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Niraparib Approved in Europe for Ovarian Cancer

Jason Harris
Published: Wednesday, Nov 22, 2017

Across cohorts, 14.7% of 367 niraparib-treated patients discontinued therapy due to an adverse event (AE) compared with 2.2% of the 179 patients in the placebo arm. There were no treatment-related deaths in the study. In the follow-up period, 1 patient in the niraparib arm and 2 in the placebo group died of myelodysplastic syndrome or acute myeloid leukemia. One of these deaths in each arm was deemed to be treatment related.

The most common all-grade AEs for niraparib versus placebo, respectively, were nausea (73.6% vs 35.2%, respectively), thrombocytopenia (61.3% vs 5.6%), fatigue (59.4% vs 41.3%), anemia (50.1% vs 6.7%), constipation (39.8% vs 20.1%), vomiting (34.3% vs 16.2%), and neutropenia (30.2% vs 6.1%).

The most common grade 3/4 AEs in the niraparib arm were hematologic, and included thrombocytopenia (33.8%), anemia (25.3%), and neutropenia (19.6%). The most common non-hematologic AEs were hypertension (8.2%), fatigue (8.2%), and nausea (3%). A majority of hematologic AEs were experienced in the first 3 cycles.

“With the introduction of Zejula, treatment of women with recurrent ovarian cancer will improve markedly,” Andreas Du Bois, MD, PhD, center director of Gynecology & Gynecologic Oncology, Kliniken Essen-Mitte, said in a press release. “Patients and their physicians are now empowered with an additional option to utilize after a response to chemotherapy, regardless of BRCA mutation status, where the previous alternative for most was a period of watching and waiting instead of actively controlling their disease.” Mutliple References:

References

  1. Mirza MR, Monk BJ, Oza A, et al. A randomized, double-blind phase 3 trial of maintenance therapy with niraparib vs placebo in patients with platinum-sensitive recurrent ovarian cancer (ENGOT-OV16/NOVA trial). Presented at: 2016 ESMO Congress; October 7-11, 2016; Copenhagen, Denmark. Abstract LBA3_PR.
  2. Mirza MR, Monk B, Herrstedt J, et al. Niraparib maintenance therapy in platinum-sensitive recurrent ovarian cancer [published online October 8, 2016]. N Engl J Med. 10.1056/NEJMoa1611310.



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Oncology Best Practice™: Expert Perspectives to Incorporate Evidence on PARP Inhibitors into Practice and Optimize the Medical Management of Ovarian CancerOct 31, 20181.0
Community Practice Connections™: Precision Medicine for Community Oncologists: Assessing the Role of Tumor-Testing Technologies in Cancer CareNov 30, 20181.0
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