# Assessing Variability of the Ventilatory Response to Duffin's Rebreathing Procedure

> **NCT05168501** · NA · COMPLETED · sponsor: **Food and Drug Administration (FDA)** · enrollment: 7 (actual)

## Conditions studied

- Ventilation
- Reproducibility
- Physiology

## Interventions

- **OTHER:** Rebreathing procedure

## Key facts

- **NCT ID:** NCT05168501
- **Lead sponsor:** Food and Drug Administration (FDA)
- **Sponsor class:** FED
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-12-27
- **Primary completion:** 2022-02-18
- **Final completion:** 2022-02-18
- **Target enrollment:** 7 (ACTUAL)
- **Last updated:** 2024-07-15

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05168501

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05168501, "Assessing Variability of the Ventilatory Response to Duffin's Rebreathing Procedure". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT05168501. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*