Trial Outcomes & Findings for Open Label Extension Safety and Efficacy Study of TNX-102 SL Tablets in Military Related PTSD and Related Conditions (NCT NCT02421679)

NCT ID: NCT02421679

Last Updated: 2025-02-06

Results Overview

Number of patients with new treatment emergent AEs since completing lead-in study

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

159 participants

Primary outcome timeframe

Week 12

Results posted on

2025-02-06

Participant Flow

Participant milestones

Participant milestones
Measure
Placebo- TNX-102 SL 2.8 mg
These patients received 2x Placebo sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX 102 SL 2.8 mg - TNX-102 SL 2.8 mg
These patients received 1x TNX-102 SL 2.8 mg sublingual tablet and 1x Placebo sublingual tablet daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX-102 SL 5.6 mg - TNX-102 SL 2.8 mg
These patients received 2x TNX-102 SL 2.8 mg sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
Overall Study
STARTED
58
64
37
Overall Study
COMPLETED
47
49
32
Overall Study
NOT COMPLETED
11
15
5

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Open Label Extension Safety and Efficacy Study of TNX-102 SL Tablets in Military Related PTSD and Related Conditions

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Placebo- TNX-102 SL 2.8 mg
n=54 Participants
These patients received 2x Placebo sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX 102 SL 2.8 mg - TNX-102 SL 2.8 mg
n=60 Participants
These patients received 1x TNX-102 SL 2.8 mg sublingual tablet and 1x Placebo sublingual tablet daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX-102 SL 5.6 mg - TNX-102 SL 2.8 mg
n=35 Participants
These patients received 2x TNX-102 SL 2.8 mg sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
Total
n=149 Participants
Total of all reporting groups
Age, Continuous
33.1 years
STANDARD_DEVIATION 7.00 • n=5 Participants
35.8 years
STANDARD_DEVIATION 8.22 • n=7 Participants
35.4 years
STANDARD_DEVIATION 9.27 • n=5 Participants
34.7 years
STANDARD_DEVIATION 8.11 • n=4 Participants
Sex: Female, Male
Female
4 Participants
n=5 Participants
3 Participants
n=7 Participants
3 Participants
n=5 Participants
10 Participants
n=4 Participants
Sex: Female, Male
Male
50 Participants
n=5 Participants
57 Participants
n=7 Participants
32 Participants
n=5 Participants
139 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
11 Participants
n=5 Participants
8 Participants
n=7 Participants
5 Participants
n=5 Participants
24 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
43 Participants
n=5 Participants
52 Participants
n=7 Participants
30 Participants
n=5 Participants
125 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
1 Participants
n=7 Participants
0 Participants
n=5 Participants
1 Participants
n=4 Participants
Race (NIH/OMB)
Asian
3 Participants
n=5 Participants
1 Participants
n=7 Participants
0 Participants
n=5 Participants
4 Participants
n=4 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
Black or African American
9 Participants
n=5 Participants
16 Participants
n=7 Participants
8 Participants
n=5 Participants
33 Participants
n=4 Participants
Race (NIH/OMB)
White
36 Participants
n=5 Participants
41 Participants
n=7 Participants
25 Participants
n=5 Participants
102 Participants
n=4 Participants
Race (NIH/OMB)
More than one race
2 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
2 Participants
n=4 Participants
Race (NIH/OMB)
Unknown or Not Reported
4 Participants
n=5 Participants
1 Participants
n=7 Participants
2 Participants
n=5 Participants
7 Participants
n=4 Participants
Region of Enrollment
United States
54 participants
n=5 Participants
60 participants
n=7 Participants
35 participants
n=5 Participants
149 participants
n=4 Participants

PRIMARY outcome

Timeframe: Week 12

Population: Results are reported for the safety population, which includes all patients who received at least one dose of investigational product under this protocol.

Number of patients with new treatment emergent AEs since completing lead-in study

Outcome measures

Outcome measures
Measure
Placebo- TNX-102 SL 2.8 mg
n=54 Participants
These patients received 2x Placebo sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX 102 SL 2.8 mg - TNX-102 SL 2.8 mg
n=60 Participants
These patients received 1x TNX-102 SL 2.8 mg sublingual tablet and 1x Placebo sublingual tablet daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX-102 SL 5.6 mg - TNX-102 SL 2.8 mg
n=35 Participants
These patients received 2x TNX-102 SL 2.8 mg sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
Newly Treatment Emergent Adverse Events
37 Participants
20 Participants
14 Participants

SECONDARY outcome

Timeframe: P201 Day 1 (12 weeks prior to P202 Day 1), P202 Day 1, P202 Week 12

Population: Only patients with data available at all timepoints were evaluated.

Changes in total CAPS-5 score from baseline in lead-in study and since baseline in this study. CAPS-5 score ranges from 0-80 with lower scores indicating less sever PTSD symptoms.

Outcome measures

Outcome measures
Measure
Placebo- TNX-102 SL 2.8 mg
n=48 Participants
These patients received 2x Placebo sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX 102 SL 2.8 mg - TNX-102 SL 2.8 mg
n=51 Participants
These patients received 1x TNX-102 SL 2.8 mg sublingual tablet and 1x Placebo sublingual tablet daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX-102 SL 5.6 mg - TNX-102 SL 2.8 mg
n=33 Participants
These patients received 2x TNX-102 SL 2.8 mg sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
Total CAPS-5 (Clinician Administered PTSD Scale (for Diagnostic and Statistical Manual of Mental Disorders Version 5)
Change from P201 Baseline to P202 Week 12
-25.3 units on a scale
Standard Error 2.55
-25.6 units on a scale
Standard Error 2.59
-26.9 units on a scale
Standard Error 2.80
Total CAPS-5 (Clinician Administered PTSD Scale (for Diagnostic and Statistical Manual of Mental Disorders Version 5)
Change from P202 Baseline to P202 Week 12
-4.9 units on a scale
Standard Error 1.80
-4.8 units on a scale
Standard Error 1.82
-3.7 units on a scale
Standard Error 2.01

SECONDARY outcome

Timeframe: P201 Day 1 (12 weeks prior to P202 Day 1), P202 Day 1, P201 Week 12

Population: Any patients with missing values are assigned as not achieving 30% improvement.

≥30% decrease in Total CAPS-5 score from baseline in lead-in study and since baseline in this study. Lower scores on CAPS-5 indicate less severe PTSD symptoms.

Outcome measures

Outcome measures
Measure
Placebo- TNX-102 SL 2.8 mg
n=54 Participants
These patients received 2x Placebo sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX 102 SL 2.8 mg - TNX-102 SL 2.8 mg
n=60 Participants
These patients received 1x TNX-102 SL 2.8 mg sublingual tablet and 1x Placebo sublingual tablet daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX-102 SL 5.6 mg - TNX-102 SL 2.8 mg
n=35 Participants
These patients received 2x TNX-102 SL 2.8 mg sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
Response Rates a in Total CAPS-5 Score
Patients with ≥30% decrease in Total CAPS-5 score from P201 Day 1 to P202 Week 12
43 Participants
47 Participants
30 Participants
Response Rates a in Total CAPS-5 Score
Patients with ≥30% decrease in Total CAPS-5 score from P202 Day 1 to P202 Week 12
20 Participants
24 Participants
13 Participants

SECONDARY outcome

Timeframe: P201 Day 1 (12 weeks prior to P202 Day 1), P202 Day 1, P202 Week 12

Population: Only patients with data available at all timepoints were evaluated.

Changes from baseline in lead-in study and since baseline in this study in item scores, including * intrusion symptoms (Criterion B) - Score ranges from 0 to 20. * CAPS-5 item 2. (B-2) (unpleasant dreams related to the trauma) - Score ranges from 0 to 4 * persistent avoidance (Criterion C) - Score ranges from 0 to 8 * negative cognitions and mood (Criterion D) - Score ranges from 0 to 28 * arousal and reactivity (Criterion E) - Score ranges from 0 to 24 Lower scores indicate less severe symptoms on all items

Outcome measures

Outcome measures
Measure
Placebo- TNX-102 SL 2.8 mg
n=48 Participants
These patients received 2x Placebo sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX 102 SL 2.8 mg - TNX-102 SL 2.8 mg
n=51 Participants
These patients received 1x TNX-102 SL 2.8 mg sublingual tablet and 1x Placebo sublingual tablet daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX-102 SL 5.6 mg - TNX-102 SL 2.8 mg
n=33 Participants
These patients received 2x TNX-102 SL 2.8 mg sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
CAPS-5 Cluster Score Items
Change from P201 Day 1 to P202 Week 12 in Criterion B
-7.7 units on a scale
Standard Error 0.82
-7.4 units on a scale
Standard Error 0.82
-7.7 units on a scale
Standard Error 0.91
CAPS-5 Cluster Score Items
Change from P202 Day 1 to P202 Week 12 in Criterion B
-1.9 units on a scale
Standard Error 0.66
-1.5 units on a scale
Standard Error 0.66
-1.4 units on a scale
Standard Error 0.74
CAPS-5 Cluster Score Items
Change from P201 Day 1 to P202 Week 12 in Item B-2
-1.3 units on a scale
Standard Error 0.23
-1.4 units on a scale
Standard Error 0.24
-1.4 units on a scale
Standard Error 0.26
CAPS-5 Cluster Score Items
Change from P202 Day 1 to P202 Week 12 in Item B-2
-0.3 units on a scale
Standard Error 0.20
-0.4 units on a scale
Standard Error 0.21
-0.2 units on a scale
Standard Error 0.23
CAPS-5 Cluster Score Items
Change from P201 Day 1 to P202 Week 12 in Criterion C
-3.1 units on a scale
Standard Error 0.45
-3.2 units on a scale
Standard Error 0.45
-3.1 units on a scale
Standard Error 0.50
CAPS-5 Cluster Score Items
Change from P202 Day 1 to P202 Week 12 in Criterion C
-0.4 units on a scale
Standard Error 0.38
-0.5 units on a scale
Standard Error 0.39
-0.5 units on a scale
Standard Error 0.42
CAPS-5 Cluster Score Items
Change from P201 Day 1 to P202 Week 12 in Criterion D
-7.6 units on a scale
Standard Error 1.10
-8.4 units on a scale
Standard Error 1.12
-9.1 units on a scale
Standard Error 1.22
CAPS-5 Cluster Score Items
Change from P202 Day 1 to P202 Week 12 in Criterion D
-1.1 units on a scale
Standard Error 0.85
-1.8 units on a scale
Standard Error 0.85
-1.4 units on a scale
Standard Error 0.95
CAPS-5 Cluster Score Items
Change from P201 Day 1 to P202 Week 12 in Criterion E
-6.8 units on a scale
Standard Error 0.83
-6.4 units on a scale
Standard Error 0.84
-7.1 units on a scale
Standard Error 0.91
CAPS-5 Cluster Score Items
Change from P202 Day 1 to P202 Week 12 in Criterion E
-1.4 units on a scale
Standard Error 0.62
-0.9 units on a scale
Standard Error 0.62
-0.8 units on a scale
Standard Error 0.69

SECONDARY outcome

Timeframe: P201 Day 1 (12 weeks prior to P202 Day 1), P202 Day 1, P202 Week 12

Population: Only patients with data available at all timepoints were evaluated.

Changes from baseline in lead-in study and since baseline in this study in MADRS. Score ranges from 0 to 60. Lower scores indicate less severe depression symptoms.

Outcome measures

Outcome measures
Measure
Placebo- TNX-102 SL 2.8 mg
n=48 Participants
These patients received 2x Placebo sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX 102 SL 2.8 mg - TNX-102 SL 2.8 mg
n=51 Participants
These patients received 1x TNX-102 SL 2.8 mg sublingual tablet and 1x Placebo sublingual tablet daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX-102 SL 5.6 mg - TNX-102 SL 2.8 mg
n=33 Participants
These patients received 2x TNX-102 SL 2.8 mg sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
Montgomery-Asberg Depression Rating Scale
Change from P201 Day 1 to P202 Week 12
-8.1 units on a scale
Standard Error 1.53
-9.3 units on a scale
Standard Error 1.57
-9.9 units on a scale
Standard Error 1.66
Montgomery-Asberg Depression Rating Scale
Change from P202 Day 1 to P202 Week 12
0.1 units on a scale
Standard Error 1.28
-1.1 units on a scale
Standard Error 1.30
-2.1 units on a scale
Standard Error 1.40

SECONDARY outcome

Timeframe: P201 Day 1 (12 weeks prior to P202 Day 1), P202 Day 1, P202 Week 12

Population: Only patients with data available at all timepoints were evaluated.

Changes from baseline in lead-in study and since baseline in this study in PROMIS scores. Raw scores are converted to T-scores with mean of 50 and standard deviation of 10 using published conversion tables based on the US population. * Fatigue T-score ranges from 33.1 to 77.8. Lower scores indicate less fatigue * Sleep Disturbance T-score ranges from 28.9 to 76.5. Lower scores indicate less sleep disturbance * Global Physical Health T-score ranges from 16.2 to 67.7. Lower scores indicate better physical health * Global Mental Health T-score ranges from 21.2 to 67.6. Lower scores indicate better mental health

Outcome measures

Outcome measures
Measure
Placebo- TNX-102 SL 2.8 mg
n=48 Participants
These patients received 2x Placebo sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX 102 SL 2.8 mg - TNX-102 SL 2.8 mg
n=51 Participants
These patients received 1x TNX-102 SL 2.8 mg sublingual tablet and 1x Placebo sublingual tablet daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX-102 SL 5.6 mg - TNX-102 SL 2.8 mg
n=32 Participants
These patients received 2x TNX-102 SL 2.8 mg sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
PROMIS (Patient -Reported Outcome Measurement Information System)
Change from P201 Day 1 to P202 Week 12 in PROMIS Fatigue T-scores
-5.6 T-score
Standard Error 2.05
-6.4 T-score
Standard Error 2.08
-8.0 T-score
Standard Error 2.26
PROMIS (Patient -Reported Outcome Measurement Information System)
Change from P201 Day 1 to P202 Week 12 in PROMIS Sleep Disturbance T-scores
-10.4 T-score
Standard Error 2.50
-12.2 T-score
Standard Error 2.58
-14.3 T-score
Standard Error 2.75
PROMIS (Patient -Reported Outcome Measurement Information System)
Change from P202 Day 1 to P202 Week 12 in PROMIS Sleep Disturbance T-scores
0.7 T-score
Standard Error 2.36
0.4 T-score
Standard Error 2.40
-3.1 T-score
Standard Error 2.60
PROMIS (Patient -Reported Outcome Measurement Information System)
Change from P202 Day 1 to P202 Week 12 in PROMIS Fatigue T-scores
0.9 T-score
Standard Error 1.78
1.1 T-score
Standard Error 1.79
-0.4 T-score
Standard Error 1.93
PROMIS (Patient -Reported Outcome Measurement Information System)
Change from P201 Day 1 to P202 Week 12 in PROMIS Global Mental Health T-scores
7.1 T-score
Standard Error 1.76
7.1 T-score
Standard Error 1.79
10.1 T-score
Standard Error 1.95
PROMIS (Patient -Reported Outcome Measurement Information System)
Change from P202 Day 1 to P202 Week 12 in PROMIS Global Mental Health T-scores
0.5 T-score
Standard Error 1.50
0.2 T-score
Standard Error 1.53
1.8 T-score
Standard Error 1.67
PROMIS (Patient -Reported Outcome Measurement Information System)
Change from P201 Day 1 to P202 Week 12 in PROMIS Global Physical Health T-scores
3.1 T-score
Standard Error 1.50
3.2 T-score
Standard Error 1.53
5.8 T-score
Standard Error 1.66
PROMIS (Patient -Reported Outcome Measurement Information System)
Change from P202 Day 1 to P202 Week 12 in PROMIS Global Physical Health T-scores
-0.7 T-score
Standard Error 1.18
-0.2 T-score
Standard Error 1.20
1.7 T-score
Standard Error 1.30

Adverse Events

Placebo- TNX-102 SL 2.8 mg

Serious events: 0 serious events
Other events: 29 other events
Deaths: 0 deaths

TNX 102 SL 2.8 mg - TNX-102 SL 2.8 mg

Serious events: 0 serious events
Other events: 7 other events
Deaths: 0 deaths

TNX-102 SL 5.6 mg - TNX-102 SL 2.8 mg

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Placebo- TNX-102 SL 2.8 mg
n=54 participants at risk
These patients received 2x Placebo sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX 102 SL 2.8 mg - TNX-102 SL 2.8 mg
n=60 participants at risk
These patients received 1x TNX-102 SL 2.8 mg sublingual tablet and 1x Placebo sublingual tablet daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
TNX-102 SL 5.6 mg - TNX-102 SL 2.8 mg
n=35 participants at risk
These patients received 2x TNX-102 SL 2.8 mg sublingual tablets daily at bedtime during the lead-in study (TNX-CY-P201) and 1x TNX-102 SL 2.8 mg tablet daily at bedtime during this open-label study.
Gastrointestinal disorders
Hypoaesthesia Oral
40.7%
22/54 • 12 Weeks
All adverse events are reported for the Safety population, which includes only the patients who took at least 1 dose of study medication in this study.
5.0%
3/60 • 12 Weeks
All adverse events are reported for the Safety population, which includes only the patients who took at least 1 dose of study medication in this study.
5.7%
2/35 • 12 Weeks
All adverse events are reported for the Safety population, which includes only the patients who took at least 1 dose of study medication in this study.
Gastrointestinal disorders
Paraesthesia Oral
16.7%
9/54 • 12 Weeks
All adverse events are reported for the Safety population, which includes only the patients who took at least 1 dose of study medication in this study.
1.7%
1/60 • 12 Weeks
All adverse events are reported for the Safety population, which includes only the patients who took at least 1 dose of study medication in this study.
0.00%
0/35 • 12 Weeks
All adverse events are reported for the Safety population, which includes only the patients who took at least 1 dose of study medication in this study.
Nervous system disorders
Somnolence
3.7%
2/54 • 12 Weeks
All adverse events are reported for the Safety population, which includes only the patients who took at least 1 dose of study medication in this study.
5.0%
3/60 • 12 Weeks
All adverse events are reported for the Safety population, which includes only the patients who took at least 1 dose of study medication in this study.
2.9%
1/35 • 12 Weeks
All adverse events are reported for the Safety population, which includes only the patients who took at least 1 dose of study medication in this study.
Product Issues
Product Taste Abnormal
5.6%
3/54 • 12 Weeks
All adverse events are reported for the Safety population, which includes only the patients who took at least 1 dose of study medication in this study.
0.00%
0/60 • 12 Weeks
All adverse events are reported for the Safety population, which includes only the patients who took at least 1 dose of study medication in this study.
0.00%
0/35 • 12 Weeks
All adverse events are reported for the Safety population, which includes only the patients who took at least 1 dose of study medication in this study.

Additional Information

Gregory M. Sullivan, Chief Medical Officer

Tonix Pharmaceuticals

Phone: 862-904-0355

Results disclosure agreements

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

Restriction type: OTHER