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

> **NCT05467683** · NA · RECRUITING · sponsor: **University of Texas at Austin** · enrollment: 600 (estimated)

## Conditions studied

- Obsessive-Compulsive Disorder
- Post Traumatic Stress Disorder
- Generalized Anxiety Disorder
- Social Anxiety Disorder
- Panic Disorder

## Interventions

- **BEHAVIORAL:** Exposure-Based Therapy

## Key facts

- **NCT ID:** NCT05467683
- **Lead sponsor:** University of Texas at Austin
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2022-11-02
- **Primary completion:** 2026-12-01
- **Final completion:** 2027-02-28
- **Target enrollment:** 600 (ESTIMATED)
- **Last updated:** 2026-02-19

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05467683

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05467683, "CO2 Reactivity as a Biomarker of Non-Response to Exposure-Based Therapy". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT05467683. Licensed CC0.

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