Unconventional radiotherapy to enhance immunotherapy efficacy in bulky tumors: a case report

Mariangela Massaccesi, Luca Boldrini, Angela Romano, Ernesto Rossi, Giovanni Schinzari, Elisabetta Lepre, Maria Antonietta Gambacorta, Vincenzo Valentini

Risultato della ricerca: Contributo in rivistaArticolo in rivista

Abstract

Determining the most appropriate management strategy for patients with large tumor masses is a very challenging issue. Unconventional radiotherapy modalities, such as spatially fractionated radiation therapy (SFRT), are associated with dramatic responses. Recent studies have suggested that systemic immune activation may be triggered by SFRT delivery to primary tumor lesion. This report describes the case of a patient treated with a novel form of immune-sparing partially ablative irradiation (ISPART) for a bulky peritoneal metastasis from renal cell cancer, refractory to anti-PD-1 therapy (nivolumab) as third-line therapy after sequential therapy with sunitinib and cabozantinib. The observed response suggests that there may be a synergistic effect between ISPART and immunotherapy. This case report supports the inclusion of ISPART in patients presenting with bulky lesions treated with checkpoint inhibitors.
Lingua originaleEnglish
pagine (da-a)1457-1463
Numero di pagine7
RivistaImmunotherapy
Volume13
DOI
Stato di pubblicazionePubblicato - 2021

Keywords

  • Anilides
  • Antineoplastic Combined Chemotherapy Protocols
  • Carcinoma, Renal Cell
  • Dose Fractionation, Radiation
  • Female
  • Humans
  • Immunotherapy
  • Kidney Neoplasms
  • Middle Aged
  • Neoplasm Metastasis
  • Nivolumab
  • Peritoneal Neoplasms
  • Pyridines
  • Sunitinib
  • immunoradiotherapy
  • immunotherapy
  • magnetic resonance-guided radiation therapy
  • spatially fractionated radiation therapy
  • unconventional radiation therapy

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