Recruiting at 2 sites No phase Obsessive-Compulsive Disorder

Obsessive-Compulsive Disorder study: Exposure-Based Therapy

Official title CO2 Reactivity as a Biomarker of Non-Response to Exposure-Based Therapy

ClinicalTrials.gov ID: NCT05467683

What this study is testing

What it's testing
The study wants to find out whether a CO2 challenge can help doctors decide if exposure‑based therapy is likely to work.
Who it's for
Adults diagnosed with obsessive‑compulsive disorder, post‑traumatic stress disorder, generalized anxiety disorder, social anxiety disorder, or panic disorder.
What's involved
Participants will take part in a CO2 breathing test and complete related questionnaires and assessments.

A plain-language read of the study's public ClinicalTrials.gov listing. The study team confirms the details.

Who can take part

Ages 18 to 70

You may be able to join if

  • A primary DSM-5 diagnosis of panic disorder (with or without an agoraphobia diagnosis), social anxiety disorder, generalized anxiety disorder...
  • A score of 8 or greater on the Overall Anxiety Severity and Impairment Scale (OASIS)
  • Ages 18 to 70
  • Willingness and ability to provide informed consent and comply with the requirements of the study protocol.
  • Proficiency in English (because assessment instruments have only been validated in English)

You likely can't join if

  • A lifetime history of bipolar or psychotic disorders, substance use disorders (other than nicotine) or eating disorder in the past 6 months
  • Active suicidal ideation with at least some intent to act with or without specific plan (a rating of 4 for suicidal ideation on the Columbia-Suicide...
  • Medical conditions contraindicating CO2 inhalation or hyperventilation challenge (e.g., cardiac arrhythmia, cardiac failure, asthma, lung fibrosis...
  • Pregnancy or lactation
  • Ongoing psychotherapy directed toward the primary disorder.
  • Pharmacological treatment started within 8 weeks prior to the screen (patients "stable" on their medication regimen will be included and their...

The study team makes the final eligibility decision.

Where it is enrolling

  • Boston, Massachusetts, United States
  • Austin, Texas, United States

Questions & answers

Do participants get paid in this trial?

This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.

Is it free to join, and do I need insurance?

Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part, but confirm specifics with the study team.

How long does this study last?

The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.

Who can join this trial?

This study is enrolling all sexes, 18 years to 70 years. The study team makes the final eligibility decision.

Where is this trial taking place?

This study is enrolling now at Boston, Massachusetts, United States; Austin, Texas, United States. Enter your location above to see the nearest enrolling site and check your eligibility.

Explore other conditions

BridgeMD is an information and trial-matching tool that is independent of the study sponsor. Details come from ClinicalTrials.gov. The study team decides eligibility, and your own doctor gives medical advice.