期刊
CURRENT OPINION IN ONCOLOGY
卷 22, 期 5, 页码 473-480出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/CCO.0b013e32833b5126
关键词
BRCA1; BRCA2; homologous recombination; ovarian cancer; PARP inhibitors; targeted therapies
类别
资金
- Cancer Research U.K
- Experimental Cancer Medicine Centre
- National Institute for Health Research Biomedical Research Centre
Purpose of review Ovarian cancer remains the gynaecological malignancy with the highest mortality in the Western world. The strategy of identifying biologically distinct subgroups of ovarian cancer by means of clinical characteristics, histology and molecular profiling is an exciting prospect in personalizing and improving therapy for ovarian cancer. Recent findings Preclinical recognition that BRCA1 and BRCA2-associated tumours are very sensitive to inhibition of poly-ADP ribose polymerase (PARP), a key molecule in DNA repair, led to ovarian cancer patients with germline BRCA1 and BRCA2 mutations being treated with the PARP inhibitor olaparib (AZD2281, KU-0059436; KuDOS/Astra-Zeneca). The initial trials of olaparib in this patient population demonstrated an impressive rate of clinical benefit. Furthermore, tumours from patients with sporadic ovarian cancer have been found to commonly have somatic BRCA1 and BRCA2 mutations or other defects in DNA repair, with the implication that PARP inhibition may also have a role in treating these patients. Summary In this review, we discuss DNA repair mechanisms and strategies used to target them in oncology, our current experience with PARP inhibition in BRCA1 and BRCA2-mutation associated and sporadic ovarian cancer, as well as current issues in the clinical development of these agents.
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