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NCT01188694 · ClinicalTrials.gov registry record · Phase 2

Enhancing Extinction Learning in Post Traumatic Stress Disorder (PTSD)

A Phase 2 study, sponsored by University of Washington.

Completed
Registry status
Phase 2
Development phase
42
Enrollment target

NCT01188694: Completed Phase 2 study, sponsored by University of Washington.

NCT01188694 is a Phase 2 study that has completed, run by University of Washington. The registered enrollment target is 42 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (68% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01188694, a Phase 2 study, has completed, sponsored by University of Washington.

COMPLETED
Registry status
Phase 2
Development phase
42 participants
Enrollment target

Study Summary

Posttraumatic stress disorder (PTSD) is a condition that involves intense memories of a traumatic event and intense, persistent feelings of anxiety. There are several effective therapies for PTSD, but they are often time consuming. The investigators want to see if the investigators can shorten treatment time while keeping therapy effective by adding a medication called methylene blue, USP, taken orally as a pill, to the therapy. The specific aims are: 1) To see whether medication plus psychotherapy improves PTSD symptoms more than placebo plus psychotherapy or a waitlist; 2) To examine the long-term outcome of those receiving medication plus psychotherapy 1 and 3 months after treatment has ended; 3) To examine whether medication plus psychotherapy helps with depression, trauma-related cognitions, and functioning.

Primary Outcome

PTSD Symptom Scale - Interview Version, higher scores represent higher PTSD severity (range 0 - 51)

Interventions

  • DRUG Psychotherapy plus Methylene Blue, USP
  • BEHAVIORAL Psychotherapy plus Placebo
  • BEHAVIORAL Delayed Psychotherapy

Trial Details

FieldValue
Enrollment Target 42 participants
Start Date 2009-09
Est. Completion 2013-04
Phase Phase 2
University of Washington

1,048 total trials

What the finished NCT01188694 record still lists

NCT01188694 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 42 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (68% lower).

The record links to 0 conditions, and to 3 interventions - of which Psychotherapy plus Methylene Blue, USP is the first listed.

NCT01188694 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01188694 about?

NCT01188694 is a clinical study titled "Enhancing Extinction Learning in Post Traumatic Stress Disorder (PTSD)". Posttraumatic stress disorder (PTSD) is a condition that involves intense memories of a traumatic event and intense, persistent feelings of anxiety. There are several effective therapies for PTSD, but they are often time consuming. The investigators want to see if the investigators can shorten treat...

What is the current status of trial NCT01188694?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 42 participants. The study started on 2009-09. Estimated completion is 2013-04.

What interventions are being tested in trial NCT01188694?

The interventions under investigation include: Psychotherapy plus Methylene Blue, USP (DRUG), Psychotherapy plus Placebo (BEHAVIORAL), Delayed Psychotherapy (BEHAVIORAL).

Who is sponsoring clinical trial NCT01188694?

This trial is sponsored by University of Washington, which has 1,048 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01188694's enrollment target sits among peer trials

42 1339th of 2000 higher than 649 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT01188694, the US trial registry maintained by the National Library of Medicine. NCT01188694 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.