# Does Hydroxychloroquine Before & During Patient Exposure Protect Healthcare Workers From Coronavirus?

> **NCT04374942** · PHASE3 · TERMINATED · sponsor: **Megan Landes** · enrollment: 13 (actual)

## Conditions studied

- Pre-Exposure Prophylaxis
- Coronavirus
- SARS-CoV 2

## Interventions

- **DRUG:** Hydroxychloroquine
- **DRUG:** Placebo oral tablet

## Key facts

- **NCT ID:** NCT04374942
- **Lead sponsor:** Megan Landes
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2020-04-30
- **Primary completion:** 2021-03-31
- **Final completion:** 2021-03-31
- **Target enrollment:** 13 (ACTUAL)
- **Why stopped:** Due to unproven issues associated with hydroxychloroquine use and safety, further complicated by media and political misinformation which in effect rendered all global studies on HCQ to stop enrolling participants.
- **Last updated:** 2021-04-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04374942

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04374942, "Does Hydroxychloroquine Before & During Patient Exposure Protect Healthcare Workers From Coronavirus?". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04374942. Licensed CC0.

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