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Relapsed rhabdomyosarcoma: treatment recommendations from the European pediatric soft tissue sarcoma study group (EpSSG).

A S Defachelles·W B Breunis·M Casanova·V Minard-Collin·R Hjadun·A Wasti·R Dávila Fajardo·S Terwisscha van Scheltinga·D Heenen·A T Heinz·M Sparber-Sauer·J H M Merks·J C Chisholm·S A Gatz
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Abstract

At least one-third of patients with localized rhabdomyosarcoma (RMS) and 60-70% of patients with metastatic RMS experience progressive disease or relapse. Following relapse, outcomes generally remain poor with limited treatment options and a high risk of subsequent recurrence. Optimal treatment requires a multidisciplinary approach incorporating chemotherapy with local control. Given the complexity of managing relapsed RMS and the challenges in developing effective treatment strategies, we aim to present clear and practical recommendations on the management of these patients across Europe. These recommendations were developed collaboratively by a group of pediatric and adolescent sarcoma experts from the European paediatric Soft Tissue Sarcoma Study Group. A careful review of the literature was performed to ensure that wherever possible recommendations are supported by the results of clinical trials or substantive retrospective reports. Such recommendations provide a standardized approach to managing relapsed cases, improving patient outcomes and offering a framework for clinicians to make informed decisions.

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HumansRhabdomyosarcomaChildNeoplasm Recurrence, LocalEuropeAdolescentSoft Tissue NeoplasmsJournal ArticleReviewPractice Guideline

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A S Defachelles, W B Breunis, M Casanova, V Minard-Collin, R Hjadun, A Wasti, R Dávila Fajardo, S Terwisscha van Scheltinga, D Heenen, A T Heinz, M Sparber-Sauer, J H M Merks, J C Chisholm, S A Gatz. 2025-09-05. Relapsed rhabdomyosarcoma: treatment recommendations from the European pediatric soft tissue sarcoma study group (EpSSG).. https://doi.org/10.1038/s41416-025-03130-1

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