Could a targeted immune blocker tame a deadly heart side effect of cancer drugs?

NCT ID NCT05195645

First seen Jul 16, 2026 · Last updated Jul 17, 2026 · Updated 1 time

Summary

This phase 2 trial tests whether the drug abatacept can safely and effectively treat severe heart inflammation (myocarditis) caused by immune checkpoint inhibitors, a type of cancer immunotherapy. The study enrolls adults with any cancer who develop this rare but often fatal heart complication. Researchers will test three different doses of abatacept to find the lowest dose that adequately blocks a specific immune signal, aiming to calm the overactive immune response without harming the anti-cancer effect.

What this could mean

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

Active substance
abatacept (also known as Orencia), given by intravenous injection
What this could lead to
If successful, this could provide a targeted treatment for a rare but often fatal heart complication from cancer immunotherapy, potentially saving lives.
What could go wrong
This is a small, early-phase dose-finding trial with only 21 participants, so results may not apply broadly. Abatacept also suppresses the immune system, which could reduce the anti-cancer effect of the immunotherapy.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Get updates

Get notified about this study

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

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Hôpital Pitié Salpêtrière

    Paris, 75013, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.