• Susu Cao, Qianshan Tao, Jia Wang, Qing Zhang, and Yi Dong.
• Department of Hematology, The Second Hospital of Anhui Medical University, Hefei, P.R. China.
• Medicine (Baltimore). 2023 Nov 3; 102 (44): e34949e34949.

BackgroundTo ascertain the efficacy and safety of cladribine, cytarabine, and filgrastim-based regimen in relapsed or refractory (R/R) AML patients.MethodsClinical studies were searched in PubMed, Cochrane Library, Embase data. We selected available factors including complete remission (CR), overall response rate (ORR), overall survival (OS) to evaluate the efficacy, and early death (ED), and adverse events to evaluate safety.Results15 records with 812 R/R AML patients were finally included and analyzed using the R software. Subgroups analysis was also conducted. The pooled CR rate for CLAG regimen, CLAG-M regimen, and CLAG combined with any other drugs regimen is 56% (95% CI: 46-66), 46% (95% CI: 34-56), 44% (95% CI: 26-64), respectively. The relapsed and refractory groups showed a CR rate of 68% (95% CI: 53-80), and 51% (95% CI: 45-58) with CLAG related regimens. As risk grade decreases, the pooled CR rate increases. Regarding the safety for CLAG-related protocols, systematic review was conducted.ConclusionThe CLAG-related regimen is an effective and safe therapy for R/R AML patients, CLAG seems to have more superiority than CLAG combined therapy, though further studies including cladribine combination treatment protocols, are still needed to confirm our results further.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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