MedPath

Safety and Efficacy Study of TNX-102 SL in Patients With Military-related PTSD

Phase 3
Terminated
Conditions
PTSD
Interventions
Drug: Placebo SL Tablet
Registration Number
NCT03062540
Lead Sponsor
Tonix Pharmaceuticals, Inc.
Brief Summary

This is a 12-week, multicenter, randomized, double-blind, placebo-controlled, fixed-dose study that will investigate the efficacy and safety of 5.6 mg TNX-102 SL (2 x 2.8 mg tablets)-a sublingual formulation of cyclobenzaprine. Following successful screening and randomization, eligible patients will have a telephonic visit at week 2 and then return regularly to the study clinic for monthly visits for assessments of efficacy and safety.

Detailed Description

Not available

Recruitment & Eligibility

Status
TERMINATED
Sex
All
Target Recruitment
358
Inclusion Criteria
  • Male or female between 18 and 75 years of age, who have served in any branch of the military.
  • Diagnosed with current PTSD as determined by the Clinician-Administered PTSD Scale (CAPS-5) for DSM-5.
  • Index trauma(s) resulting in PTSD must meet DSM-5 criterion A for PTSD as described in CAPS-5, have occurred in 2001 or later, be military service related.
  • Willing to refrain from use of all other formulations of cyclobenzaprine.
  • Willing and able to refrain from antidepressants and other excluded medications.
  • Capable of reading and understanding English and able to provide written informed consent.
  • If female, either not of childbearing potential or practicing a medically acceptable method of birth control throughout the study.
  • Willing and able to comply with all protocol-specified requirements.
Exclusion Criteria
  • Increased risk of suicide, based on the investigator's judgment that is of a severity that is not appropriate for outpatient management, or that warrants additional therapy excluded by the protocol.
  • Significant (e.g., moderate or severe) comorbid traumatic brain injury (TBI) by history.
  • Severe depressive symptoms at screening or baseline.
  • Clinically significant laboratory abnormalities based on screening laboratory tests and/or medical history in the investigator's opinion.
  • Use of antidepressant medication within 2 months of baseline.
  • Female patients who are pregnant or lactating.
  • History of serotonin syndrome, severe allergic reaction or bronchospasm or known hypersensitivity to cyclobenzaprine or the excipients.
  • Seizure disorder.
  • Patients with a body mass index (BMI) > 45.
  • Has received any other investigational drug within 30 days before Screening.
  • Previous participation in any other study with TNX-102 SL.
  • Family member of investigative staff.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
TNX-102 SL Tablet, 5.6 mgTNX-102 SL2 x TNX-102 SL, 2.8 mg Tablets taken sublingually each day at bedtime for 12 weeks.
Placebo SL TabletPlacebo SL Tablet2 x Placebo Tablet taken sublingually each day at bedtime for 12 weeks.
Primary Outcome Measures
NameTimeMethod
Mean Change From Baseline in the Total Clinician Administered PTSD Scale (CAPS-5) for DSM-5 at Week 12.Day 0 and Week 12

To evaluate the efficacy of the TNX-102 SL (cyclobenzaprine HCl sublingual tablets) using the Clinician Administered PTSD Scale for Diagnostic and Statistical Manual of Mental Disorders (DSM-5) (CAPS-5) total symptom severity score in a 12-week study. Score ranges from 0 to 80 with lower scores indicating less severe PTSD symptoms.

Secondary Outcome Measures
NameTimeMethod
Change From Baseline in the Disruption of Social Life/Leisure Activities Assessed Using the Sheehan Disability Scale (SDS) After 12 Weeks of Treatment.Day 0, Week 12.

To evaluate the efficacy of the TNX-102 SL (cyclobenzaprine HCl sublingual tablets) using the change from baseline in disruption of social life/leisure activities assessed with the SDS after 12 weeks of treatment. Score ranges from 0 to 10. Lower scores indicate less disruption to social life/leisure activities.

Clinical Global Impression - Improvement From Initiation of Treatment (CGI-I) Score After 12 Weeks of Treatment.Week 12

To evaluate the efficacy of the TNX-102 SL (cyclobenzaprine HCl sublingual tablets) using the CGI-I score after 12 weeks of treatment. Score ranges from 1 to 7. 1 = Very much improved. 2 = Much improved. 3 = Minimally improved. 4 = No change. 5 = Minimally worse. 6 = Much worse. 7 = Very much worse.

Change From Baseline in the Disruption of Work/School Activities Assessed Using the Sheehan Disability Scale (SDS) After 12 Weeks of Treatment.Day 0, Week 12.

To evaluate the efficacy of the TNX-102 SL (cyclobenzaprine HCl sublingual tablets) using the change from baseline in disruption of work/school activities assessed with the SDS after 12 weeks of treatment. Score ranges from 0 to 10. Lowers scores indicate less disruption to work/school activities.

Change From Baseline in Patients' Quality of Sleep Using the Patient-Reported Outcome Measurement Information System (PROMIS) Sleep Disturbance Scale After 12 Weeks of Treatment.Day 0, Week 12.

To evaluate the efficacy of the TNX-102 SL (cyclobenzaprine HCl sublingual tablets) using the change from baseline in quality of sleep using the PROMIS Sleep Disturbance scale after 12 weeks of treatment. Raw score is transformed to T-scores using published conversions. T-score ranges from 30 to 80 with lower scores indicating better sleep quality.

Trial Locations

Locations (43)

Chicago

🇺🇸

Chicago, Illinois, United States

Lauderhill

🇺🇸

Lauderhill, Florida, United States

Maitland

🇺🇸

Maitland, Florida, United States

Las Vegas

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Las Vegas, Nevada, United States

Cincinnati

🇺🇸

Cincinnati, Ohio, United States

San Antonio

🇺🇸

San Antonio, Texas, United States

San Diego

🇺🇸

San Diego, California, United States

Houston

🇺🇸

Houston, Texas, United States

New York

🇺🇸

New York, New York, United States

Berlin

🇺🇸

Berlin, New Jersey, United States

Orange

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Orange, California, United States

Missoula

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Missoula, Montana, United States

Flowood

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Flowood, Mississippi, United States

Phoenix

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Phoenix, Arizona, United States

Washington, D.C.

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Washington, District of Columbia, United States

Cromwell

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Cromwell, Connecticut, United States

Rogers

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Rogers, Arkansas, United States

Norwich

🇺🇸

Norwich, Connecticut, United States

Little Rock

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Little Rock, Arkansas, United States

Charleston

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Charleston, South Carolina, United States

Beverly hills

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Beverly Hills, California, United States

Glendale

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Glendale, California, United States

Oakland

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Oakland, California, United States

Oceanside

🇺🇸

Oceanside, California, United States

Temecula

🇺🇸

Temecula, California, United States

Riverside

🇺🇸

Riverside, California, United States

Jacksonville

🇺🇸

Jacksonville, Florida, United States

Tampa

🇺🇸

Tampa, Florida, United States

Lake City

🇺🇸

Lake City, Florida, United States

Atlanta

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Atlanta, Georgia, United States

New Bedford

🇺🇸

New Bedford, Massachusetts, United States

St. Louis

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Saint Louis, Missouri, United States

Cedarhurst

🇺🇸

Cedarhurst, New York, United States

Canton

🇺🇸

Canton, Ohio, United States

Dayton

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Dayton, Ohio, United States

Austin

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Austin, Texas, United States

Media

🇺🇸

Media, Pennsylvania, United States

Oklahoma City

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Oklahoma City, Oklahoma, United States

Downingtown

🇺🇸

Downingtown, Pennsylvania, United States

Dallas

🇺🇸

Dallas, Texas, United States

Salem

🇺🇸

Salem, Virginia, United States

Everett

🇺🇸

Everett, Washington, United States

Colorado Springs

🇺🇸

Colorado Springs, Colorado, United States

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