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Clinical Trials/NCT07316088
NCT07316088Active, not recruitingPhase 2

Determining the Potential for Efficacy of OTX-601 in Reducing PTSD Symptoms in a Randomized Controlled Trial (RCT)

Oui Therapeutics, Inc.1 site in 1 country40 target enrollmentStarted: December 9, 2025Last updated:
Interventions

Trial Snapshot

Phase
Phase 2
Status
Active, not recruiting
Enrollment
40
Locations
1
Primary Endpoint
Change in PTSD symptoms between baseline and week 7

Study Overview

Brief Summary

This study is exploring the efficacy of a digital therapeutic app in reducing symptoms of posttraumatic stress disorder (PTSD) in adults.

Detailed Description

The purpose of this study is to conduct a randomized controlled trial to evaluate the efficacy of OTX-601 (intervention) compared to OTX-003 (comparator) in reducing PTSD symptoms from baseline to 7 weeks.

Study Design

Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel
Primary Purpose
Treatment
Masking
Single (Participant)

Eligibility Criteria

Ages
18 Years to — (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Posttraumatic stress disorder (PTSD) diagnosis
  • Anxiety Sensitivity Index 3 (ASI-3) scores above 24
  • PTSD Checklist for DSM-V (PCL-5) scores above 30
  • Understands and speaks English
  • Access to a smartphone that is connected to the internet

Exclusion Criteria

  • Score of 24 or lower on the ASI-3
  • Score of 30 and below on the PCL-5
  • No PTSD diagnosis
  • Active psychosis
  • Acute intoxication during study baseline
  • Enrolled in another treatment research study
  • Medical illness that would prevent the completion of interoceptive exposure exercises

Arms & Interventions

OTX-601

Experimental

A prescription digital therapeutic designed to overcome existing barriers and deliver evidence based treatment for PTSD

Intervention: OTX-601 Digital Therapeutic (Device)

OTX-003

Sham Comparator

OTX-003 is a smartphone application developed as a comparator to OTX-601 and designed to match its interface while providing no active PTSD treatment.

Intervention: OTX-003 Comparator app (Device)

Outcomes

Primary Outcomes

Change in PTSD symptoms between baseline and week 7

Time Frame: Baseline, Week 7

Change in PTSD symptoms will be ascertained with the PTSD Checklist for DSM-V (PCL-5). The PCL-5 total score ranges from 0 to 80, with higher scores indicating more severe symptoms.

Secondary Outcomes

  • Change in PTSD symptoms at weeks 15 and 27(Week 15, Week 27)
  • Change in well-being at weeks 7, 15, and 27(Week 7, Week 15, Week 27)
  • Change in Anxiety Sensitivity at weeks 7, 15, and 27(Week 7, Week 15, Week 27)
  • Anxiety sensitivity as a mediator of treatment effects on PTSD symptoms at week 3(Week 3)
  • Change in Generalized Anxiety Disorder at weeks 7, 15, and 27(Week 7, Week 15, Week 27)
  • App usability at week 3(Week 3)

Investigators

Sponsor Class
Industry
Responsible Party
Sponsor

Study Sites (1)

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