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Combined modality including novel sensitizers in gynecological cancers
  1. Yuedan Zhou1,
  2. Sophie Espenel2,
  3. Samir Achkar2,
  4. Alexandra Leary3,
  5. Sebastien Gouy4 and
  6. Cyrus Chargari2
  1. 1 Department of Radiation Oncology, CHU Amiens-Picardie, Amiens, Picardie, France
  2. 2 Department of Radiation Oncology, Gustave Roussy, Villejuif, France
  3. 3 Departement of Medical Oncology, Gustave Roussy Cancer Center, Villejuif, France
  4. 4 Department of Surgery, Gustave Roussy Cancer Campus, Villejuif, France
  1. Correspondence to Professor Cyrus Chargari, Gustave Roussy, 94800 Villejuif, Île-de-France, France; cyrus.chargari{at}gustaveroussy.fr

Abstract

Standard treatment of locally advanced gynecological cancers relies mainly on platinum-based concurrent chemoradiotherapy followed by brachytherapy. Current chemotherapeutic drugs are only transiently effective and patients with advanced disease often develop resistance and subsequently, distant metastases despite significant initial responses of the primary tumor. In addition, some patients still develop local failure or progression, suggesting that there is still a place for increasing the anti-tumor radiation effect. Several strategies are being developed to increase the probability of curing patients. Vaginal cancer and vulva cancer are rare diseases, which resemble cervical cancer in their histology and pathogenesis. These gynecological cancers are predominantly associated with human papilloma virus infection. Treatment strategies in other unresectable gynecologic cancers are usually derived from evidence in locally advanced cervical cancers. In this review, we discuss mechanisms by which novel therapies could work synergistically with conventional chemoradiotherapy, from pre-clinical and ongoing clinical data. Trimodal, even quadrimodal treatment are currently being tested in clinical trials. Novel combinations derived from a metastatic setting, and being tested in locally advanced tumors, include anti-angiogenic agents, immunotherapy, tumor-infiltrating lymphocytes therapy, adoptive T-cell therapy and apoptosis inducers to enhance chemoradiotherapy efficacy through complementary molecular pathways. In parallel, radiosensitizers, such as nanoparticles and radiosensitizers of hypoxia aim to maximize the effect of radiotherapy locally.

  • cervical cancer
  • vaginal neoplasms
  • radiotherapy
  • brachytherapy
  • radiation oncology

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Footnotes

  • Contributors YZ: data collection, writing. SE, SA, AL, SG, and CC: writing, reviewing.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests CC reports personal fees and non-financial support from MSD; GSK, service as an investigator for clinical trial sponsored by Roche; and service as investigator for a clinical trial supported by TherAguix. AL reports reports support for clinical trials; advisory Board; and travel to congress from Tesaro, Astrazeneca, Clovis, GSK; advisory board from Zentalis and Biocad; support for clinical trial and advisory board from Ability, advisory board from Merck Serono with institutional fees, advisory board from Seattle Genetics.

  • Provenance and peer review Commissioned; internally peer reviewed.

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