# Repeatability in Hyperpolarized 3-Helium With MRI

> **NCT03776747** · PHASE4 · COMPLETED · sponsor: **Eric A. Hoffman** · enrollment: 18 (actual)

## Conditions studied

- Radiation Exposure

## Interventions

- **DRUG:** Prone hyperpolarized 3 helium gas scan
- **DRUG:** Supine hyperpolarized 3 helium gas scan
- **DIAGNOSTIC_TEST:** Vitals
- **DIAGNOSTIC_TEST:** Pulmonary Function Tests
- **DIAGNOSTIC_TEST:** Initial protocol MRI scan

## Key facts

- **NCT ID:** NCT03776747
- **Lead sponsor:** Eric A. Hoffman
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-07-22
- **Primary completion:** 2012-06
- **Final completion:** 2012-06
- **Target enrollment:** 18 (ACTUAL)
- **Last updated:** 2023-11-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03776747

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03776747, "Repeatability in Hyperpolarized 3-Helium With MRI". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT03776747. Licensed CC0.

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