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Study details
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Abatacept in Immune Checkpoint Inhibitor Myocarditis Trial

Massachusetts General Hospital
NCT IDNCT05335928ClinicalTrials.gov data as of Apr 2026
Phase

Phase 3

Target enrollment

390

Study length

about 4.8 years

Ages

18+

Locations

29 sites in CA, DC, FL +18

About this study

This trial is testing whether abatacept, as compared to placebo, reduces major adverse cardiac events (MACE) in adults hospitalized with myocarditis caused by immune checkpoint inhibitors. MACE includes cardiovascular death, sudden cardiac arrest, cardiogenic shock, significant arrhythmias, or incident heart failure.

Based on ClinicalTrials.gov records.

What participants do

  • 1.Take Abatacept plus
  • 2.Take Placebo
PhasePhase 3
DrugAbatacept
Routeinjection
Primary goalMajor adverse cardiac events

Participation effort

Estimated from trial records. Details can vary by site.

Time + visits
Low14%
Logistics
Moderate50%

Logistics difficulty varies by site location and availability.

Trial highlights

Treatment details

Auto-extracted from trial records to preview treatments and outcomes.

Drug classes

abatacept

Drug routes

injection, intravenous

Endpoints

Primary: Major adverse cardiac events

Secondary: Other immune-related adverse events between the two groups

Body systems

Oncology