Optimal Treatment Duration of Bevacizumab as Front-Line Therapy for Advanced Ovarian Cancer: AGO-OVAR 17 BOOST/GINECO OV118/ENGOT Ov-15 Open-Label Randomized Phase III Trial

Jacobus Pfisterer, Florence Joly, Gunnar Kristensen, Joern Rau, Sven Mahner, Patricia Pautier, Ahmed El-Balat, Jean-Emmanuel Kurtz, Ulrich Canzler, Jalid Sehouli, Martin L Heubner, Andreas D Hartkopf, Klaus Baumann, Annette Hasenburg, Lars C Hanker, Antje Belau, Barbara Schmalfeldt, Dominik Denschlag, Tjoung-Won Park-Simon, Frédéric SelleChristian Jackisch, Alexander Burges, Hans-Joachim Lück, Günter Emons, Werner Meier, Martina Gropp-Meier, Willibald Schröder, Nikolaus de Gregorio, Felix Hilpert, Philipp Harter

Abstract

PURPOSE: To compare standard versus extended duration of bevacizumab treatment in combination with front-line chemotherapy in women with newly diagnosed stage IIB-IV ovarian cancer.

METHODS: In this multicenter, open-label, randomized phase III trial (ClinicalTrials.gov identifier: NCT01462890), patients with newly diagnosed International Federation of Gynecology and Obstetrics stage IIB-IV epithelial ovarian, fallopian tube, or peritoneal cancer underwent primary cytoreductive surgery followed by six cycles of chemotherapy (paclitaxel 175 mg/m2 plus carboplatin area under the curve 5 once every 3 weeks) and bevacizumab (15 mg/kg once every 3 weeks). Patients were randomly assigned 1:1 to receive bevacizumab for either 15 or 30 months, stratified by International Federation of Gynecology and Obstetrics stage/residual tumor. The primary end point was investigator-assessed progression-free survival (PFS) according to RECIST version 1.1. Secondary end points included overall survival (OS), safety, and tolerability.

RESULTS: Between November 11, 2011, and August 6, 2013, 927 women were randomly assigned. There was no difference in PFS between treatment arms (hazard ratio, 0.99; 95% CI, 0.85 to 1.15; unstratified log-rank P = .90). Median PFS was 24.2 versus 26.0 months with standard versus extended duration of bevacizumab, respectively; restricted mean PFS was 39.5 versus 39.3 months, respectively. There was no OS difference between treatment arms (hazard ratio, 1.04; 95% CI, 0.87 to 1.23; P = .68). Serious/nonserious adverse events of special interest occurred in 29% versus 34% of patients in the standard versus experimental arms, respectively, and were consistent with the known safety profile of standard bevacizumab.

CONCLUSION: Longer treatment duration with bevacizumab for up to 30 months did not improve PFS or OS in patients with primary epithelial ovarian, fallopian tube, or peritoneal cancer. A bevacizumab treatment duration of 15 months remains the standard of care.

OriginalspracheEnglisch
ZeitschriftJournal of clinical oncology : official journal of the American Society of Clinical Oncology
Jahrgang41
Ausgabenummer4
Seiten (von - bis)893-902
Seitenumfang10
ISSN0732-183X
DOIs
PublikationsstatusVeröffentlicht - 01.02.2023

Strategische Forschungsbereiche und Zentren

  • Zentren: Universitäres Cancer Center Schleswig-Holstein (UCCSH)
  • Profilbereich: Lübeck Integrated Oncology Network (LION)

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