# NO Prevention of COVID-19 for Healthcare Providers

> **NCT04312243** · PHASE2 · TERMINATED · sponsor: **Massachusetts General Hospital** · enrollment: 24 (actual)

## Conditions studied

- Coronavirus Infections
- Healthcare Associated Infection

## Interventions

- **DRUG:** Inhaled nitric oxide gas

## Key facts

- **NCT ID:** NCT04312243
- **Lead sponsor:** Massachusetts General Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2020-04-07
- **Primary completion:** 2022-01-10
- **Final completion:** 2022-01-10
- **Target enrollment:** 24 (ACTUAL)
- **Why stopped:** COVID wave passed and we closed the study prematurely
- **Last updated:** 2026-03-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04312243

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04312243, "NO Prevention of COVID-19 for Healthcare Providers". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT04312243. Licensed CC0.

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