Monday, April 4, 2022

Niraparib Plus Bevacizumab Shows Promise in High-Risk Ovarian Cancer Population

 This is a shortened version of an article written by Kyle Doherty and published in OncLive March 19, 2022

Niraparib (Zejula) in combination with bevacizumab (Avastin) was efficacious following 1 line of platinum-based chemotherapy among patients with newly diagnosed advanced ovarian cancer regardless of biomarker status, according to data from an updated analysis of the phase 2 OVARIO study (NCT03326193) presented during the 2022 SGO Annual Meeting on Women’s Cancer.

Melissa Hardesty, MD, MPH, added that combination had a safety profile consistent with the known adverse effects of each treatment as monotherapy.

At the June 16, 2021, data cutoff point, patients who received the PARP inhibitor niraparib plus the vascular endothelial growth factor-A inhibitor bevacizumab (N = 105) achieved a median progression-free survival (PFS) of 19.6 months (95% CI, 16.5-25.1). The 18-month PFS rate was 62% (95% CI, 52%-71%) and the 24-month PFS rate was 53% (95% CI, 43%-63%). Median follow-up was 28.7 months (interquartile range, 23.9-32.5).

“OVARIO enrolled a high-risk population,” said Hardesty, a gynecologic oncologist with Alaska Women’s Cancer Care in Anchorage. “More than half of the patients remained progression-free at 24 months. Clinical benefit [by PFS] was observed in the overall population, and across biomarker subgroups in a continuum.”

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