# Efficacy of Various Doses of Hydroxychloroquine in Pre-Exposure Prophylaxis for COVID 19

> **NCT04359537** · PHASE2 · UNKNOWN · sponsor: **Shaheed Zulfiqar Ali Bhutto Medical University** · enrollment: 200 (estimated)

## Conditions studied

- COVID 19

## Interventions

- **DRUG:** Hydroxychloroquine Sulfate 200 MG
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT04359537
- **Lead sponsor:** Shaheed Zulfiqar Ali Bhutto Medical University
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-05-01
- **Primary completion:** 2020-08-25
- **Final completion:** 2020-09-25
- **Target enrollment:** 200 (ESTIMATED)
- **Last updated:** 2020-05-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04359537

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04359537, "Efficacy of Various Doses of Hydroxychloroquine in Pre-Exposure Prophylaxis for COVID 19". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT04359537. Licensed CC0.

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