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2019 ASCO Annual Meeting!

Session: Gynecologic Cancer

Type: Poster Session

Time: Saturday June 1, 1:15 PM to 4:15 PM

Location: Hall A

Real life efficacy and safety data of bevacizumab-based front line treatment in advance or metastatic ovarian cancer patients: Focus on patients with malignant ascites—A phase IV study.

Ovarian Cancer

Gynecologic Cancer

2019 ASCO Annual Meeting

Abstract No:

Poster Board Number:
Poster Session (Board #385)

J Clin Oncol 37, 2019 (suppl; abstr 5562)

Author(s): Michail Nikolaou, Nikolaos Ziras, Ilias Athanasiadis, Alexandros Ardavanis, Michael Vaslamatzis, Nikolaos K. Kentepozidis, Paris Makrantonakis, Athina Christopoulou, Vasiliki Michalaki, Aristidis Polyzos, Christos E. Emmanouilides, Nikolaos Vardakis, Athanasios Kotsakis, Vassilis Georgoulias; Hellenic Oncology Research Group (HORG), Athens, Greece; Hellenic Oncology Research Group (HORG), Athens, AZ, Greece

Abstract Disclosures


Background: The standard of care for Epithelial Ovarian cancer (EOC) is the combination of a taxane plus a platinum compound (TC) whereas the addition of bevacizumab (bev) to this regimen (TC-bev) has been shown to improve the PFS. Patients (pts) with ascites have more aggressive disease and less overall survival. The aim of the study was to evaluate the safety of the TC/bev regimen in the real life clinical practice. Methods: A multi-center observational study, approved by the ethics committees of the participating centers, including 314 pts with stage III/IV EOC, was conducted (11.2011-06.2014) in Greece. Two independent cohorts, with similar clinico-pathologic characteristics, were treated with front-line TC (n = 109) or TC/bev (n = 205) according to the physician’s choice. 83 (40.5%) and 40 (36.7%) in the TC/bev and TC groups presented with ascites. Results: Disease control was achieved in 90.7% and in 78.9% of patients treated with TC/bev and TC, respectively (p = 0.003). Pts with ascites treated with TC/bev experienced a better overall response rate (ORR) (68.7% Vs 55%) and less progression disease (PD) compared to patients receiving TC (13.2% Vs 30.8%). The median PFS in all pts was 21.5mo and 12.4mo (p < 0.001) and median PFS in ascites pts was 18.1mo and 10.3mo in the TC/bev and TC cohort , respectively (p < 0.001). The median OS was not reached in the TC/bev group and it was 36.9mo in the TC group, (p = 0.059) while in the ascites pts also has not reached and it is 22.5m, respectively (p = 0.023). The 3 year survival rate in all pts was 59.4% and 50.4% and in ascites pts was 55.3% and 30% in the TC/bev and TC respectively. Neutropenia was the most common grade 3/4 adverse event in 16.6% and 9.1% in TC/bev- and TC- treated patients (p = 0.072) with no other adverse events > 5%. Conclusions: These real life data demonstrate that the combination of TC/bev represents an active and well tolerated regimen offering survival benefit in patients with stage III/IV EOC and especially in patients with ascites. Additional larger prospective studies are required to confirm these observations. Clinical trial information: NCT01982500

Other Abstracts in this Sub-Category:


1. Combination of niraparib and bevacizumab versus niraparib alone as treatment of recurrent platinum-sensitive ovarian cancer: A randomized controlled chemotherapy-free study—NSGO-AVANOVA2/ENGOT-OV24.

Meeting: 2019 ASCO Annual Meeting Abstract No: 5505 First Author: Mansoor Raza Mirza
Category: Gynecologic Cancer - Ovarian Cancer


2. Olaparib monotherapy versus (vs) chemotherapy for germline BRCA-mutated (gBRCAm) platinum-sensitive relapsed ovarian cancer (PSR OC) patients (pts): Phase III SOLO3 trial.

Meeting: 2019 ASCO Annual Meeting Abstract No: 5506 First Author: Richard T. Penson
Category: Gynecologic Cancer - Ovarian Cancer


3. Randomized phase II CLIO study on olaparib monotherapy versus chemotherapy in platinum-resistant ovarian cancer.

Meeting: 2019 ASCO Annual Meeting Abstract No: 5507 First Author: Adriaan Vanderstichele
Category: Gynecologic Cancer - Ovarian Cancer