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Nat Rev Clin Oncol. 2018 Sep;15(9):564-576. doi: 10.1038/s41571-018-0055-6.

Synthetic lethal therapies for cancer: what's next after PARP inhibitors?

Author information

1
UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, CA, USA. Alan.Ashworth@ucsf.edu.
2
The CRUK Gene Function Laboratory and Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK. Chris.Lord@icr.ac.uk.

Abstract

The genetic concept of synthetic lethality has now been validated clinically through the demonstrated efficacy of poly(ADP-ribose) polymerase (PARP) inhibitors for the treatment of cancers in individuals with germline loss-of-function mutations in either BRCA1 or BRCA2. Three different PARP inhibitors have now been approved for the treatment of patients with BRCA-mutant ovarian cancer and one for those with BRCA-mutant breast cancer; these agents have also shown promising results in patients with BRCA-mutant prostate cancer. Here, we describe a number of other synthetic lethal interactions that have been discovered in cancer. We discuss some of the underlying principles that might increase the likelihood of clinical efficacy and how new computational and experimental approaches are now facilitating the discovery and validation of synthetic lethal interactions. Finally, we make suggestions on possible future directions and challenges facing researchers in this field.

PMID:
29955114
DOI:
10.1038/s41571-018-0055-6
[Indexed for MEDLINE]

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