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Where Do We Stand on the Integration of PARP Inhibitors for the Treatment of Breast Cancer?

  • Breast Cancer (B Overmoyer, Section Editor)
  • Published:
Current Oncology Reports Aims and scope Submit manuscript

Abstract

Purpose of Review

To provide an overview of the clinical development of poly(ADP-ribose) polymerase inhibitors (PARPi) in breast cancer to date and to review existing challenges and future research directions.

Recent Findings

We summarize the clinical development of PARPi in breast cancer from bench to bedside, and discuss the results of recent phase 3 trials in patients with metastatic breast cancer (MBC) and germline mutations in BRCA1/2 (gBRCAm). We will also provide an update regarding mechanisms of action and resistance to PARPi, and review clinical trials of PARPi as monotherapy or in combination regimens.

Summary

PARPi are a novel treatment approach in persons with gBRCA1/2m-associated MBC. Going forward, the clinical applicability of these compounds outside the gBRCAm setting will be studied in greater detail. The identification of accurate predictive biomarkers of response is a research priority.

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Authors and Affiliations

  1. Division of Medical Oncology, Mayo Clinic, Rochester, MN, 55905, USA

    Narjust Duma, Roberto A. Leon-Ferre & Ciara C. O’Sullivan

  2. Department of Internal Medicine, Mayo Clinic, Rochester, MN, 55905, USA

    Kelly C. Gast & Grace M. Choong

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  1. Narjust Duma
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Correspondence to Ciara C. O’Sullivan.

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N.D., K.C.G., G.M.C., R.A.L.-F., and C.C.O. declare they have no conflict of interest.

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Duma, N., Gast, K.C., Choong, G.M. et al. Where Do We Stand on the Integration of PARP Inhibitors for the Treatment of Breast Cancer?. Curr Oncol Rep 20, 63 (2018). https://doi.org/10.1007/s11912-018-0709-7

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