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Lucia Musacchio,1 Giuseppe Caruso,1 Carmela Pisano,2 Sabrina Chiara Cecere,2 Marilena Di Napoli,2 Laura Attademo,2 Rosa Tambaro,2 Daniela Russo,3 Daniela Califano,3 Innocenza Palaia,1 Ludovico Muzii,1 Pierluigi Benedetti Panici,1 Sandro Pignata2 1Department of Maternal and Child Health and Urological Sciences, University “Sapienza”, Policlinico Umberto I, Rome, Italy; 2Department of Urology and Gynecology, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, Naples, Italy; 3Functional Genomic Unit, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, Naples, ItalyCorrespondence: Sandro PignataDepartment of Urology and Gynecology, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, Via Semmola, Naples 80131, ItalyTel +39 0815903409Fax +39 0815903861Email s.pignata@istitutotumori.na.itAbstract: Advanced, recurrent and metastatic endometrial cancer (EC) has a dismal prognosis due to poor response rates to conventional treatments. In the era of precision medicine, the improved understanding of cancer genetics and molecular biology has led to the development of targeted therapies, such as poly (ADP-ribose) polymerase (PARP) inhibitors. This class of drugs that inhibit PARP enzymes has been investigated in many different types of tumors and its use in the treatment of gynecological malignancies has rapidly increased over the past few years. Data from several clinical trials showed that PARP inhibitors have a beneficial role in cancers with a defect in the homologous DNA recombination system, regardless of the BRCA mutational status. Since EC frequently shows mutations in PTEN and TP53 genes, indirectly involved in the homologous DNA recombination pathway, several in vivo and in vitro studies investigated the efficacy of PARP inhibitors in EC, showing promising results. This review will discuss the use of PARP inhibitors in endometrial cancer, summarizing data from preclinical studies and providing an overview of the ongoing trials, with a special focus on the development of combined treatment strategies with PARP inhibitors and immune checkpoint inhibitors.Keywords: endometrial cancer, PARP inhibitors, PTEN mutation, P53 mutation, homologous recombination deficiency, immune checkpoint inhibitors |
