Trial Outcomes & Findings for A Phase 3 Study To Evaluate The Efficacy And Safety Of TNX-102 SL In Patients With Fibromyalgia (NCT NCT04508621)

NCT ID: NCT04508621

Last Updated: 2023-12-18

Results Overview

Patients provide a daily numeric assessment of their average pain (24-hour recall), via an electronic diary, using an 11-point NRS. Scores range from 0 (no pain) to 10 (worst possible pain).

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

514 participants

Primary outcome timeframe

14 weeks

Results posted on

2023-12-18

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: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patient 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 patient will have the dose increased to 2 tablets for 12 weeks.
Overall Study
STARTED
256
258
Overall Study
COMPLETED
189
210
Overall Study
NOT COMPLETED
67
48

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: Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patient 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 patient will have the dose increased to 2 tablets for 12 weeks.
Overall Study
Adverse Event
39
16
Overall Study
Lack of Efficacy
2
8
Overall Study
Physician Decision
0
1
Overall Study
Withdrawal by Subject
10
14
Overall Study
Lost to Follow-up
12
9
Overall Study
COVID-19 related crisis
3
0
Overall Study
Subject non-compliance
1
0

Baseline Characteristics

A Phase 3 Study To Evaluate The Efficacy And Safety Of TNX-102 SL In Patients With Fibromyalgia

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
TNX-102 SL Tablet, 5.6 mg
n=256 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 patient will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=258 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 patient will have the dose increased to 2 tablets for 12 weeks.
Total
n=514 Participants
Total of all reporting groups
Age, Continuous
48.9 years
STANDARD_DEVIATION 10.55 • n=5 Participants
48.5 years
STANDARD_DEVIATION 10.60 • n=7 Participants
48.7 years
STANDARD_DEVIATION 10.57 • n=5 Participants
Sex: Female, Male
Female
242 Participants
n=5 Participants
245 Participants
n=7 Participants
487 Participants
n=5 Participants
Sex: Female, Male
Male
14 Participants
n=5 Participants
13 Participants
n=7 Participants
27 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
2 Participants
n=5 Participants
0 Participants
n=7 Participants
2 Participants
n=5 Participants
Race (NIH/OMB)
Asian
5 Participants
n=5 Participants
1 Participants
n=7 Participants
6 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
3 Participants
n=7 Participants
3 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
16 Participants
n=5 Participants
24 Participants
n=7 Participants
40 Participants
n=5 Participants
Race (NIH/OMB)
White
226 Participants
n=5 Participants
223 Participants
n=7 Participants
449 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
6 Participants
n=5 Participants
6 Participants
n=7 Participants
12 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=5 Participants
1 Participants
n=7 Participants
2 Participants
n=5 Participants
Region of Enrollment
United States
256 participants
n=5 Participants
258 participants
n=7 Participants
514 participants
n=5 Participants

PRIMARY outcome

Timeframe: 14 weeks

Population: Intent to treat population (all patients who were randomized). Multiple imputation for missing data.

Patients provide a daily numeric assessment of their average pain (24-hour recall), via an electronic diary, using an 11-point NRS. Scores range from 0 (no pain) to 10 (worst possible pain).

Outcome measures

Outcome measures
Measure
TNX-102 SL Tablet, 5.6 mg
n=256 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 patient will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=258 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 patient will have the dose increased to 2 tablets for 12 weeks.
Change From Baseline to Week 14 in the Numerical Rating Scale (NRS) Weekly Average of Daily Self-reported Average Pain Severity Scores.
-1.6 score on a scale
Interval -1.8 to -1.3
-1.3 score on a scale
Interval -1.5 to -1.1

SECONDARY outcome

Timeframe: 14 weeks

Population: Intent to Treat population (all patients who were randomized). Patients with missing data as non-responders.

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=256 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 patient will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=258 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 patient will have the dose increased to 2 tablets for 12 weeks.
Number of Patients With a Patient's Global Impression of Change (PGIC) Rating of "Very Much Improved" or "Much Improved"
76 Participants
56 Participants

SECONDARY outcome

Timeframe: 14 weeks

Population: Intent to Treat population (all patients who were randomized). Multiple imputation for missing data.

The FIQ-R is a validated questionnaire. Scores on the symptoms domain range from 0 to 100 where a higher score means worse outcome.

Outcome measures

Outcome measures
Measure
TNX-102 SL Tablet, 5.6 mg
n=256 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 patient will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=258 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 patient will have the dose increased to 2 tablets for 12 weeks.
Change From Baseline to Week 14 in the Fibromyalgia Impact Questionnaire - Revised (FIQ-R) Symptoms Domain Score.
-15.3 score on a scale
Interval -17.6 to -13.1
-12.0 score on a scale
Interval -14.2 to -9.8

SECONDARY outcome

Timeframe: 14 weeks

Population: Intent to Treat population (all patients who were randomized). Multiple imputation for missing data.

The FIQ-R is a validated questionnaire. Score 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=256 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 patient will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=258 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 patient will have the dose increased to 2 tablets for 12 weeks.
Change From Baseline to Week 14 in the FIQ-R Function Domain Score
-8.8 score on a scale
Interval -10.9 to -6.7
-8.4 score on a scale
Interval -10.5 to -6.4

SECONDARY outcome

Timeframe: 14 weeks

Population: Intent to Treat population (all patients who were randomized). Multiple imputation for missing data.

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.

Outcome measures

Outcome measures
Measure
TNX-102 SL Tablet, 5.6 mg
n=256 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 patient will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=258 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 patient will have the dose increased to 2 tablets for 12 weeks.
Change From Baseline to Week 14 in the Patient Reported Outcomes Measurement Information System (PROMIS) Score for Sleep Disturbance
-7.4 score on a scale
Interval -8.6 to -6.2
-5.1 score on a scale
Interval -6.2 to -4.0

SECONDARY outcome

Timeframe: 14 weeks

Population: Intent to Treat population (all patients who were randomized). Multiple imputation for missing data.

The PROMIS fatigue short form 8a consist 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.

Outcome measures

Outcome measures
Measure
TNX-102 SL Tablet, 5.6 mg
n=256 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 patient will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=258 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 patient will have the dose increased to 2 tablets for 12 weeks.
Change From Baseline to Week 14 in the PROMIS Score for Fatigue
-6.6 score on a scale
Interval -7.7 to -5.5
-5.4 score on a scale
Interval -6.4 to -4.3

SECONDARY outcome

Timeframe: 14 weeks

Population: Intent to Treat population (all patients who were randomized). Multiple imputation for missing data.

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=256 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 patient will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=258 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 patient will have the dose increased to 2 tablets for 12 weeks.
Change From Baseline to Week 14 in the Weekly Average of the Daily Diary Assessment of Sleep Quality
-1.5 score on a scale
Interval -1.7 to -1.3
-1.3 score on a scale
Interval -1.5 to -1.0

Adverse Events

TNX-102 SL Tablet, 5.6 mg

Serious events: 6 serious events
Other events: 80 other events
Deaths: 0 deaths

Placebo SL Tablet

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
TNX-102 SL Tablet, 5.6 mg
n=256 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 patient will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=258 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 patient will have the dose increased to 2 tablets for 12 weeks.
Infections and infestations
COVID-19 pneumonia
0.39%
1/256 • 14 weeks
0.00%
0/258 • 14 weeks
Infections and infestations
Localized infection
0.39%
1/256 • 14 weeks
0.00%
0/258 • 14 weeks
Infections and infestations
Pneumonia
0.39%
1/256 • 14 weeks
0.00%
0/258 • 14 weeks
Gastrointestinal disorders
Pancreatitis
0.39%
1/256 • 14 weeks
0.00%
0/258 • 14 weeks
Hepatobiliary disorders
Bile duct stone
0.39%
1/256 • 14 weeks
0.00%
0/258 • 14 weeks
Injury, poisoning and procedural complications
Forearm fracture
0.39%
1/256 • 14 weeks
0.00%
0/258 • 14 weeks
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Invasive ductal breast carcinoma
0.39%
1/256 • 14 weeks
0.00%
0/258 • 14 weeks

Other adverse events

Other adverse events
Measure
TNX-102 SL Tablet, 5.6 mg
n=256 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 patient will have the dose increased to 2 tablets for 12 weeks.
Placebo SL Tablet
n=258 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 patient will have the dose increased to 2 tablets for 12 weeks.
Gastrointestinal disorders
Hypoaesthesia oral
28.1%
72/256 • 14 weeks
0.78%
2/258 • 14 weeks
Gastrointestinal disorders
Oral discomfort
9.0%
23/256 • 14 weeks
0.78%
2/258 • 14 weeks
Gastrointestinal disorders
Tongue discomfort
6.2%
16/256 • 14 weeks
0.78%
2/258 • 14 weeks
Product Issues
Product taste abnormal
10.2%
26/256 • 14 weeks
0.78%
2/258 • 14 weeks

Additional Information

Gregory Sullivan, MD

Tonix Pharmaceuticals

Phone: (862) 904-0355

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