New drug aims to tame rare immune storms

NCT ID NCT04641442

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This phase 2 study tests a drug called MAS825 in 17 people with rare genetic conditions that cause severe inflammation. The goal is to see if the drug can prevent disease flares better than a placebo. Participants will be monitored for safety and effectiveness over several periods.

What this could mean

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

Active substance

MAS825

What this could lead to

If successful, this could provide a new treatment option to control flares in rare, severe autoinflammatory diseases.

What could go wrong

This is a small early-phase trial with only 17 participants, so results may not apply broadly. The drug may not prevent flares or could cause side effects.

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 NLRC4-GOF, AIFEC (AUTOINFLAMMATION WITH INFANTILE ENTEROCOLITIS), XIAP DEFICIENCY, CDC42 MUTATIONS are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

enterocolitis periodic fever-infantile enterocolitis-autoinflammatory syndrome X-linked lymphoproliferative disease due to XIAP deficiency

As listed by the trial registrant

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

Contacts and locations

Locations

  • Bambino Gesu Hospital

    Roma, RM, 00165, Italy

  • Centrum detske revmatologie a autoinflamatornich onemocneni

    Prague, CZ, 121 00, Czechia

  • Children´s Hospital of Philadelphia

    Philadelphia, Pennsylvania, 19104, United States

  • Cincinnati Children's Hospital

    Cincinnati, Ohio, 45229, United States

  • Great Ormond Street Hospital

    London, WC1N 3JH, United Kingdom

  • Novartis Investigative Site

    Prague, 128 08, Czechia

  • Novartis Investigative Site

    Paris, 75970, France

  • Novartis Investigative Site

    Chiba, 266-0007, Japan

  • Novartis Investigative Site

    Madrid, 28046, Spain

  • Novartis Investigative Site

    London, NW3 2QG, United Kingdom

  • Seattle Children´s Hospital

    Seattle, Washington, 98105, United States

  • Texas Children´s Hospital

    Houston, Texas, 77030, United States

  • Ustav Imunologie 2 LF UK a FN Motol

    Prague, 150 06, Czechia