Clinical lymphoma, myeloma & leukemia · 2019
Outcomes of Patients With Therapy-Related MDS After Chemoimmunotherapy for Chronic Lymphocytic Leukemia Compared With Patients With De Novo MDS: A Single-Institution Experience.
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Cooper Jason P, Khajaviyan Sirin, Smith Stephen D, Maloney David G, Shustov Andrei R, Warren Edus H, Soma Lorinda A, Lynch Ryan C, Ujjani Chaitra, Till Brian, Halpern Anna B, Gopal Ajay K, Deeg H Joachim, Scott Bart L, Shadman Mazyar
Аннотация
BACKGROUND: Patients with chronic lymphocytic leukemia (CLL) treated with chemoimmunotherapy are at increased risk of developing therapy-related (t-) myelodysplastic syndrome (MDS). It is unclear whether antecedent CLL adds prognostic value to the revised International Prognostic Scoring System (IPSS-R) for MDS. We performed a retrospective analysis to evaluate the significance of a previous CLL diagnosis as an independent adverse prognostic factor.
PATIENTS AND METHODS: We identified 18 consecutive patients with t-MDS, previously treated for CLL (CLL-MDS) from 2002 to 2016. For each CLL-MDS patient, we identified 2 control patients with de novo MDS matched for age (≤ 65 or > 65 years), IPSS-R (≤ 3 or > 3), and year of MDS diagnosis (before or after 2008). Multivariable models were developed to test for independent predictors of progression to acute myeloid leukemia (AML) and overall survival (OS).
RESULTS: Median time from CLL to MDS diagnosis was 58.8 months (range, 12-280 months) and median number of treatment lines for CLL was 1 (range, 1-5), including alkylating agents in 15 patients (83%) and fludarabine, cyclophosphamide, rituximab in 12 patients (67%). Hypomethylating agents were administered in 13 (72%) of CLL-MDS patients and 33 (91%) of de novo MDS patients. After a median follow-up of 19.2 months, OS was not different between CLL-MDS and matched de novo MDS patients. CLL-MDS patients with IPSS-R score ≤ 3 had better OS compared with those with IPSS-R score > 3. In multivariate analysis, there was no significant independent association between history of CLL OS or progression to AML.
CONCLUSION: History of CLL did not independently affect OS in t-MDS patients beyond IPSS-R score.
PATIENTS AND METHODS: We identified 18 consecutive patients with t-MDS, previously treated for CLL (CLL-MDS) from 2002 to 2016. For each CLL-MDS patient, we identified 2 control patients with de novo MDS matched for age (≤ 65 or > 65 years), IPSS-R (≤ 3 or > 3), and year of MDS diagnosis (before or after 2008). Multivariable models were developed to test for independent predictors of progression to acute myeloid leukemia (AML) and overall survival (OS).
RESULTS: Median time from CLL to MDS diagnosis was 58.8 months (range, 12-280 months) and median number of treatment lines for CLL was 1 (range, 1-5), including alkylating agents in 15 patients (83%) and fludarabine, cyclophosphamide, rituximab in 12 patients (67%). Hypomethylating agents were administered in 13 (72%) of CLL-MDS patients and 33 (91%) of de novo MDS patients. After a median follow-up of 19.2 months, OS was not different between CLL-MDS and matched de novo MDS patients. CLL-MDS patients with IPSS-R score ≤ 3 had better OS compared with those with IPSS-R score > 3. In multivariate analysis, there was no significant independent association between history of CLL OS or progression to AML.
CONCLUSION: History of CLL did not independently affect OS in t-MDS patients beyond IPSS-R score.