Combined immunosuppression for the treatment of idiopathic giant cell myocarditis

Vanessa V. Menghini, Vladimir Savcenko, Lyle J. Olson, Henry D. Tazelaar, G. William, Andrew Kao, Leslie T. Cooper

Research output: Contribution to journalArticlepeer-review

43 Scopus citations


Giant cell myocarditis (GCM) is a rare and frequently fatal disorder with no proven treatment. Case reports and data from a rat model of GCM suggest that immunosuppressive therapy directed against T lymphocytes may have clinical benefit. We describe a 47-year-old man with severe acute heart failure due to GCM in whom the left ventricular ejection fraction normalized and the myocardial inflammatory infiltrate resolved rapidly after treatment with muromonab-CD3, cyclosporine, azathioprine, and corticosteroids. Three previously published cases with less impressive responses to treatment including muromonab-CD3 and a critical review of the published data on immunosuppressive therapy are included in this report. The response to immunosuppressive therapy is highly variable, and direct comparisons between immunosuppressive regimens do not exist. Therefore, despite individual reports of dramatic improvement after immunosuppressive treatment, firm conclusions cannot be made about the benefit of immunosuppression for GCM. The benefits of immunosuppressive therapy must be confirmed in a prospective, randomized trial.

Original languageEnglish (US)
Pages (from-to)1221-1226
Number of pages6
JournalMayo Clinic proceedings
Issue number12
StatePublished - 1999

ASJC Scopus subject areas

  • Medicine(all)


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