Can a common malaria drug stop lupus before it starts?

NCT ID NCT03030118

First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 2 times

Summary

This study tested whether hydroxychloroquine, a drug already used for lupus, could slow or prevent the disease in 187 people who had early signs but not full lupus. Participants received either the drug or a placebo for up to two years. Researchers tracked lupus symptoms, immune markers, and side effects to see if early treatment could delay progression.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

Hydroxychloroquine (also known as Plaquenil)

What this could lead to

If it works, this could point toward a way to prevent or delay lupus in people who show early signs of the disease.

What could go wrong

This is an early-stage trial with 187 participants, so results may not apply to everyone. Hydroxychloroquine can cause side effects like stomach upset or eye problems, and it may not slow lupus progression.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for SYSTEMIC LUPUS ERYTHEMATOSUS are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

systemic lupus erythematosus prevention target

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Cedars-Sinai Medical Center

    Los Angeles, California, 90048, United States

  • Medical University of South Carolina

    Charleston, South Carolina, 29425, United States

  • Northwell Health

    Great Neck, New York, 11021, United States

  • Oklahoma Medical Research Foundation

    Oklahoma City, Oklahoma, 73104, United States

  • Penn State MS Hershey Medical Center

    Hershey, Pennsylvania, 17033, United States

  • UT Southwestern Medical Center

    Dallas, Texas, 75390, United States

  • University of Colorado Anschutz Medical Campus

    Aurora, Colorado, 80045, United States