# Hydroxychloroquine Versus Placebo: Impact on Thrombotic Relapse in Primary Antiphospholipid Syndrome

> **NCT03540810** · PHASE3 · UNKNOWN · sponsor: **University Hospital, Angers** · enrollment: 300 (estimated)

## Conditions studied

- Primary Antiphospholipid Syndrome

## Interventions

- **DRUG:** Hydroxychloroquine
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT03540810
- **Lead sponsor:** University Hospital, Angers
- **Sponsor class:** OTHER_GOV
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2018-08-15
- **Primary completion:** 2022-08-15
- **Final completion:** 2022-10-15
- **Target enrollment:** 300 (ESTIMATED)
- **Last updated:** 2018-05-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03540810

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03540810, "Hydroxychloroquine Versus Placebo: Impact on Thrombotic Relapse in Primary Antiphospholipid Syndrome". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03540810. Licensed CC0.

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