Platinum Resistance After PARPi Resistance in a gBRCAmt Recurrent Ovarian Cancer Patient: a Case Report.

Autor: Zhao, Qian, Ni, Jing, Dong, Jiayin, Cheng, Xianzhong, Xiao, Li, Xue, Qi, Xu, Xia, Guo, Wenwen, Chen, Xiaoxiang
Zdroj: Reproductive Sciences; Feb2023, Vol. 30 Issue 2, p615-621, 7p
Abstrakt: As the most lethal gynecological malignant tumor, ovarian cancer is prone to recurrence and drug resistance. Poly(ADP-ribose) polymerase inhibitors are known to be effective in ovarian cancer patients as maintenance treatment, especially in patients with BRCA mutation. The current controversy is whether the use of poly(ADP-ribose) polymerase inhibitors may affect subsequent platinum sensitivity. A Chinese female patient diagnosed with high-grade serous ovarian cancer experienced five platinum-sensitive relapses. After obtaining informed consent from the patient, we performed next-generation gene sequencing and detected a germline BRCA1 pathologic mutation. When the patient achieved partial response with platinum after the fifth platinum-sensitive relapse, exploratory posterior-line maintenance therapy was performed due to her genotype. But the patient rapidly progressed to platinum resistance after poly(ADP-ribose) polymerase inhibitor resistance. In a gBRCAmt patient with platinum-sensitive recurrent ovarian cancer, olaparib as exploratory posterior-line maintenance treatment is barely effective and may affect the response to subsequent platinum therapy. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index