BACKGROUND: Improvement in clinical outcomes of patients with platinum-resistant disease is an unmet medical need and trials in this population are urgently needed. Checkpoint-inhibitors have already shown activity in multiple other tumor entities and ovarian cancer, especially in the combination with anti-angiogenic treatment. PRIMARY OBJECTIVE: To test if the activity of non-platinum-based chemotherapy and bevacizumab could be improved by the addition of atezolizumab. STUDY HYPOTHESIS: The addition of atezolizumab to standard non-platinum combination of chemotherapy and bevacizumab improves median overall survival from 15 to 20 months. TRIAL DESIGN: Patients are randomized to chemotherapy (paclitaxel weekly or pegylated liposomal doxorubicin) + bevacizumab + placebo vs chemotherapy + bevacizumab + atezolizumab. Stratification factors are: number of prior lines, planned type of chemotherapy, prior use of bevacizumab, and tumor programmed death-ligand 1 (PD-L1) status. MAJOR INCLUSION/EXCLUSION CRITERIA: Recurrent epithelial ovarian, fallopian tube, or primary peritoneal cancer with up to three prior therapies and a treatment-free interval after platinum of less than 6 months. Patients with three prior lines of chemotherapy are eligible irrespective of the platinum free-interval. A de novo tumor tissue sample biopsy for determination of PD-L1 status prior to randomization for stratification is mandatory. Major exclusion criteria consider bevacizumab-specific and immunotherapy-specific criteria. PRIMARY ENDPOINT: Overall survival and progression-free survival are co-primary endpoints. SAMPLE SIZE: It is planned to randomize 664 patients. TRIAL REGISTRATION: NCT03353831.

Atezolizumab in combination with bevacizumab and chemotherapy versus bevacizumab and chemotherapy in recurrent ovarian cancer - a randomized phase III trial (AGO-OVAR 2.29/ENGOT-ov34)

Lorusso D;
2020-01-01

Abstract

BACKGROUND: Improvement in clinical outcomes of patients with platinum-resistant disease is an unmet medical need and trials in this population are urgently needed. Checkpoint-inhibitors have already shown activity in multiple other tumor entities and ovarian cancer, especially in the combination with anti-angiogenic treatment. PRIMARY OBJECTIVE: To test if the activity of non-platinum-based chemotherapy and bevacizumab could be improved by the addition of atezolizumab. STUDY HYPOTHESIS: The addition of atezolizumab to standard non-platinum combination of chemotherapy and bevacizumab improves median overall survival from 15 to 20 months. TRIAL DESIGN: Patients are randomized to chemotherapy (paclitaxel weekly or pegylated liposomal doxorubicin) + bevacizumab + placebo vs chemotherapy + bevacizumab + atezolizumab. Stratification factors are: number of prior lines, planned type of chemotherapy, prior use of bevacizumab, and tumor programmed death-ligand 1 (PD-L1) status. MAJOR INCLUSION/EXCLUSION CRITERIA: Recurrent epithelial ovarian, fallopian tube, or primary peritoneal cancer with up to three prior therapies and a treatment-free interval after platinum of less than 6 months. Patients with three prior lines of chemotherapy are eligible irrespective of the platinum free-interval. A de novo tumor tissue sample biopsy for determination of PD-L1 status prior to randomization for stratification is mandatory. Major exclusion criteria consider bevacizumab-specific and immunotherapy-specific criteria. PRIMARY ENDPOINT: Overall survival and progression-free survival are co-primary endpoints. SAMPLE SIZE: It is planned to randomize 664 patients. TRIAL REGISTRATION: NCT03353831.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11699/82637
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