# Safety and Efficacy Study of Inhaled Carbon Monoxide to Treat Acute Respiratory Distress Syndrome (ARDS)

> **NCT03799874** · PHASE2 · ACTIVE_NOT_RECRUITING · sponsor: **Brigham and Women's Hospital** · enrollment: 32 (estimated)

## Conditions studied

- Acute Respiratory Distress Syndrome

## Interventions

- **DRUG:** Inhaled Carbon Monoxide at 200 ppm
- **OTHER:** Inhaled Medical air

## Key facts

- **NCT ID:** NCT03799874
- **Lead sponsor:** Brigham and Women's Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2019-07-01
- **Primary completion:** 2026-01
- **Final completion:** 2026-01
- **Target enrollment:** 32 (ESTIMATED)
- **Last updated:** 2025-08-24

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03799874

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03799874, "Safety and Efficacy Study of Inhaled Carbon Monoxide to Treat Acute Respiratory Distress Syndrome (ARDS)". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT03799874. Licensed CC0.

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