ArticleActa oncologica (Stockholm, Sweden)2026
Cardiotoxicity, survival, and dexrazoxane use in patients with soft tissue sarcoma: a Danish population‑based cohort study.
Article in Acta oncologica (Stockholm, Sweden), 2026. 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 purposeAnthracycline-associated cardiotoxicity is a challenge that dexrazoxane may reduce. The aim of this study was to report the overall survival (OS), incidence of cardiotoxicity and dexrazoxane use in a Danish population-based cohort of patients with soft tissue sarcoma (STS) treated with doxorubicin, olaratumab and dexrazoxane. PATIENTS/MATERIAL AND
methodsWe performed a retrospective study of adults (≥18 years) with locally advanced or metastatic STS treated with doxorubicin, olaratumab and dexrazoxane between 2015 and 2019 at Herlev University Hospital (Herlev) and Aarhus University Hospital (Aarhus). Dexrazoxane was administered from cycle 1 at Herlev and from cycle 4 at Aarhus. OS was measured from doxorubicin initiation to death. Cardiotoxicity was defined as a >10 percentage‑point decline in left ventricular ejection fraction to <50% compared with baseline.
resultsIn total, 106 patients were included: 71 patients (67%) from Herlev and 35 (33%) from Aarhus. Mean age was 59 years, 59% were female. Median OS was 18 months (95% confidence interval [CI]: 11.0-20.7) and median cumulative doxorubicin dose was 320.7 mg/m² (range: 37.5-605.4). Dexrazoxane was administered to 68 patients (96%) at Herlev and 18 (51%) at Aarhus. Seven patients (7%) developed cardiotoxicity (Herlev n = 4; Aarhus n = 3). Median OS was 19.6 months at Herlev and 14.8 months at Aarhus (p = 0.24). Neutropenic fever occurred in 27 patients (38%) at Herlev and six patients (17%) at Aarhus (p = 0.88).
interpretationDoxorubicin with olaratumab and dexrazoxane resulted in a low incidence of cardiotoxicity and OS was consistent with previously reported.
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