期刊
FRONTIERS IN ONCOLOGY
卷 11, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fonc.2021.788809
关键词
PARP inhibition; ATM mutation; colorectal cancer; targeted NGS; case report
类别
PARP inhibitors are increasingly being used in cancer treatment, especially in tumors associated with BRCA deficiency. Preclinical data support their use in tumors exhibiting BRCAness or HRD, both as monotherapy and in combination with chemotherapy. This treatment approach has shown effectiveness in patients with ATM-deficient colorectal cancer.
Poly-ADP ribose polymerase (PARP) inhibitors are constantly increasing in their indications for use as anti-cancer treatment in various neoplasms, the majority of which are linked with BRCA deficiency. Preclinical data support the investigation of PARP inhibitors in other neoplasms exhibiting BRCAness or homologous recombination deficiency (HRD) as monotherapy as well as in combination with chemotherapy. With the current report we present the case of a heavily pretreated 55-year-old male patient diagnosed with stage IV ATM-deficient CRC, who was effectively treated with an off-label olaparib-irinotecan combination after exhaustion of all available treatment choices; furthermore, we discuss the existing data providing evidence for the use of PARP inhibitors in ATM-deficient CRC and encourage the implementation of next-generation sequencing (NGS) in patients with no other available treatment options.
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