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Respective Roles of Surgery, Chemotherapy, and Radiation Therapy for Recurrent Pediatric and Adolescent Ependymoma: A National Multicentric Study

Desrousseaux, Jacques ; Claude, Line ; Chaltiel, Leonor ; Tensaouti, Fatima ; Padovani, Laetitia ; Bolle, Stephanie ; Escande, Alexandre ; Alapetite, Claire ; Supiot, Stéphane ; Bernier-Chastagner, Valérie ; Huchet, Aymeri ; Leseur, Julie ; Truc, Gilles ; Leblond, Pierre ; Bertozzi, Anne-Isabelle ; Ducassou, Anne ; Laprie, Anne

International journal of radiation oncology, biology, physics, 2023-10, Vol.117 (2), p.404-415 [Periódico revisado por pares]

Elsevier Inc

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  • Título:
    Respective Roles of Surgery, Chemotherapy, and Radiation Therapy for Recurrent Pediatric and Adolescent Ependymoma: A National Multicentric Study
  • Autor: Desrousseaux, Jacques ; Claude, Line ; Chaltiel, Leonor ; Tensaouti, Fatima ; Padovani, Laetitia ; Bolle, Stephanie ; Escande, Alexandre ; Alapetite, Claire ; Supiot, Stéphane ; Bernier-Chastagner, Valérie ; Huchet, Aymeri ; Leseur, Julie ; Truc, Gilles ; Leblond, Pierre ; Bertozzi, Anne-Isabelle ; Ducassou, Anne ; Laprie, Anne
  • É parte de: International journal of radiation oncology, biology, physics, 2023-10, Vol.117 (2), p.404-415
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Half of the children and adolescents treated for intracranial ependymoma experience recurrences that are not managed in a standardized manner. This study aimed to retrospectively evaluate recurrence treatments. We assessed overall survival (OS) and progression-free survival (PFS) after a first relapse in a population of patients from the Pediatric Ependymoma Photons Protons and Imaging study (PEPPI study) who were treated with surgery and radiation therapy in French Society of Childhood Cancer reference centers between 2000 and 2013. Data were analyzed using the Cox model as well as a landmark analysis at 4 months that accounted for the guarantee-time bias. The median follow-up of the whole population of 202 patients was 105.1 months, with a 10-year OS of 68.2% and PFS of 45.5%. Among the 100 relapse cases, 68.0% were local relapses, 20.0% were metastatic, and 12.0% were combined (local and metastatic). Relapses were treated by surgery (n = 79) and/or reirradiation (n = 52) and/or chemotherapy (n = 22). The median follow-up after relapse was 77.8 months. The OS and PFS at 5 years were 43.1% and 16.2%, respectively. After surgery or radiation therapy of the first relapse, OS and PFS were more favorable, whereas treatments that included chemotherapy with or without focal treatment were associated with worse OS and PFS. In the multivariate analysis, stereotactic hypofractionated reirradiation after surgery was associated with a significantly better outcome (OS, P = .030; PFS, P = .008) and chemotherapy with a worse outcome (OS, P = .028; PFS, P = .033). This analysis of relapse treatments within the PEPPI study determined that irrespective of whether the relapse was localized or metastatic, treatments that included surgery and/or reirradiation had better outcomes.
  • Editor: Elsevier Inc
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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