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PARP inhibitors: a tsunami of indications in different malignancies

    Gaëlle Haddad

    Hematology & Oncology Department, Faculty of Medicine, Saint Joseph University, Beirut, Lebanon

    ,
    Marie Christelle Saadé

    Hematology & Oncology Department, Faculty of Medicine, Saint Joseph University, Beirut, Lebanon

    ,
    Roland Eid

    Hematology & Oncology Department, Faculty of Medicine, Saint Joseph University, Beirut, Lebanon

    ,
    Fady Gh Haddad

    Hematology & Oncology Department, Faculty of Medicine, Saint Joseph University, Beirut, Lebanon

    &
    Hampig Raphael Kourie

    *Author for correspondence: Tel./Fax: +00 961 142 1630;

    E-mail Address: hampig.kourie@hotmail.com

    Hematology & Oncology Department, Faculty of Medicine, Saint Joseph University, Beirut, Lebanon

    Unité de Génétique Médicale, Faculty of Medicine, Saint Joseph University, Beirut, Lebanon

    Published Online:https://doi.org/10.2217/pgs-2019-0113

    The evolution of precision medicine in the field of oncology has led to a radical change in the course of malignancies. PARP inhibitors are drugs that block the activity of the PARP enzyme responsible for base excision repair and have shown significant positive response when used for tumors lacking homologous recombination, namely high efficacy among BRCA-mutated tumors. Since 2014, when olaparib received an accelerated US FDA approval in ovarian cancer, we witnessed many other FDA approvals for olaparib, rucaparib, niraparib and talazoparib. Additionally, many Phase I, II and III trials were published presenting revolutionizing results. Other ongoing trials combined PARP inhibitors with checkpoint inhibitors. We aimed in this review to state the FDA approvals for PARP inhibitors in breast, ovarian, fallopian tube and primary peritoneal cancers, report the major published trials in high impact medical journals, and mention the ongoing trials combining these drugs with checkpoint inhibitors.

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