ArticleDermatologie (Heidelberg, Germany)2024
[Sarcopenia and immune-related toxicity in patients with malignant melanoma undergoing immune checkpoint inhibition].
Article in Dermatologie (Heidelberg, Germany), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
BACKGROUND AND
objectivesSarcopenia is the generalized loss of muscle strength, mass, and function. The aim was to investigate whether pretherapeutic sarcopenia, as determined by the psoas muscles, affects therapy-mediated toxicity in patients with malignant melanoma undergoing immunotherapy. PATIENTS AND
methodsMeasurement of psoas musculature was performed pretherapeutically using computed tomography at the level of the third lumbar vertebra in the axial plane in 75 patients between January 2011 and December 2020. Sarcopenia was defined using the psoas muscle index (PMI). Immune-related toxicity was retrospectively assessed.
resultsTreatment-related toxicity was recorded in 33 of the 75 patients (44%). Of these, 16 patients (36.2%) experienced dose-limiting severe events (DLT). Pretherapeutic sarcopenia was identified in 25 patients (33.3%). Comparative analysis showed that the patients with a DLT had lower PMI values compared with the patient group without a DLT (4.65 ± 1.33 vs. 5.79 ± 1.67 cm
conclusionsPretherapeutic sarcopenia measured based on the psoas muscle is not a significant predictor of immune-mediated toxicity in patients with malignant melanoma treated with immune checkpoint inhibitors. Patients with DLT have lower values for the psoas muscle parameters PMI compared to the group of patients without DLT.
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