Trial Outcomes & Findings for Study to Evaluate Serum Free Thyroxine (FT4) and Free Triiodothyronine (FT3) Measurements for Subjects Treated With Eslicarbazeine Acetate (ESL) (NCT NCT02491073)

NCT ID: NCT02491073

Last Updated: 2018-02-07

Results Overview

Recruitment status

COMPLETED

Target enrollment

71 participants

Primary outcome timeframe

1 day

Results posted on

2018-02-07

Participant Flow

Participant milestones

Participant milestones
Measure
Eslicarbazepine Acetate Exposed Subjects
Adult male and female subjects (greater than or equal to 18 years)who had received at least 1200 mg QD eslicarbazapine acetate (ESL) for at least 6 weeks and had not experienced any rash or other allergic reaction at the time of the blood draw
Healthy Volunteers
Adult male and female healthy volunteer (greater than or equal to 18 years) not exposed to ESL at the time of blood draw
Overall Study
STARTED
37
34
Overall Study
COMPLETED
36
34
Overall Study
NOT COMPLETED
1
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Eslicarbazepine Acetate Exposed Subjects
Adult male and female subjects (greater than or equal to 18 years)who had received at least 1200 mg QD eslicarbazapine acetate (ESL) for at least 6 weeks and had not experienced any rash or other allergic reaction at the time of the blood draw
Healthy Volunteers
Adult male and female healthy volunteer (greater than or equal to 18 years) not exposed to ESL at the time of blood draw
Overall Study
screen failure
1
0

Baseline Characteristics

Study to Evaluate Serum Free Thyroxine (FT4) and Free Triiodothyronine (FT3) Measurements for Subjects Treated With Eslicarbazeine Acetate (ESL)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Eslicarbazepine Acetate Treated
n=31 Participants
blood draw: Investigate the possibility of assay artifacts impacting the measurement of thyroid hormones, in particular FT4 and FT3, in ESL treated subjects compared to non-ESL-treated subjects.
Non-Eslicarbazepine Acetate Treated
n=31 Participants
blood draw: Investigate the possibility of assay artifacts impacting the measurement of thyroid hormones, in particular FT4 and FT3, in ESL treated subjects compared to non-ESL-treated subjects.
Total
n=62 Participants
Total of all reporting groups
Age, Categorical
<=18 years
1 Participants
n=39 Participants
0 Participants
n=41 Participants
1 Participants
n=35 Participants
Age, Categorical
Between 18 and 65 years
28 Participants
n=39 Participants
28 Participants
n=41 Participants
56 Participants
n=35 Participants
Age, Categorical
>=65 years
2 Participants
n=39 Participants
3 Participants
n=41 Participants
5 Participants
n=35 Participants
Age, Continuous
41.8 years
STANDARD_DEVIATION 14.95 • n=39 Participants
41.7 years
STANDARD_DEVIATION 14.64 • n=41 Participants
41.8 years
STANDARD_DEVIATION 14.68 • n=35 Participants
Age, Customized
<18 years of age
0 participants
n=39 Participants
0 participants
n=41 Participants
0 participants
n=35 Participants
Age, Customized
18-39 Years
16 participants
n=39 Participants
16 participants
n=41 Participants
32 participants
n=35 Participants
Age, Customized
40-65 Years
13 participants
n=39 Participants
13 participants
n=41 Participants
26 participants
n=35 Participants
Age, Customized
>65 Years
2 participants
n=39 Participants
2 participants
n=41 Participants
4 participants
n=35 Participants
Sex: Female, Male
Female
16 Participants
n=39 Participants
16 Participants
n=41 Participants
32 Participants
n=35 Participants
Sex: Female, Male
Male
15 Participants
n=39 Participants
15 Participants
n=41 Participants
30 Participants
n=35 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=39 Participants
4 Participants
n=41 Participants
6 Participants
n=35 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
29 Participants
n=39 Participants
27 Participants
n=41 Participants
56 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
0 Participants
n=39 Participants
1 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
3 Participants
n=39 Participants
20 Participants
n=41 Participants
23 Participants
n=35 Participants
Race (NIH/OMB)
White
26 Participants
n=39 Participants
6 Participants
n=41 Participants
32 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
2 Participants
n=39 Participants
3 Participants
n=41 Participants
5 Participants
n=35 Participants
Region of Enrollment
United States
31 participants
n=39 Participants
31 participants
n=41 Participants
62 participants
n=35 Participants

PRIMARY outcome

Timeframe: 1 day

Population: Safety Population: The safety population consisted of all subjects who were enrolled in the study, did not test positive for serum pregnancy (female subjects of childbearing potential only) or TPO antibodies, and provided valid serum samples for evaluating the thyroid hormone assays

Outcome measures

Outcome measures
Measure
Automated Kit Assay (AK) - ESL-exposed Subjects
n=31 Participants
Free thyroid hormone level in the serum sample of ESL-exposed subjects as measured by the automated kit assay
Optimized Equilibrium Dialysis Method (ED)ESL-exposed Subjects
n=31 Participants
Free thyroid hormone level in the serum sample of ESL-exposed subjects as measured by the optimized equilibrium dialysis method
Mid-spiked Serum(MS)Healthy Volunteers
Free thyroid hormone level in the serum sample of healthy volunteers which was spiked with medium level of ESL metabolites
High-spiked Serum(HS)Healthy Volunteers
Free thyroid hormone level in the serum sample of healthy volunteers which was spiked with high level of ESL metabolites
Automated Kit Assay(AK)Med-spikedSerum(MS)Healthy Volunteers
Free thyroid hormone level as measured by the automated kit assay in the serum sample of healthy volunteers which was spiked with medium level of ESL metabolites
Optimized Equilibrium Dialysis Method(ED)(MS)Healthyvolunteer
Free thyroid hormone level as measured by the optimized equilibrium dialysis method in the serum sample of healthy volunteers which was spiked with medium level of ESL metabolites
Automated Kit Assay(AK)High-spikedSerum(HS)Healthy Volunteers
Free thyroid hormone level as measured by the automated kit assay in the serum sample of healthy volunteers which was spiked with high level of ESL metabolites
Optimized Equilibrium Dialysis Method(ED)(HS)Healthyvolunteer
Free thyroid hormone level as measured by the optimized equilibrium dialysis method in the serum sample of healthy volunteers which was spiked with high level of ESL metabolites
Comparison of Concentrations of Free Thyroid Hormones (FT4 and FT3) as Measured by ED and Automated Kit Assay Method in ESL-exposed Subjects
FT4: pmol/L
12.29 pmol/L
Geometric Coefficient of Variation 0.139
11.74 pmol/L
Geometric Coefficient of Variation 0.244
Comparison of Concentrations of Free Thyroid Hormones (FT4 and FT3) as Measured by ED and Automated Kit Assay Method in ESL-exposed Subjects
FT3: pmol/L
4.20 pmol/L
Geometric Coefficient of Variation 0.112
3.65 pmol/L
Geometric Coefficient of Variation 0.183

PRIMARY outcome

Timeframe: 1 day

Population: Safety Population: The safety population consisted of all subjects who were enrolled in the study, did not test positive for serum pregnancy (female subjects of childbearing potential only) or TPO antibodies, and provided valid serum samples for evaluating the thyroid hormone assays

Outcome measures

Outcome measures
Measure
Automated Kit Assay (AK) - ESL-exposed Subjects
n=31 Participants
Free thyroid hormone level in the serum sample of ESL-exposed subjects as measured by the automated kit assay
Optimized Equilibrium Dialysis Method (ED)ESL-exposed Subjects
n=31 Participants
Free thyroid hormone level in the serum sample of ESL-exposed subjects as measured by the optimized equilibrium dialysis method
Mid-spiked Serum(MS)Healthy Volunteers
n=31 Participants
Free thyroid hormone level in the serum sample of healthy volunteers which was spiked with medium level of ESL metabolites
High-spiked Serum(HS)Healthy Volunteers
n=31 Participants
Free thyroid hormone level in the serum sample of healthy volunteers which was spiked with high level of ESL metabolites
Automated Kit Assay(AK)Med-spikedSerum(MS)Healthy Volunteers
Free thyroid hormone level as measured by the automated kit assay in the serum sample of healthy volunteers which was spiked with medium level of ESL metabolites
Optimized Equilibrium Dialysis Method(ED)(MS)Healthyvolunteer
Free thyroid hormone level as measured by the optimized equilibrium dialysis method in the serum sample of healthy volunteers which was spiked with medium level of ESL metabolites
Automated Kit Assay(AK)High-spikedSerum(HS)Healthy Volunteers
Free thyroid hormone level as measured by the automated kit assay in the serum sample of healthy volunteers which was spiked with high level of ESL metabolites
Optimized Equilibrium Dialysis Method(ED)(HS)Healthyvolunteer
Free thyroid hormone level as measured by the optimized equilibrium dialysis method in the serum sample of healthy volunteers which was spiked with high level of ESL metabolites
Comparison of Concentrations of Free Thyroid Hormones (FT4 and FT3) as Measured by Automated Kit Assay in Non-ESL Exposed Subjects, With and Without the in Vitro Addition of Eslicarbazepine and (R)-Licarbazepine.
FT4: pmo/L
15.64 pmol/L
Geometric Coefficient of Variation 0.146
15.84 pmol/L
Geometric Coefficient of Variation 0.147
16.15 pmol/L
Geometric Coefficient of Variation 0.146
16.49 pmol/L
Geometric Coefficient of Variation 0.145
Comparison of Concentrations of Free Thyroid Hormones (FT4 and FT3) as Measured by Automated Kit Assay in Non-ESL Exposed Subjects, With and Without the in Vitro Addition of Eslicarbazepine and (R)-Licarbazepine.
FT3: pmo/L
4.92 pmol/L
Geometric Coefficient of Variation 0.125
4.95 pmol/L
Geometric Coefficient of Variation 0.128
5.00 pmol/L
Geometric Coefficient of Variation 0.133
5.06 pmol/L
Geometric Coefficient of Variation 0.122

SECONDARY outcome

Timeframe: 1 day

Population: Safety Population: The safety population consisted of all subjects who were enrolled in the study, did not test positive for serum pregnancy (female subjects of childbearing potential only) or TPO antibodies, and provided valid serum samples for evaluating the thyroid hormone assays

Outcome measures

Outcome measures
Measure
Automated Kit Assay (AK) - ESL-exposed Subjects
n=31 Participants
Free thyroid hormone level in the serum sample of ESL-exposed subjects as measured by the automated kit assay
Optimized Equilibrium Dialysis Method (ED)ESL-exposed Subjects
n=31 Participants
Free thyroid hormone level in the serum sample of ESL-exposed subjects as measured by the optimized equilibrium dialysis method
Mid-spiked Serum(MS)Healthy Volunteers
n=31 Participants
Free thyroid hormone level in the serum sample of healthy volunteers which was spiked with medium level of ESL metabolites
High-spiked Serum(HS)Healthy Volunteers
n=31 Participants
Free thyroid hormone level in the serum sample of healthy volunteers which was spiked with high level of ESL metabolites
Automated Kit Assay(AK)Med-spikedSerum(MS)Healthy Volunteers
Free thyroid hormone level as measured by the automated kit assay in the serum sample of healthy volunteers which was spiked with medium level of ESL metabolites
Optimized Equilibrium Dialysis Method(ED)(MS)Healthyvolunteer
Free thyroid hormone level as measured by the optimized equilibrium dialysis method in the serum sample of healthy volunteers which was spiked with medium level of ESL metabolites
Automated Kit Assay(AK)High-spikedSerum(HS)Healthy Volunteers
Free thyroid hormone level as measured by the automated kit assay in the serum sample of healthy volunteers which was spiked with high level of ESL metabolites
Optimized Equilibrium Dialysis Method(ED)(HS)Healthyvolunteer
Free thyroid hormone level as measured by the optimized equilibrium dialysis method in the serum sample of healthy volunteers which was spiked with high level of ESL metabolites
Comparison of Concentrations of TT4, and TT3 as Measured in Non-ESL-exposed Subject Samples, With or Without the in Vitro Addition of Eslicarbazepine and (R)-Licarbazepine.
TT4: nmo/L
94.82 nmo/L
Geometric Coefficient of Variation 0.177
95.10 nmo/L
Geometric Coefficient of Variation 0.173
96.06 nmo/L
Geometric Coefficient of Variation 0.169
94.82 nmo/L
Geometric Coefficient of Variation 0.165
Comparison of Concentrations of TT4, and TT3 as Measured in Non-ESL-exposed Subject Samples, With or Without the in Vitro Addition of Eslicarbazepine and (R)-Licarbazepine.
TT#: nmo/L
1.69 nmo/L
Geometric Coefficient of Variation 0.158
1.68 nmo/L
Geometric Coefficient of Variation 0.158
1.68 nmo/L
Geometric Coefficient of Variation 0.160
1.67 nmo/L
Geometric Coefficient of Variation 0.161

SECONDARY outcome

Timeframe: 1 day

Population: Safety Population: The safety population consisted of all subjects who were enrolled in the study, did not test positive for serum pregnancy (female subjects of childbearing potential only) or TPO antibodies, and provided valid serum samples for evaluating the thyroid hormone assays

Outcome measures

Outcome measures
Measure
Automated Kit Assay (AK) - ESL-exposed Subjects
n=31 Participants
Free thyroid hormone level in the serum sample of ESL-exposed subjects as measured by the automated kit assay
Optimized Equilibrium Dialysis Method (ED)ESL-exposed Subjects
n=31 Participants
Free thyroid hormone level in the serum sample of ESL-exposed subjects as measured by the optimized equilibrium dialysis method
Mid-spiked Serum(MS)Healthy Volunteers
n=31 Participants
Free thyroid hormone level in the serum sample of healthy volunteers which was spiked with medium level of ESL metabolites
High-spiked Serum(HS)Healthy Volunteers
n=31 Participants
Free thyroid hormone level in the serum sample of healthy volunteers which was spiked with high level of ESL metabolites
Automated Kit Assay(AK)Med-spikedSerum(MS)Healthy Volunteers
n=31 Participants
Free thyroid hormone level as measured by the automated kit assay in the serum sample of healthy volunteers which was spiked with medium level of ESL metabolites
Optimized Equilibrium Dialysis Method(ED)(MS)Healthyvolunteer
n=31 Participants
Free thyroid hormone level as measured by the optimized equilibrium dialysis method in the serum sample of healthy volunteers which was spiked with medium level of ESL metabolites
Automated Kit Assay(AK)High-spikedSerum(HS)Healthy Volunteers
n=31 Participants
Free thyroid hormone level as measured by the automated kit assay in the serum sample of healthy volunteers which was spiked with high level of ESL metabolites
Optimized Equilibrium Dialysis Method(ED)(HS)Healthyvolunteer
n=31 Participants
Free thyroid hormone level as measured by the optimized equilibrium dialysis method in the serum sample of healthy volunteers which was spiked with high level of ESL metabolites
Comparison of Concentrations of Free Thyroid Hormones (FT4 and FT3) in Spiked and Unspiked Volunteer Samples Using ED and Automated Kit Assay.
FT4 pmol/L
15.64 pmol/L
Geometric Coefficient of Variation 0.146
14.08 pmol/L
Geometric Coefficient of Variation 0.193
15.84 pmol/L
Geometric Coefficient of Variation 0.147
13.99 pmol/L
Geometric Coefficient of Variation 0.204
16.15 pmol/L
Geometric Coefficient of Variation 0.146
14.57 pmol/L
Geometric Coefficient of Variation 0.254
16.49 pmol/L
Geometric Coefficient of Variation 0.145
15.80 pmol/L
Geometric Coefficient of Variation 0.232
Comparison of Concentrations of Free Thyroid Hormones (FT4 and FT3) in Spiked and Unspiked Volunteer Samples Using ED and Automated Kit Assay.
FT3 pmol/L
4.92 pmol/L
Geometric Coefficient of Variation 0.125
4.06 pmol/L
Geometric Coefficient of Variation 0.192
4.95 pmol/L
Geometric Coefficient of Variation 0.128
3.47 pmol/L
Geometric Coefficient of Variation 0.273
5.00 pmol/L
Geometric Coefficient of Variation 0.133
4.20 pmol/L
Geometric Coefficient of Variation 0.208
5.06 pmol/L
Geometric Coefficient of Variation 0.122
4.27 pmol/L
Geometric Coefficient of Variation 0.246

SECONDARY outcome

Timeframe: 1 day

Population: Safety Population: The safety population consisted of all subjects who were enrolled in the study, did not test positive for serum pregnancy (female subjects of childbearing potential only) or TPO antibodies, and provided valid serum samples for evaluating the thyroid hormone assays

Outcome measures

Outcome measures
Measure
Automated Kit Assay (AK) - ESL-exposed Subjects
n=31 Participants
Free thyroid hormone level in the serum sample of ESL-exposed subjects as measured by the automated kit assay
Optimized Equilibrium Dialysis Method (ED)ESL-exposed Subjects
n=31 Participants
Free thyroid hormone level in the serum sample of ESL-exposed subjects as measured by the optimized equilibrium dialysis method
Mid-spiked Serum(MS)Healthy Volunteers
n=31 Participants
Free thyroid hormone level in the serum sample of healthy volunteers which was spiked with medium level of ESL metabolites
High-spiked Serum(HS)Healthy Volunteers
n=31 Participants
Free thyroid hormone level in the serum sample of healthy volunteers which was spiked with high level of ESL metabolites
Automated Kit Assay(AK)Med-spikedSerum(MS)Healthy Volunteers
Free thyroid hormone level as measured by the automated kit assay in the serum sample of healthy volunteers which was spiked with medium level of ESL metabolites
Optimized Equilibrium Dialysis Method(ED)(MS)Healthyvolunteer
Free thyroid hormone level as measured by the optimized equilibrium dialysis method in the serum sample of healthy volunteers which was spiked with medium level of ESL metabolites
Automated Kit Assay(AK)High-spikedSerum(HS)Healthy Volunteers
Free thyroid hormone level as measured by the automated kit assay in the serum sample of healthy volunteers which was spiked with high level of ESL metabolites
Optimized Equilibrium Dialysis Method(ED)(HS)Healthyvolunteer
Free thyroid hormone level as measured by the optimized equilibrium dialysis method in the serum sample of healthy volunteers which was spiked with high level of ESL metabolites
Comparison of Concentrations of TSH,as Measured in Non-ESL-exposed Subject Samples, With or Without the in Vitro Addition of Eslicarbazepine and (R)-Licarbazepine.
1.32 mU/L
Geometric Coefficient of Variation 0.566
1.33 mU/L
Geometric Coefficient of Variation 0.563
1.32 mU/L
Geometric Coefficient of Variation 0.569
1.33 mU/L
Geometric Coefficient of Variation 0.565

Adverse Events

Eslicarbazepine Acetate Exposed Subjects

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

Healthy Volunteers

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Eslicarbazepine Acetate Exposed Subjects
n=37 participants at risk
Adult male and female subjects (greater than or equal to 18 years)who had received at least 1200 mg QD eslicarbazapine acetate (ESL) for at least 6 weeks and had not experienced any rash or other allergic reaction at the time of the blood draw
Healthy Volunteers
n=34 participants at risk
Adult male and female healthy volunteer (greater than or equal to 18 years) not exposed to ESL at the time of blood draw
Nervous system disorders
Dizziness
2.7%
1/37 • Number of events 1 • One day
Adverse events were collected on the same day as the study visit
0.00%
0/34 • One day
Adverse events were collected on the same day as the study visit

Additional Information

CNS Medical Director

Sunovion Pharmaceuticals Inc.

Phone: 1-866-503-6351

Results disclosure agreements

  • Principal investigator is a sponsor employee In the event the study is part of a multi-center study, the first publication of the results of the study shall be made in conjunction with the results of other participating study sites as a multi-center publication; provided however, if a multi-center publication is not forthcoming within twenty-four (24) months following completion of the study at all sites, institution and investigator shall be free to publish
  • Publication restrictions are in place

Restriction type: OTHER