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Current status and future prospects of PARP inhibitor clinical trials in ovarian cancer

Authors Jiang X, Li W, Li X, Bai H, Zhang Z

Received 5 January 2019

Accepted for publication 7 April 2019

Published 10 May 2019 Volume 2019:11 Pages 4371—4390

DOI https://doi.org/10.2147/CMAR.S200524

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Melinda Thomas

Peer reviewer comments 2

Editor who approved publication: Dr Alexandra R. Fernandes


Xuan Jiang, Weihua Li, Xiaoying Li, Huimin Bai, Zhenyu Zhang

Department of Obstetrics and Gynecology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of China

Abstract: Poly (ADP-ribose) polymerase (PARP) inhibitors are a class of targeted agents for the treatment of solid tumors. Concurrent PARP inhibition in Breast Cancer Susceptibility Gene (BRCA)-mutated or homologous recombination-deficient tumor cells can induce “synthetic lethality”, which targets two DNA repair pathways and induces serious cytotoxicity to tumor cells without damaging normal cells. Currently, PARP inhibitors such as olaparib, rucaparib and niraparib, which improve progression-free survival, particularly in patients harboring BRCA mutations, are approved by the Food and Drug Administration (FDA) and European Medicine Agency (EMA) for the treatment of ovarian cancers. Based on the results of different clinical trials, the indications for these drugs are slightly different. PARP inhibitors have been studied both as single agents and in combination with chemotherapy, antiangiogenic agents, and ionizing radiation. This review summarizes the critical clinical trials of PARP inhibitors that have been completed, provides an overview of the ongoing trials, presents the confirmed conclusions and notes the issues that need to be addressed in future studies.

Keywords: PARP inhibitor, BRCA mutation, olaparib, rucaparib, niraparib, ovarian cancer

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