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PTSDPhase 2NCT05372887

Safety and Efficacy Study of TNX-102 SL in Participants With PTSD

A Phase 2 study testing TNX-102 SL in people with PTSD, run by Tonix Pharmaceuticals, Inc. at 3 sites in Kenya.

Withdrawn

Withdrawn. The study stopped before anyone enrolled.

Official record
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Trial 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. Read more about this study

Who is it for?
Ages 18 to 75 years
Conditions the study is for
PTSD
What is being tested?
TNX-102 SL
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
0 participants
Where
3 sitesKenya
Study dates
14 Oct 2022to 8 Nov 2022
Phase
Phase 2
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 75 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Male or female between 18 and 75 years of age, at the time of signing ICF, inclusive.
  • Diagnosed with current (past month) PTSD as determined by the MINI 7.0.2 Module H (PTSD).
  • Index trauma(s) resulting in PTSD must meet DSM-5 Criterion A for PTSD as described in the CAPS 5, must have occurred within 9 years of Screening Visit 1, and must have occurred when the participant was ≥18 years of age.
  • Willing and able to withdraw and refrain from opioids for the course of the study.
  • Willing to refrain from use of all other formulations of cyclobenzaprine for the course of the study.
  • Willing and able to refrain from antidepressants and other excluded medications.
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  • Capable of reading and understanding English and able to provide written informed consent to participate.
  • Willing to comply with the requirements and restrictions listed in the informed consent form (ICF) and in the protocol.
  • If female, either not of childbearing potential or practicing a medically acceptable method of birth control throughout the study.
  • Body mass index (BMI) within the range 17.5 - 35 kg/m^2 (inclusive).

Who cannot join

  • Current or ongoing exposure to the trauma that resulted in the PTSD (ie, non-work-related trauma such as ongoing domestic abuse).
  • 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 (eg, 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.
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  • Female participants who are pregnant or lactating.
  • History of serotonin syndrome, severe allergic reaction or bronchospasm or known hypersensitivity to cyclobenzaprine or the excipients in TNX-102 SL or placebo formulations.
  • Seizure disorder.
  • Current moderate or severe sleep apnea not well controlled by positive airway pressure (PAP) or oral (mouthpiece) devices.
  • Has received any other investigational drug within 90 days before Screening or has taken cyclobenzaprine within 21 days of the Randomization visit.
  • Previous participation in any other study with TNX-102 SL.
  • Family member of investigative staff.

Trial locations and contacts

3 sites in 1 country.

Kenya3 sites
  • Aga Khan University Clinical Research Unit

    Nairobi

  • Centre for Clinical Research at KEMRI-Nairobi

    Nairobi

  • Moi University Clinical Research Centre

    Nairobi

Other trials in Kenya

About this study

Official title: A Phase 2, Double-Blind, Randomized, Multicenter, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Daily Bedtime TNX-102 SL in Participants With PTSD

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.

Conditions
PTSD
Being tested
TNX-102 SL, Placebo
Medical subject headings
Stress Disorders, Post-Traumatic

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • TNX-102 SLDrug

    Also called Low dose cyclobenzaprine sublingual tablets

    Patients will take 2 tablets of randomly assigned study drug sublingually each day at bedtime starting on Day 1 for 12 weeks

  • PlaceboDrug

    Also called Placebo sublingual tablets

    Patients will take 2 tablets of randomly assigned study drug sublingually each day at bedtime starting on Day 1 for 12 weeks

Study groups in NCT05372887
Study groupRoleWhat they receive
TNX-102 SL, 5.6 mgExperimental2 x TNX-102 SL, 2.8 mg Tablets taken sublingually each day at bedtime for 12 weeks.
Receives: Drug: TNX-102 SL
PlaceboPlacebo comparator2 x Placebo Tablet taken sublingually each day at bedtime for 12 weeks.
Receives: Drug: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Mean change from baseline in the total Clinician Administered PTSD Scale (CAPS-5) for DSM-5 at 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, fifth edition (CAPS-5) total symptom severity score in a 12-week study.

    Measured: Day 1, Week 4, Week 12

Secondary outcomes (2)
  1. Clinical Global Impression - Severity change from Baseline to Week 12

    CGI-S to assess global severity change from baseline to Week 12

    Measured: Day 1, Week 4, Week 8, Week 12

  2. Change from baseline in the disruption of psychosocial functioning assessed using the Sheehan Disability Scale (SDS) after 12 weeks of treatment.

    SDS to assess psychosocial functioning change from baseline to Week 12

    Measured: Day 1, Week 4, Week 8, Week 12

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted13 May 2022
  2. Study start14 Oct 2022
  3. Primary completion8 Nov 2022
  4. Study completion8 Nov 2022

Why it stopped: The study was stopped due to business reasons.

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
0 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05372887
Sponsor's protocol ID
TNX-CY-P308
Status last verified
Dec 2023
First submitted
9 May 2022
Last updated
11 Dec 2023
Results posted
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
Undecided

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing TNX-102 SL in people with PTSD, run by Tonix Pharmaceuticals, Inc. at 3 sites in Kenya.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 10 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: withdrawn, as of the sponsor's last update on 11 Dec 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 3 sites in Kenya. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study was withdrawn before enrolling participants, so there are no results.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Mean change from baseline in the total Clinician Administered PTSD Scale (CAPS-5) for DSM-5 at Week 12. (time frame: Day 1, Week 4, Week 12). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 11 Dec 2023.

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