ArticleFrontiers in immunology2025
An atypical presentation of immune checkpoint inhibitor associated myositis with normal creatine kinase: a case report.
Article in Frontiers in immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper, 1 of them a synthesis that pooled it.
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Who cites it
1 citing paper in PubMed, 1 synthesis or guideline pooled it.
- Immune checkpoint inhibitor-related myocarditis, myositis, and myasthenia gravis overlap syndrome: a single-center case series and systematic review.Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer · 2026Pooled it
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6 authors.
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Abstract
Immune checkpoint inhibitors (ICIs) have been revolutionary in the field of cancer therapeutics. Myositis is a known rheumatic immunotherapy related adverse event with a fatality rate of 26.8% when associated with myasthenia gravis and 51.3% when associated with myocarditis. Typically, creatine kinase (CK) is elevated in ICI-myositis, thus normal CK levels in such cases may delay diagnosis and treatments in such patients. We report 2 cases of patients diagnosed with ICI-myositis after ipilimumab/nivolumab treatment for metastatic renal cell carcinoma and metastatic melanoma. Their lab studies showed normal CK values but elevated aldolase, which led to the ICI-myositis diagnosis and steroid treatment. Early recognition and treatment with steroids led to symptom improvement. These 2 cases highlight an atypical presentation of ICI-myositis with normal CK but elevated aldolase levels, suggesting aldolase may be a sensitive parameter in diagnosing ICI-myositis.
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