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Risk of Thrombocytopenia With Platelet-Derived Growth Factor Receptor Kinase Inhibitors in Cancer Patients: A
Yuan Liu1, Wenxia Sun2, Jing Li3
1Engineering Research Center for Pharmaceuticals and Equipments of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu City, Sichuan Province, P.R. China.
Abstract:
We performed a systematic review and meta-analysis to fully investigate the thrombocytopenia of platelet-derived growth factor receptor kinase inhibitors (PDGFR-TKIs) in cancer patients. Databases were searched for randomized, controlled trials (RCTs) treated with PDGFR-TKIs until January 2021. The relevant RCTs in cancer patients treated with PDGFR-TKIs were retrieved, and the systematic evaluation was conducted. Nineteen RCTs and 3962 patients were included. Our study suggests that PDGFR-TKIs significantly increased the risks of all-grade (risk ratio [RR], 5.72; 95%CI, 4.32-7.59; P < .00001; I2 = 32%) and high-grade (RR, 5.65; 95%CI, 3.28-9.75; P < .00001; I2 = 0%) thrombocytopenia in cancer patients. Sunitinib is associated with the highest risk of thrombocytopenia among the included PDGFR-TKIs. The RR of high-grade thrombocytopenia varies significantly according to treatment line and median age. The available data suggested that the use of PDGFR-TKIs was associated with a significantly increased risk of thrombocytopenia.
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