RecruitingPhase 2Drug trialNiraparib With beVAcizumab After Complete cytoreductioN in Patients With ovArian CancerRandomized, open label, phase II multicenter study to assess the efficacy niraparib versus niraparib +bevacizumab maintenance in patients with newly diagnosed stage IIIA/B/C high-grade epithelial ovarian cancer with no residual disease after frontline surgery and treatment by adjuvant platinum-basedchemotherapy +/-bevacizumab.