Molecular and clinical determinants of response and resistance to rucaparib for recurrent ovarian cancer treatment in ARIEL2 (Parts 1 and 2)

Elizabeth M. Swisher, Tanya T. Kwan, Amit M. Oza, Anna V. Tinker, Isabelle Ray-Coquard, Ana Oaknin, Robert L. Coleman, Carol Aghajanian, Gottfried E. Konecny, David M. O’Malley, Alexandra Leary, Diane Provencher, Stephen Welch, Lee may Chen, Andrea E. Wahner Hendrickson, Ling Ma, Prafull Ghatage, Rebecca S. Kristeleit, Oliver Dorigo, Ashan MusaferScott H. Kaufmann, Julia A. Elvin, Douglas I. Lin, Setsuko K. Chambers, Erin Dominy, Lan Thanh Vo, Sandra Goble, Lara Maloney, Heidi Giordano, Thomas Harding, Alexander Dobrovic, Clare L. Scott, Kevin K. Lin, Iain A. McNeish

    Résultats de recherche: Contribution à un journalArticleRevue par des pairs

    115 Citations (Scopus)

    Résumé

    ARIEL2 (NCT01891344) is a single-arm, open-label phase 2 study of the PARP inhibitor (PARPi) rucaparib in relapsed high-grade ovarian carcinoma. In this post hoc exploratory biomarker analysis of pre- and post-platinum ARIEL2 samples, RAD51C and RAD51D mutations and high-level BRCA1 promoter methylation predict response to rucaparib, similar to BRCA1/BRCA2 mutations. BRCA1 methylation loss may be a major cross-resistance mechanism to platinum and PARPi. Genomic scars associated with homologous recombination deficiency are irreversible, persisting even as platinum resistance develops, and therefore are predictive of rucaparib response only in platinum-sensitive disease. The RAS, AKT, and cell cycle pathways may be additional modulators of PARPi sensitivity.

    langue originaleAnglais
    Numéro d'article2487
    journalNature Communications
    Volume12
    Numéro de publication1
    Les DOIs
    étatPublié - 1 déc. 2021

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