Trial Outcomes & Findings for A Phase 3 Study to Evaluate the Efficacy and Safety of TNX-102 SL Taken Daily in Patients With Fibromyalgia (NCT NCT05273749)

NCT ID: NCT05273749

Last Updated: 2025-01-22

Results Overview

Change from Baseline to the Week 14 endpoint in the diary Numerical Rating Scale (NRS) weekly average of daily self-reported average pain severity scores. Scores range from 0 to 10 where a higher score means worse outcome.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

457 participants

Primary outcome timeframe

Baseline (Day -7 to Day -1), Week 14

Results posted on

2025-01-22

Participant Flow

Participant milestones

Participant milestones
Measure
TNX-102 SL Tablet, 5.6 mg
1 x TNX-102 SL 2.8 mg Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x TNX-102 SL 2.8 mg (5.6 mg) Tablet taken sublingually each day at bedtime for 12 weeks. TNX-102 SL tablet: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
1 x Placebo Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x Placebo Tablet taken sublingually each day at bedtime for 12 weeks. Placebo SL Tablet: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Overall Study
STARTED
231
226
Overall Study
COMPLETED
187
179
Overall Study
NOT COMPLETED
44
47

Reasons for withdrawal

Reasons for withdrawal
Measure
TNX-102 SL Tablet, 5.6 mg
1 x TNX-102 SL 2.8 mg Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x TNX-102 SL 2.8 mg (5.6 mg) Tablet taken sublingually each day at bedtime for 12 weeks. TNX-102 SL tablet: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
1 x Placebo Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x Placebo Tablet taken sublingually each day at bedtime for 12 weeks. Placebo SL Tablet: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Overall Study
Adverse Event
14
8
Overall Study
Lack of Efficacy
2
8
Overall Study
Physician Decision
0
2
Overall Study
Withdrawal by Subject
14
16
Overall Study
Lost to Follow-up
10
10
Overall Study
Pregnancy
1
0
Overall Study
Non-Compliance
3
2
Overall Study
Patient should not have been randomized due to ongoing unstable medical condition
0
1

Baseline Characteristics

A Phase 3 Study to Evaluate the Efficacy and Safety of TNX-102 SL Taken Daily in Patients With Fibromyalgia

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
TNX-102 SL Tablet, 5.6 mg
n=231 Participants
1 x TNX-102 SL 2.8 mg Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x TNX-102 SL 2.8 mg (5.6 mg) Tablet taken sublingually each day at bedtime for 12 weeks. TNX-102 SL: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=226 Participants
1 x Placebo Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x Placebo Tablet taken sublingually each day at bedtime for 12 weeks. Placebo SL Tablet: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Total
n=457 Participants
Total of all reporting groups
Age, Continuous
49.3 years
STANDARD_DEVIATION 10.45 • n=99 Participants
49.5 years
STANDARD_DEVIATION 11.2 • n=107 Participants
49.4 years
STANDARD_DEVIATION 10.88 • n=206 Participants
Sex: Female, Male
Female
224 Participants
n=99 Participants
212 Participants
n=107 Participants
436 Participants
n=206 Participants
Sex: Female, Male
Male
7 Participants
n=99 Participants
14 Participants
n=107 Participants
21 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
36 Participants
n=99 Participants
35 Participants
n=107 Participants
71 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
195 Participants
n=99 Participants
190 Participants
n=107 Participants
385 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
1 Participants
n=107 Participants
1 Participants
n=206 Participants
Race (NIH/OMB)
American Indian or Alaska Native
2 Participants
n=99 Participants
1 Participants
n=107 Participants
3 Participants
n=206 Participants
Race (NIH/OMB)
Asian
1 Participants
n=99 Participants
5 Participants
n=107 Participants
6 Participants
n=206 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Black or African American
32 Participants
n=99 Participants
27 Participants
n=107 Participants
59 Participants
n=206 Participants
Race (NIH/OMB)
White
194 Participants
n=99 Participants
192 Participants
n=107 Participants
386 Participants
n=206 Participants
Race (NIH/OMB)
More than one race
2 Participants
n=99 Participants
1 Participants
n=107 Participants
3 Participants
n=206 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants

PRIMARY outcome

Timeframe: Baseline (Day -7 to Day -1), Week 14

Population: Intention-To-Treat (ITT) population: all patients who were randomized. This is the primary population for efficacy analyses, and patients will be analyzed based on their randomized treatment.

Change from Baseline to the Week 14 endpoint in the diary Numerical Rating Scale (NRS) weekly average of daily self-reported average pain severity scores. Scores range from 0 to 10 where a higher score means worse outcome.

Outcome measures

Outcome measures
Measure
TNX-102 SL Tablet, 5.6 mg
n=231 Participants
1 x TNX-102 SL 2.8 mg Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x TNX-102 SL 2.8 mg (5.6 mg) Tablet taken sublingually each day at bedtime for 12 weeks. TNX-102 SL: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=225 Participants
1 x Placebo Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x Placebo Tablet taken sublingually each day at bedtime for 12 weeks. Placebo SL Tablet: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Change From Baseline to the Week 14 Endpoint in the Diary NRS Weekly Average of Daily Self Reported Average Pain Severity Scores.
-1.8 score on a scale
Interval -2.0 to -1.6
-1.2 score on a scale
Interval -1.4 to -0.9

SECONDARY outcome

Timeframe: Week 14

Population: Intention-To-Treat (ITT) population: all patients who were randomized. This is the primary population for efficacy analyses, and patients will be analyzed based on their randomized treatment.

The PGIC is a fibromyalgia specific validated instrument on a scale of 1 to 7, where a score of 1 indicates the highest level of improvement and a score of 7 indicates a much worse outcome.

Outcome measures

Outcome measures
Measure
TNX-102 SL Tablet, 5.6 mg
n=231 Participants
1 x TNX-102 SL 2.8 mg Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x TNX-102 SL 2.8 mg (5.6 mg) Tablet taken sublingually each day at bedtime for 12 weeks. TNX-102 SL: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=225 Participants
1 x Placebo Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x Placebo Tablet taken sublingually each day at bedtime for 12 weeks. Placebo SL Tablet: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Proportion of Patients With a Patient's Global Impression of Change (PGIC) Rating of "Very Much Improved" or "Much Improved" at the Week 14 Endpoint
66 Participants
34 Participants

SECONDARY outcome

Timeframe: Day 1, Week 14

Population: Intention-To-Treat (ITT) population: all patients who were randomized. This is the primary population for efficacy analyses, and patients will be analyzed based on their randomized treatment.

Change from Baseline in the FIQ-R Symptoms domain score at the Week 14 endpoint. Scores on the symptoms domain range from 0 to 90 where a higher score means worse outcome.

Outcome measures

Outcome measures
Measure
TNX-102 SL Tablet, 5.6 mg
n=231 Participants
1 x TNX-102 SL 2.8 mg Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x TNX-102 SL 2.8 mg (5.6 mg) Tablet taken sublingually each day at bedtime for 12 weeks. TNX-102 SL: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=225 Participants
1 x Placebo Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x Placebo Tablet taken sublingually each day at bedtime for 12 weeks. Placebo SL Tablet: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Change From Baseline in the Fibromyalgia Impact Questionnaire - Revised (FIQ-R) Symptoms Domain Score at the Week 14 Endpoint
-16.0 score on a scale
Interval -18.3 to -13.7
-8.4 score on a scale
Interval -10.7 to -6.1

SECONDARY outcome

Timeframe: Day 1, Week 14

Population: Intention-To-Treat (ITT) population: all patients who were randomized. This is the primary population for efficacy analyses, and patients will be analyzed based on their randomized treatment.

The FIQ-R is a validated questionnaire. Scores on the function domain range from 0 to 90 where a higher score means worse outcome.

Outcome measures

Outcome measures
Measure
TNX-102 SL Tablet, 5.6 mg
n=231 Participants
1 x TNX-102 SL 2.8 mg Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x TNX-102 SL 2.8 mg (5.6 mg) Tablet taken sublingually each day at bedtime for 12 weeks. TNX-102 SL: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=225 Participants
1 x Placebo Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x Placebo Tablet taken sublingually each day at bedtime for 12 weeks. Placebo SL Tablet: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Change From Baseline in the FIQ-R Function Domain Score at the Week 14 Endpoint
-12.2 score on a scale
Interval -14.5 to -9.9
-6.8 score on a scale
Interval -9.2 to -4.4

SECONDARY outcome

Timeframe: Day 1, Week 14

Population: Intention-To-Treat (ITT) population: all patients who were randomized. This is the primary population for efficacy analyses, and patients will be analyzed based on their randomized treatment.

The PROMIS Sleep disturbance short form 8a consists of 8 questions on a 5-point scale (1 to 5) where a higher score indicates a worse outcome. The total score is reported on a range of 8 to 40. Raw scores are converted to T-scores based on US population with score of 50 as average with a standard deviation of 10.

Outcome measures

Outcome measures
Measure
TNX-102 SL Tablet, 5.6 mg
n=231 Participants
1 x TNX-102 SL 2.8 mg Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x TNX-102 SL 2.8 mg (5.6 mg) Tablet taken sublingually each day at bedtime for 12 weeks. TNX-102 SL: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=225 Participants
1 x Placebo Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x Placebo Tablet taken sublingually each day at bedtime for 12 weeks. Placebo SL Tablet: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Change From Baseline in the Patient Reported Outcomes Measurement Information System (PROMIS) Score for Sleep Disturbance at the Week 14 Endpoint
-8.4 T-score
Interval -9.6 to -7.3
-4.2 T-score
Interval -5.3 to -3.1

SECONDARY outcome

Timeframe: Day 1, Week 14

Population: Intention-To-Treat (ITT) population: all patients who were randomized. This is the primary population for efficacy analyses, and patients will be analyzed based on their randomized treatment.

The PROMIS fatigue short form 8a consists of 8 questions on a 5 point scale (1 to 5) where a higher score indicates a worse outcome. The total score is reported on a range of 8 to 40. Raw scores are converted to T-scores based on US population with score of 50 as average with a standard deviation of 10.

Outcome measures

Outcome measures
Measure
TNX-102 SL Tablet, 5.6 mg
n=231 Participants
1 x TNX-102 SL 2.8 mg Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x TNX-102 SL 2.8 mg (5.6 mg) Tablet taken sublingually each day at bedtime for 12 weeks. TNX-102 SL: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=225 Participants
1 x Placebo Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x Placebo Tablet taken sublingually each day at bedtime for 12 weeks. Placebo SL Tablet: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Change From Baseline in the PROMIS Score for Fatigue at the Week 14 Endpoint
-7.2 T-score
Interval -8.3 to -6.1
-4.2 T-score
Interval -5.3 to -3.1

SECONDARY outcome

Timeframe: Baseline (Day -7 to Day -1), Week 14

Population: Intention-To-Treat (ITT) population: all patients who were randomized. This is the primary population for efficacy analyses, and patients will be analyzed based on their randomized treatment.

Patients provide a daily numeric assessment of their sleep quality for the previous night, via an electronic diary, using an 11-point NRS. Scores range from 0 (best possible sleep) to 10 (worst possible sleep).

Outcome measures

Outcome measures
Measure
TNX-102 SL Tablet, 5.6 mg
n=231 Participants
1 x TNX-102 SL 2.8 mg Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x TNX-102 SL 2.8 mg (5.6 mg) Tablet taken sublingually each day at bedtime for 12 weeks. TNX-102 SL: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=225 Participants
1 x Placebo Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x Placebo Tablet taken sublingually each day at bedtime for 12 weeks. Placebo SL Tablet: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Change From Baseline in the Weekly Average of the Daily Diary Assessment of Sleep Quality at the Week 14 Endpoint
-1.8 score on a scale
Interval -2.0 to -1.5
-1.2 score on a scale
Interval -1.4 to -1.0

Adverse Events

TNX-102 SL Tablet, 5.6 mg

Serious events: 2 serious events
Other events: 78 other events
Deaths: 0 deaths

Placebo SL Tablet

Serious events: 3 serious events
Other events: 4 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
TNX-102 SL Tablet, 5.6 mg
n=231 participants at risk
1 x TNX-102 SL 2.8 mg Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x TNX-102 SL 2.8 mg (5.6 mg) Tablet taken sublingually each day at bedtime for 12 weeks. TNX-102 SL: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=226 participants at risk
1 x Placebo Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x Placebo Tablet taken sublingually each day at bedtime for 12 weeks. Placebo SL Tablet: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Gastrointestinal disorders
Pancreatitis acute
0.43%
1/231 • 14 Weeks
0.00%
0/226 • 14 Weeks
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Renal Cancer
0.43%
1/231 • 14 Weeks
0.00%
0/226 • 14 Weeks
Cardiac disorders
Angina pectoris
0.00%
0/231 • 14 Weeks
0.44%
1/226 • 14 Weeks
Infections and infestations
Pneumonia
0.00%
0/231 • 14 Weeks
0.44%
1/226 • 14 Weeks
Musculoskeletal and connective tissue disorders
Muscular weakness
0.00%
0/231 • 14 Weeks
0.44%
1/226 • 14 Weeks
Vascular disorders
Hypertension
0.00%
0/231 • 14 Weeks
0.44%
1/226 • 14 Weeks
Cardiac disorders
Coronary artery disease
0.00%
0/231 • 14 Weeks
0.44%
1/226 • 14 Weeks

Other adverse events

Other adverse events
Measure
TNX-102 SL Tablet, 5.6 mg
n=231 participants at risk
1 x TNX-102 SL 2.8 mg Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x TNX-102 SL 2.8 mg (5.6 mg) Tablet taken sublingually each day at bedtime for 12 weeks. TNX-102 SL: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=226 participants at risk
1 x Placebo Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x Placebo Tablet taken sublingually each day at bedtime for 12 weeks. Placebo SL Tablet: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks.
Gastrointestinal disorders
Hypoaesthesia oral
23.8%
55/231 • 14 Weeks
0.44%
1/226 • 14 Weeks
Gastrointestinal disorders
Paraesthesia oral
6.9%
16/231 • 14 Weeks
0.88%
2/226 • 14 Weeks
Gastrointestinal disorders
Tongue discomfort
6.9%
16/231 • 14 Weeks
0.00%
0/226 • 14 Weeks
Product Issues
Product taste abnormal
11.7%
27/231 • 14 Weeks
0.88%
2/226 • 14 Weeks

Additional Information

Gregory Sullivan, MD

Tonix Pharmaceuticals

Phone: 8629040355

Results disclosure agreements

  • Principal investigator is a sponsor employee An industry standard NDA is in place with all study investigators.
  • Publication restrictions are in place

Restriction type: OTHER