Randomized study of continuous high-dose Lenalidomide, sequential Azacitidine and Lenalidomide, or azacitidine in persons 65 years and over with newly-diagnosed acute myeloid leukemia

Bruno C. Medeiros, Kelly McCaul, Suman Kambhampati, Daniel A. Pollyea, Rajat Kumar, Lewis R. Silverman, Andrea Kew, Lalit Saini, C. L. Beach, Ravi Vij, Xiwei Wang, Jim Zhong, Robert Peter Gale

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14 Scopus citations

Abstract

Therapy of acute myeloid leukemia in older persons is associated with poor outcomes because of intolerance to intensive therapy, resistant disease and co-morbidities. This multi-center, randomized, open-label, phase II trial compared safety and efficacy of three therapeutic strategies in patients 65 years or over with newly-diagnosed acute myeloid leukemia: 1) continuous high-dose lenalidomide (n=15); 2) sequential azacitidine and lenalidomide (n=39); and 3) azacitidine only (n=34). The efficacy end point was 1-year survival. Median age was 76 years (range 66-87 years). Thirteen subjects (15%) had prior myelodysplastic syndrome and 41 (47%) had adverse cytogenetics. One-year survival was 21% [95% confidence interval (CI): 0, 43%] with high-dose lenalidomide, 44% (95%CI: 28, 60%) with sequential azacitidine and lenalidomide, and 52% (95%CI: 35, 70%) with azacitidine only. Lenalidomide at a continuous high-dose schedule was poorly-tolerated resulting in a high rate of early therapy discontinuations. Hazard of death in the first four months was greatest in subjects receiving continuous high-dose lenalidomide; hazards of death thereafter were similar. These data do not favor use of continuous high-dose lenalidomide or sequential azacitidine and lenalidomide over the conventional dose and schedule of azacitidine only in patients aged 65 years or over with newly-diagnosed acute myeloid leukemia.

Original languageEnglish
Pages (from-to)101-106
Number of pages6
JournalHaematologica
Volume103
Issue number1
DOIs
StatePublished - Jan 2018

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