Efficacy of Pre-exposure Treatment With Hydroxy-Chloroquine on the Risk and Severity of COVID-19 Infection

NCT04481633 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 552

Last updated 2026-01-06

No results posted yet for this study

Summary

There is a pandemic in the world by COVID-19. Currently, the pharmacological curative or prophylactic treatments for this infection are not known. Recent studies have suggested that Hydroxy-Chloroquine could be effective in vitro and in vivo against COVID-19. The main objective of this study is to assess in patients with autoimmune disease treated with long course Hydroxy-Chloroquine initiated before the pandemic COVID-19 had an independent protective effect on the risk or the severity of infection with COVID-19.

Conditions

Interventions

DIAGNOSTIC_TEST

COVID 19 serology

Diagnosis of Covid-19 past infection will be made by serology

OTHER

COVID 19 Self-Questionnaire

COVID 19 Self-Questionnaire

Sponsors & Collaborators

  • University Hospital, Toulouse

    lead OTHER

Principal Investigators

  • Laurent ALRIC, Pr · University Hospital, Toulouse

Study Design

Allocation
NON_RANDOMIZED
Purpose
OTHER
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2020-09-09
Primary Completion
2022-12-06
Completion
2022-12-06

Countries

  • France

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04481633 on ClinicalTrials.gov