期刊
CLINICAL LYMPHOMA MYELOMA & LEUKEMIA
卷 22, 期 11, 页码 E972-E980出版社
CIG MEDIA GROUP, LP
DOI: 10.1016/j.clml.2022.07.009
关键词
Angioimmunoblastic T-cell lymphoma; Epigenetic mutation; 5-azacytidine
资金
- Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI) - Ministry of Health Welfare, Korea [HR20C0025]
Retrospective study reveals that 5-azacitidine has significant efficacy in treating RR-AITL patients, especially those who have undergone fewer prior chemotherapies.
We performed the retrospective study with 15 relapsed/refractory AITL patients to assess the role of 5-azacitidine. The patients treated with 5-azacitidine showed a 40% overall response rate, and especially those who previously underwent <= 2 chemotherapies showed better ORR (60% vs. 30%). Thus, 5-azacitidine is a reasonable treatment option for RR-AITL, especially for those who previously received <= 2 chemotherapy lines. Background: Based on specific epigenetic mutation in AITL such as TET2, DNMT3A, IDH2, and RHOA, hypomethylating agents are emerging as a promising treatment option for AITL. Method: The efficacy and safety of 5-azacytidine as salvage chemotherapy were retrospectively analyzed in 15 patients with RR-AITL from 2019 to 2022. Results: During the median 6.0 months of follow-up, the overall response rate (ORR) was 40% (n = 6/15) with 2 CRs and 4 PRs. The patients who previously had received <= 2 prior chemotherapies showed higher ORR than subjects with >2 prior chemotherapies (80% vs. 20%). The 10 patients who received 5-azacitidine at the late chemotherapy lines (>2 prior chemotherapy lines) usually received less dose 5-azacitidine. And these patients discontinued treatment due to disease progression (n = 6/10, 60%) or neutropenic fever (n = 4/10, 40%). The patients who received a full dose (75 mg/m(2) for 7 days) of 5-azacitidine seemed to show better ORR than subjects (100 mg for 7 days) who did not receive an optimal dose (60.0% vs. 30.0%). The median progression-free survival (PFS) was 1.6 months, and the patients who previously had undergone <= 2 chemotherapies had better PFS compared with subjects who previously received >2 chemotherapies (P-value = .04). Conclusion: 5-azacitidine shows reasonable efficacy and manageable toxicities for patients with RR-AITL, especially those who previously received <= 2 chemotherapy lines.
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