Global study aims to uncover best treatments for Immunotherapy-Linked heart condition
NCT ID NCT07633587
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
ATROPOS is an international study collecting data from 1,500 cancer patients who developed heart inflammation (myocarditis) after receiving immune checkpoint inhibitors. Researchers will analyze how different immunosuppressive treatments, such as steroids, affect survival rates at 30, 90, and 360 days. The goal is to identify which treatment strategies are linked to better outcomes, helping guide future care for this serious side effect.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this study could identify which immunosuppressive treatments are linked to better survival in patients with this rare heart condition caused by cancer immunotherapy.
- What could go wrong
- This is an observational study, not a controlled trial, so it can show associations but not prove cause and effect. Results may be affected by unmeasured factors or differences in patient care across countries.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 1,500 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2026
- Expected to finish
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Oct 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Cancer patients exposed to immune checkpoint inhibitors and recorded in a REDCap international ICI-Myocarditis registry, including cases with clinical, biomarker, ECG, imaging, treatment, complication and mortality/outcome data sufficient for the planned survival analyses.
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * cancer patients exposed to at least one immune checkpoint inhibitor * possible, probable or definite immune checkpoint inhibitor-associated myocarditis recorded in the international registry according to registry/adjudication definitions * available index-date/presentation information * available mortality follow-up. Exclusion Criteria: * duplicate records * not enough data to classify as myocarditis * record/patient withdrawn from research use unresolved data-quality issues preventing inclusion in the final SAP-defined analysis set.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Hopital Pitie-Salpetriere / CIC-2503
RECRUITINGParis, France