# The Colorectal Breath Analysis (COBRA) Study

> **NCT03699163** · — · COMPLETED · sponsor: **Imperial College London** · enrollment: 1855 (actual)

## Conditions studied

- Colorectal Cancer
- Colorectal Polyps
- Colorectal Adenocarcinoma

## Interventions

- **DIAGNOSTIC_TEST:** Breath sample

## Key facts

- **NCT ID:** NCT03699163
- **Lead sponsor:** Imperial College London
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2017-06-03
- **Primary completion:** 2020-07-01
- **Final completion:** 2022-04-01
- **Target enrollment:** 1855 (ACTUAL)
- **Last updated:** 2024-11-21

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03699163

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03699163, "The Colorectal Breath Analysis (COBRA) Study". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT03699163. Licensed CC0.

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