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Safety and Efficacy of 50 mg NYX-783 QD vs. Placebo in PTSD

Phase 2
Terminated
Conditions
PTSD
Interventions
Drug: Placebo
Registration Number
NCT05181995
Lead Sponsor
Aptinyx
Brief Summary

A Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Safety and Efficacy of 50 mg NYX-783 Once Daily Compared to Placebo in Participants with Post-Traumatic Stress Disorder (PTSD)

Detailed Description

Not available

Recruitment & Eligibility

Status
TERMINATED
Sex
All
Target Recruitment
121
Inclusion Criteria
  • PTSD (DSM-5 criteria)
  • Stable allowed medications with no planned changes from 30 days prior to screening through study participation
  • Willing to use highly effective birth control
  • Willing to comply with protocol visits and procedures
Exclusion Criteria
  • Moderate to severe traumatic brain injury
  • Other psychiatric disorders (based on SCID-5-CT) or neurodegenerative disorders
  • Substance use disorder or alcohol use disorder within 6 months prior to screening
  • Psychotherapy or cognitive based therapy within 30 days prior to screening
  • Use of investigational drug within 30 days prior to screening
  • Prior participation in study of NYX-783, NYX-2925 or NYX-458.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
50 mg NYX-783 QDNYX-78350 mg NYX-783 QD
PlaceboPlaceboPlacebo QD
Primary Outcome Measures
NameTimeMethod
CAPS-5 (Clinician-Administered PTSD Scale for the Diagnostic and Statistical Manual of' Mental Disorders, 5th edition)study endpoint, up to 10 weeks

Change from Baseline in CAPS-5

Secondary Outcome Measures
NameTimeMethod
CGI-S (Clinician Global Impression - Severity)study endpoint, up to 10 weeks

Change from Baseline in CGI-S

SDS (Sheehan Disability Scale)study endpoint, up to 10 weeks

Change from Baseline in SDS

PGI-S (Patient Global Impression - Severity)study endpoint, up to 10 weeks

Change from Baseline in PGI-S

Trial Locations

Locations (1)

Aptinyx Clinical Site

🇺🇸

Plano, Texas, United States

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