NCT03996876

Brief Summary

The investigators have developed a mobile app called Resolving Psychological Stress (REPS) to help alleviate symptoms of PTSD. The app will administer threat-related attention bias modification to individuals who have both a Diagnostic and Statistical Manual of Mental Disorders V (DSM-V) diagnosis of PTSD (and meet at least one DSM-V criteria for threat sensitivity) and a DSM-V diagnosis of Alcohol Use Disorder. The aims of the study are to explore both the feasibility and acceptability of the app with it's users, and to explore the efficacy of the app at alleviating PTSD severity.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
28

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Jan 2018

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 9, 2018

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

April 30, 2018

Completed
1.2 years until next milestone

First Posted

Study publicly available on registry

June 25, 2019

Completed
5 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2019

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 16, 2019

Completed
2.3 years until next milestone

Results Posted

Study results publicly available

December 7, 2021

Completed
Last Updated

December 7, 2021

Status Verified

November 1, 2021

Enrollment Period

1.5 years

First QC Date

April 30, 2018

Results QC Date

August 2, 2021

Last Update Submit

November 9, 2021

Conditions

Keywords

Attention Bias ModificationPTSDDigital HealthAlcohol Use Disorder

Outcome Measures

Primary Outcomes (2)

  • PTSD Symptoms Using PTSD Checklist-5 (PCL-5) at Baseline and 15 Days

    The PTSD Checklist-5 (PCL- 5) was administered via the mobile application to assess changes in PTSD symptoms. The PCL-5 is a well validated and widely used structured 20-item diagnostic interview for assessing symptomology of PTSD corresponding to a DSM-5 diagnosis. PCL scores range from 0-80, with a score of 33 or above indicating clinically significant PTSD symptoms. Participants were asked about the severity of symptoms over the past week.

    15 days apart

  • Differences in Heart Rate Variability (HRV) During a Threat Sensitivity Computerized Task

    Participants will perform computerized tasks designed to assess threat sensitivity. The task contains three different "threat" conditions, regarding the possibility of receiving a small, electric shock via an electrode on the hand (shock level is set by the participant). The three conditions are: shock not possible, shock possible, and shock may be possible. HRV is measured during all conditions and differences between the three conditions are scored.

    15 days apart

Secondary Outcomes (1)

  • Rating of the Resolving Psychological Stress (Reps) Mobile Application on a Five-Point Scale for Multiple Feasibility and Acceptability Items After the Intervention, at 15 Days

    15 days

Study Arms (2)

Threat ABM Training

ACTIVE COMPARATOR

Attention Bias Modification Training with threatening words

Device: RePS (Resolving Psychological Stress) - Threat ABM Training

Neutral Attention Training

PLACEBO COMPARATOR

Non-active version of ABM Training

Device: RePS (Resolving Psychological Stress) - Neutral Attention Training

Interventions

This mobile "app" will aim to reduce neurobiological threat sensitivity with the ultimate goal of developing novel treatments for PTSD. The app can be used on an iPhone Operating System (iOS) compatible phone and involves a training program that aims to directly reduce threat sensitivity by modifying attention. The contents of the app will be the same for each user.

Threat ABM Training

This app will be a placebo attention bias modification that will be used on an iOS compatible phone. The placebo will contain only neutral words.

Neutral Attention Training

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Must have current PTSD symptoms.
  • Must drink alcohol.

You may not qualify if:

  • Very recent or current trauma or trauma exposure.
  • Recent moderate or severe non-alcohol substance use disorder.
  • Active suicidality.
  • Lifetime history of schizophrenia or bipolar disorder I.
  • Medical conditions including seizure disorders, neurological disorders, moderate or severe head injury, systemic illness affecting nervous system function, heart defect, or medically unstable injuries.
  • Recent or planned change in psychotherapeutic treatment for PTSD or other psychiatric symptoms

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Aoife O'Donovan

San Francisco, California, 94121, United States

Location

MeSH Terms

Conditions

Stress Disorders, Post-TraumaticAlcoholism

Condition Hierarchy (Ancestors)

Stress Disorders, TraumaticTrauma and Stressor Related DisordersMental DisordersAlcohol-Related DisordersSubstance-Related DisordersChemically-Induced Disorders

Limitations and Caveats

Sample size is limited and results should be interpreted cautiously.

Results Point of Contact

Title
Aoife O'Donovan, Associate Professor of Psychiatry
Organization
University of California, San Francisco

Study Officials

  • Aoife S O'Donovan, Ph.D.

    University of California, San Francisco

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Masking Details
Participants will be blind to the bias modification training they are assigned.
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Participants will be assigned to either a threat attention bias modification training or a neutral attention training.
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 30, 2018

First Posted

June 25, 2019

Study Start

January 9, 2018

Primary Completion

June 30, 2019

Study Completion

August 16, 2019

Last Updated

December 7, 2021

Results First Posted

December 7, 2021

Record last verified: 2021-11

Data Sharing

IPD Sharing
Will not share

Locations