Randomized phase II trial of bevacizumab plus everolimus versus bevacizumab alone for recurrent or persistent ovarian, fallopian tube or peritoneal carcinoma: An NRG oncology/gynecologic oncology group study
2018
Abstract Purpose Bevacizumab (BV) monotherapy leads to compensatory upregulation of multiple signaling pathways, resulting in mTOR activation. We evaluated combining BV and everolimus (EV), an mTOR kinase inhibitor, to circumvent BV-resistance in women with recurrent or persistent ovarian, fallopian tube or primary peritoneal cancer (OC). Patients and methods Eligible OC patients had measurable (RECIST1.1) or detectable disease, 1–3 prior regimens, performance status (PS) 0–2, and no prior m-TOR inhibitor. All patients received BV 10 mg/kg IV every 2wks. Patients were randomized (1:1) to oral EV (10 mg daily) or placebo stratified by platinum-free interval (PFI), measurable disease and prior BV. Primary endpoint was progression-free survival (PFS); secondary endpoints included safety and response. Results 150 patients were randomized to BV with (n = 75) and without (n = 75) EV. Arms were well-balanced for age (median 63: range 28–92), PS (0: 73%, 1–2: 27%), prior regimens (1: 37%, 2: 47%, 3: 16%), prior BV (11%), PFI ( Conclusion The combination regimen (BV + EV) did not significantly reduce the hazard of progression or death relative to BV and was associated with higher rates of adverse events and study discontinuation when compared to BV alone.
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