Trial Outcomes & Findings for Discontinuation of Levothyroxine Therapy for Patients With Subclinical Hypothyroidism (NCT NCT04288115)

NCT ID: NCT04288115

Last Updated: 2023-11-18

Results Overview

Percent of eligible participants approached who consented to participate during the recruitment phase.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

52 participants

Primary outcome timeframe

The time from first consent signed to last consent signed. March 2021 to April 2022.

Results posted on

2023-11-18

Participant Flow

Participants were recruited based on opt-in/opt-out letter at 1 VA medical center between March 2021 and April 2022. The first participant was enrolled on March 24, 2021 and the last participant was enrolled in April 2022.

Of 52 enrolled participants, 50 were randomized to treatment.

Participant milestones

Participant milestones
Measure
Levothyroxine Group ("Sham Discontinuation")
Continue the current dose of levothyroxine. The brand of levothyroxine to be used in this study will be Synthroid tablets of 25 mcg, 50 mcg, and 75 mcg (AbbVie Inc). Levothyroxine: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Placebo Group ("Real Discontinuation")
Stop the current dose of levothyroxine and take study placebo Placebo: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Overall Study
STARTED
24
26
Overall Study
COMPLETED
21
23
Overall Study
NOT COMPLETED
3
3

Reasons for withdrawal

Reasons for withdrawal
Measure
Levothyroxine Group ("Sham Discontinuation")
Continue the current dose of levothyroxine. The brand of levothyroxine to be used in this study will be Synthroid tablets of 25 mcg, 50 mcg, and 75 mcg (AbbVie Inc). Levothyroxine: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Placebo Group ("Real Discontinuation")
Stop the current dose of levothyroxine and take study placebo Placebo: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Overall Study
Withdrawal by Subject
0
1
Overall Study
Pre-study SCH diagnosis could not be confirmed per study entry criteria
3
2

Baseline Characteristics

Discontinuation of Levothyroxine Therapy for Patients With Subclinical Hypothyroidism

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Levothyroxine Group ("Sham Discontinuation")
n=21 Participants
Continue the current dose of levothyroxine. The brand of levothyroxine to be used in this study will be Synthroid tablets of 25 mcg, 50 mcg, and 75 mcg (AbbVie Inc). Levothyroxine: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Placebo Group ("Real Discontinuation")
n=24 Participants
Stop the current dose of levothyroxine and take study placebo Placebo: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Total
n=45 Participants
Total of all reporting groups
Age, Continuous
71.0 years
STANDARD_DEVIATION 7.9 • n=39 Participants
65.7 years
STANDARD_DEVIATION 10.6 • n=41 Participants
68.2 years
STANDARD_DEVIATION 9.7 • n=35 Participants
Sex: Female, Male
Female
3 Participants
n=39 Participants
6 Participants
n=41 Participants
9 Participants
n=35 Participants
Sex: Female, Male
Male
18 Participants
n=39 Participants
18 Participants
n=41 Participants
36 Participants
n=35 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=39 Participants
1 Participants
n=41 Participants
1 Participants
n=35 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
21 Participants
n=39 Participants
23 Participants
n=41 Participants
44 Participants
n=35 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=39 Participants
1 Participants
n=41 Participants
1 Participants
n=35 Participants
Race (NIH/OMB)
Asian
1 Participants
n=39 Participants
0 Participants
n=41 Participants
1 Participants
n=35 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
Race (NIH/OMB)
Black or African American
2 Participants
n=39 Participants
2 Participants
n=41 Participants
4 Participants
n=35 Participants
Race (NIH/OMB)
White
18 Participants
n=39 Participants
21 Participants
n=41 Participants
39 Participants
n=35 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
Region of Enrollment
United States
21 Participants
n=39 Participants
24 Participants
n=41 Participants
45 Participants
n=35 Participants
Weight
220.4 pounds
STANDARD_DEVIATION 58.4 • n=39 Participants
201.0 pounds
STANDARD_DEVIATION 61.5 • n=41 Participants
210.1 pounds
STANDARD_DEVIATION 60.2 • n=35 Participants
Body mass index
32.5 kg/m^2
STANDARD_DEVIATION 7.7 • n=39 Participants
29.7 kg/m^2
STANDARD_DEVIATION 7.8 • n=41 Participants
31.0 kg/m^2
STANDARD_DEVIATION 7.8 • n=35 Participants
Systolic Blood Pressure (SBP)
141.1 mm Hg
STANDARD_DEVIATION 19.7 • n=39 Participants
137.5 mm Hg
STANDARD_DEVIATION 16.8 • n=41 Participants
139.2 mm Hg
STANDARD_DEVIATION 18.1 • n=35 Participants
Diastolic Blood Pressure (DBP)
80.1 mm Hg
STANDARD_DEVIATION 8.7 • n=39 Participants
80.2 mm Hg
STANDARD_DEVIATION 11.7 • n=41 Participants
80.1 mm Hg
STANDARD_DEVIATION 10.3 • n=35 Participants
Pulse
68.3 beats/min
STANDARD_DEVIATION 15.7 • n=39 Participants
66.8 beats/min
STANDARD_DEVIATION 9.4 • n=41 Participants
67.5 beats/min
STANDARD_DEVIATION 12.6 • n=35 Participants
Total Cholesterol
148.1 mg/dL
STANDARD_DEVIATION 41.9 • n=39 Participants
179.8 mg/dL
STANDARD_DEVIATION 31.3 • n=41 Participants
165.0 mg/dL
STANDARD_DEVIATION 39.6 • n=35 Participants
LDL
77.5 mg/dL
STANDARD_DEVIATION 34.5 • n=39 Participants
104.2 mg/dL
STANDARD_DEVIATION 28.4 • n=41 Participants
91.7 mg/dL
STANDARD_DEVIATION 33.9 • n=35 Participants
HDL
42.4 mg/dL
STANDARD_DEVIATION 11.5 • n=39 Participants
53.3 mg/dL
STANDARD_DEVIATION 19.8 • n=41 Participants
48.2 mg/dL
STANDARD_DEVIATION 17.2 • n=35 Participants
Triglycerides
141.5 mg/dL
STANDARD_DEVIATION 68.0 • n=39 Participants
111.4 mg/dL
STANDARD_DEVIATION 48.0 • n=41 Participants
125.4 mg/dL
STANDARD_DEVIATION 59.5 • n=35 Participants
Levothyroxine (LT4) dose prior to enrollment, 25mcg
7 Participants
n=39 Participants
7 Participants
n=41 Participants
14 Participants
n=35 Participants
LT4 dose prior to enrollment, 50mcg
10 Participants
n=39 Participants
13 Participants
n=41 Participants
23 Participants
n=35 Participants
LT4 dose prior to enrollment, 75mcg
4 Participants
n=39 Participants
4 Participants
n=41 Participants
8 Participants
n=35 Participants
LT4 duration, < 2 yrs
6 Participants
n=39 Participants
6 Participants
n=41 Participants
12 Participants
n=35 Participants
LT4 duration, 2 to 7 yrs
10 Participants
n=39 Participants
12 Participants
n=41 Participants
22 Participants
n=35 Participants
LT4 duration, > 7 yrs
5 Participants
n=39 Participants
6 Participants
n=41 Participants
11 Participants
n=35 Participants
thyroid-stimulating hormone (TSH)
3.19 mIU/L
STANDARD_DEVIATION 1.42 • n=39 Participants
3.08 mIU/L
STANDARD_DEVIATION 0.99 • n=41 Participants
3.1 mIU/L
STANDARD_DEVIATION 1.2 • n=35 Participants
free thyroxine (FT4)
0.9 ng/dL
STANDARD_DEVIATION 0.1 • n=39 Participants
0.9 ng/dL
STANDARD_DEVIATION 0.1 • n=41 Participants
0.9 ng/dL
STANDARD_DEVIATION 0.1 • n=35 Participants
thyroid peroxidase (TPO) positivity
4 Participants
n=39 Participants
4 Participants
n=41 Participants
8 Participants
n=35 Participants
Hypothyroid Symptoms score
21.1 scores on scale
STANDARD_DEVIATION 18.4 • n=39 Participants
27.1 scores on scale
STANDARD_DEVIATION 20.4 • n=41 Participants
24.3 scores on scale
STANDARD_DEVIATION 19.5 • n=35 Participants
Tiredness score
31.1 scores on scale
STANDARD_DEVIATION 23.9 • n=39 Participants
33.2 scores on scale
STANDARD_DEVIATION 23.7 • n=41 Participants
32.2 scores on scale
STANDARD_DEVIATION 23.5 • n=35 Participants
ThyPRO-39 score
20.5 scores on scale
STANDARD_DEVIATION 14.8 • n=39 Participants
18.4 scores on scale
STANDARD_DEVIATION 11.2 • n=41 Participants
19.4 scores on scale
STANDARD_DEVIATION 12.9 • n=35 Participants
EQ-5D Descriptive score
0.758 scores on scale
STANDARD_DEVIATION 0.193 • n=39 Participants
0.746 scores on scale
STANDARD_DEVIATION 0.229 • n=41 Participants
0.752 scores on scale
STANDARD_DEVIATION 0.210 • n=35 Participants
EQ-5D VAS score
72.0 scores on scale
STANDARD_DEVIATION 15.0 • n=39 Participants
77.3 scores on scale
STANDARD_DEVIATION 14.4 • n=41 Participants
74.8 scores on scale
STANDARD_DEVIATION 14.7 • n=35 Participants

PRIMARY outcome

Timeframe: The time from first consent signed to last consent signed. March 2021 to April 2022.

Population: The number of patients consented divided by the total number of eligible patients contacted.

Percent of eligible participants approached who consented to participate during the recruitment phase.

Outcome measures

Outcome measures
Measure
Percentage of Eligible Patients Willing to Participate.
n=162 Participants
The percentage of eligible patients that were willing to participate and were enrolled (signed consent) from the total number of patients contacted.
Placebo Group ("Real Discontinuation")
Stop the current dose of levothyroxine and take study placebo Placebo: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Participants' Willingness to Enter the Trial
52 Participants

PRIMARY outcome

Timeframe: The time from first consent signed to last consent signed. March 2021 to April 2022. 13 months.

Population: The number of participants enrolled divided by the length of recruitment period (13 months).

The number of enrolled (consented) participants divided by the length of the recruitment period.

Outcome measures

Outcome measures
Measure
Percentage of Eligible Patients Willing to Participate.
n=52 Participants
The percentage of eligible patients that were willing to participate and were enrolled (signed consent) from the total number of patients contacted.
Placebo Group ("Real Discontinuation")
Stop the current dose of levothyroxine and take study placebo Placebo: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Recruitment Rate
4 participants per month

PRIMARY outcome

Timeframe: 6 months

Population: Number of randomized participants that completed the trial divided by the total number of randomized participants.

Percentage of randomized participants who completed the trial.

Outcome measures

Outcome measures
Measure
Percentage of Eligible Patients Willing to Participate.
n=45 Participants
The percentage of eligible patients that were willing to participate and were enrolled (signed consent) from the total number of patients contacted.
Placebo Group ("Real Discontinuation")
Stop the current dose of levothyroxine and take study placebo Placebo: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Completion Rate
44 Participants

SECONDARY outcome

Timeframe: Baseline, 6 weeks and 6 months

Population: All randomized participants who completed 6 months follow-up visit. An intent-to-treat strategy was employed where participants were analyzed in the group to which they were randomized, regardless of protocol deviations.

The Hypothyroid Symptoms score from the Thyroid-Related Quality of Life Patient-Reported Outcome (ThyPRO) questionnaire is assessed on a scale from 0 to 100, with higher scores indicating more symptoms.

Outcome measures

Outcome measures
Measure
Percentage of Eligible Patients Willing to Participate.
n=21 Participants
The percentage of eligible patients that were willing to participate and were enrolled (signed consent) from the total number of patients contacted.
Placebo Group ("Real Discontinuation")
n=23 Participants
Stop the current dose of levothyroxine and take study placebo Placebo: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Thyroid-specific Quality of Life Patient-Reported Outcome (ThyPRO) - Hypothyroid Symptoms Score
Baseline
21.1 score on a scale
Standard Deviation 18.4
27.1 score on a scale
Standard Deviation 20.4
Thyroid-specific Quality of Life Patient-Reported Outcome (ThyPRO) - Hypothyroid Symptoms Score
6 weeks
22.0 score on a scale
Standard Deviation 17.7
25.3 score on a scale
Standard Deviation 21.9
Thyroid-specific Quality of Life Patient-Reported Outcome (ThyPRO) - Hypothyroid Symptoms Score
6 months
22.9 score on a scale
Standard Deviation 19.5
28.3 score on a scale
Standard Deviation 22.8

SECONDARY outcome

Timeframe: Baseline, 6 weeks and 6 months

Population: All randomized participants who completed 6 months follow-up visit. An intent-to-treat strategy was employed where participants were analyzed in the group to which they were randomized, regardless of protocol deviations.

The Tiredness score from the Thyroid-Related Quality of Life Patient-Reported Outcome (ThyPRO) questionnaire is assessed on a scale from 0 to 100, with higher scores indicating more tiredness.

Outcome measures

Outcome measures
Measure
Percentage of Eligible Patients Willing to Participate.
n=21 Participants
The percentage of eligible patients that were willing to participate and were enrolled (signed consent) from the total number of patients contacted.
Placebo Group ("Real Discontinuation")
n=23 Participants
Stop the current dose of levothyroxine and take study placebo Placebo: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Thyroid-specific Quality of Life Patient-Reported Outcome (ThyPRO) - Tiredness Score
Baseline
31.1 score on a scale
Standard Deviation 23.9
33.2 score on a scale
Standard Deviation 23.7
Thyroid-specific Quality of Life Patient-Reported Outcome (ThyPRO) - Tiredness Score
6 weeks
33.0 score on a scale
Standard Deviation 23.6
31.1 score on a scale
Standard Deviation 24.3
Thyroid-specific Quality of Life Patient-Reported Outcome (ThyPRO) - Tiredness Score
6 months
32.8 score on a scale
Standard Deviation 22.1
27.6 score on a scale
Standard Deviation 22.8

SECONDARY outcome

Timeframe: 6 weeks and 6 months

Population: All randomized participants who completed 6 months follow-up visit. An intent-to-treat strategy was employed where participants were analyzed into the group they were randomized, regardless of protocol deviations.

The EuroQoL \[EQ\] Group 5-Dimension Self-Report Questionnaire (EQ-5D) scores include the EQ-5D descriptive index, on a scale from -0.59 to 1.00. Higher scores indicate better quality of life. The EQ-5D scores include the score on the EQ visual-analogue scale (EQ-5D VAS), on a scale from 0 to 100. Higher scores indicate better quality of life.

Outcome measures

Outcome measures
Measure
Percentage of Eligible Patients Willing to Participate.
n=21 Participants
The percentage of eligible patients that were willing to participate and were enrolled (signed consent) from the total number of patients contacted.
Placebo Group ("Real Discontinuation")
n=23 Participants
Stop the current dose of levothyroxine and take study placebo Placebo: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Euro Quality of Life 5-Dimension Self-Report Questionnaire (EQ-5D) Score at Week 6 and Month 6
EQ-5D Descriptive Score 6 weeks
0.759 score on a scale
Standard Deviation 0.190
0.786 score on a scale
Standard Deviation 0.214
Euro Quality of Life 5-Dimension Self-Report Questionnaire (EQ-5D) Score at Week 6 and Month 6
EQ-5D Descriptive Score 6 months
0.742 score on a scale
Standard Deviation 0.180
0.750 score on a scale
Standard Deviation 0.232
Euro Quality of Life 5-Dimension Self-Report Questionnaire (EQ-5D) Score at Week 6 and Month 6
EQ-5D VAS 6 weeks
78.0 score on a scale
Standard Deviation 13.8
77.2 score on a scale
Standard Deviation 19.6
Euro Quality of Life 5-Dimension Self-Report Questionnaire (EQ-5D) Score at Week 6 and Month 6
EQ-5D VAS 6 months
68.4 score on a scale
Standard Deviation 21.2
79.9 score on a scale
Standard Deviation 12.9

SECONDARY outcome

Timeframe: 6 months

Population: All participants who completed 6-8 weeks and 6 months follow-up visit.

Differences in mean 6-month lipid levels after adjusting for gender and baseline lipid level.

Outcome measures

Outcome measures
Measure
Percentage of Eligible Patients Willing to Participate.
n=21 Participants
The percentage of eligible patients that were willing to participate and were enrolled (signed consent) from the total number of patients contacted.
Placebo Group ("Real Discontinuation")
n=23 Participants
Stop the current dose of levothyroxine and take study placebo Placebo: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Lipid Levels
Total cholesterol 6 months
145.3 mg/dL
Standard Deviation 32.6
177.4 mg/dL
Standard Deviation 39.6
Lipid Levels
LDL 6 months
76.5 mg/dL
Standard Deviation 28.6
100.2 mg/dL
Standard Deviation 32.3
Lipid Levels
HDL 6 months
42.7 mg/dL
Standard Deviation 16.5
51.5 mg/dL
Standard Deviation 16.2
Lipid Levels
Triglycerides 6 months
137.5 mg/dL
Standard Deviation 66.8
139.7 mg/dL
Standard Deviation 68.4

Adverse Events

Levothyroxine Group ("Sham Discontinuation")

Serious events: 3 serious events
Other events: 9 other events
Deaths: 0 deaths

Placebo Group ("Real Discontinuation")

Serious events: 1 serious events
Other events: 15 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Levothyroxine Group ("Sham Discontinuation")
n=21 participants at risk
Continue the current dose of levothyroxine. The brand of levothyroxine to be used in this study will be Synthroid tablets of 25 mcg, 50 mcg, and 75 mcg (AbbVie Inc). Levothyroxine: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Placebo Group ("Real Discontinuation")
n=23 participants at risk
Stop the current dose of levothyroxine and take study placebo Placebo: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Skin and subcutaneous tissue disorders
Gangrene of toe
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Cardiac disorders
catheter ablation of arrhythmogenic focus
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Surgical and medical procedures
revision posterior decompression cervical cord and fusion
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Surgical and medical procedures
transurethral prostatectomy
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
metastatic adenocarcinoma
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Surgical and medical procedures
fluoroscopy guided percutaneous insertion of drug eluting stent into coronary artery with contrast
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.

Other adverse events

Other adverse events
Measure
Levothyroxine Group ("Sham Discontinuation")
n=21 participants at risk
Continue the current dose of levothyroxine. The brand of levothyroxine to be used in this study will be Synthroid tablets of 25 mcg, 50 mcg, and 75 mcg (AbbVie Inc). Levothyroxine: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Placebo Group ("Real Discontinuation")
n=23 participants at risk
Stop the current dose of levothyroxine and take study placebo Placebo: Participants will be instructed to start the study medication the day after randomization. The study medication will be taken orally once a day.
Surgical and medical procedures
dental restoration
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Nervous system disorders
dizziness
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
13.0%
3/23 • Number of events 3 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Eye disorders
dry eye
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
General disorders
fatigue
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
8.7%
2/23 • Number of events 3 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Cardiac disorders
fluttering heart
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Injury, poisoning and procedural complications
fracture of phalanx of foot
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Nervous system disorders
headache
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 2 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Surgical and medical procedures
hernia repair
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Vascular disorders
feels hot
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Vascular disorders
menopausal flushing
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Vascular disorders
hypertensive disorder
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Infections and infestations
bronchitis
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Musculoskeletal and connective tissue disorders
injection of knee
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Injury, poisoning and procedural complications
injury of lower leg
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Eye disorders
intravitreal injection of anti-vascular endothelial growth factor
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Renal and urinary disorders
kidney stone
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Respiratory, thoracic and mediastinal disorders
labored breathing
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Vascular disorders
low blood pressure
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Gastrointestinal disorders
nausea
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
carcinoma of prostate
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Nervous system disorders
numbness of hand
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 2 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Infections and infestations
open wound of buttock
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Infections and infestations
open wound of hip region
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Injury, poisoning and procedural complications
injury of elbow
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Injury, poisoning and procedural complications
pain in coccyx
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Nervous system disorders
paresthesia of upper limb
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Skin and subcutaneous tissue disorders
removal of sebaceous cyst
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Cardiac disorders
restenosis
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Skin and subcutaneous tissue disorders
scalp itchy
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Injury, poisoning and procedural complications
shoulder pain
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Surgical and medical procedures
simple extraction of tooth
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Nervous system disorders
spasm
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Gastrointestinal disorders
vomiting
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
General disorders
lightheadedness
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Musculoskeletal and connective tissue disorders
multiple joint pain
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Injury, poisoning and procedural complications
fall on ice
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Injury, poisoning and procedural complications
fractured dental restoration
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Surgical and medical procedures
fixed prosthodontic procedure
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Gastrointestinal disorders
polyp of sigmoid colon
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Gastrointestinal disorders
polyp of transverse colon
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Injury, poisoning and procedural complications
fracture of rib
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Cardiac disorders
angina pectoris
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Gastrointestinal disorders
diarrhea
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
0.00%
0/23 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Injury, poisoning and procedural complications
fall
4.8%
1/21 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
8.7%
2/23 • Number of events 2 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Cardiac disorders
cardiac pacemaker replaced
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Infections and infestations
cellulitis
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Infections and infestations
COVID-19
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
8.7%
2/23 • Number of events 2 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Skin and subcutaneous tissue disorders
cut of foot
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Skin and subcutaneous tissue disorders
cut of hand
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
Metabolism and nutrition disorders
dehydration
0.00%
0/21 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.
4.3%
1/23 • Number of events 1 • 6 months
Of the 50 randomized participants, 24 were assigned to the LT4 group and 26 were assigned to the placebo group. There were 5 post-randomization exclusions, resulting in 21 participants in the LT4 group and 24 participants in the placebo group. One participant in the placebo group was discontinued (participant choice) prior to Week 6. This resulted in 21 participants in the LT4 group and 23 participants in the placebo group for the final analysis cohort.

Additional Information

Spyridoula Maraka, MD, MS

Central Arkansas Veterans Healthcare System

Phone: (501) 257-5848

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place