Azacitidine-lenalidomide (ViLen) combination yields a high response rate in higher risk myelodysplastic syndromes (MDS)-ViLen-01 protocol | Aplastic Anemia & MDS International Foundation Return to top.

Azacitidine-lenalidomide (ViLen) combination yields a high response rate in higher risk myelodysplastic syndromes (MDS)-ViLen-01 protocol

Journal Title: 
Ann Hematol
Primary Author: 
Mittelman M
Author(s): 
Mittelman M, Filanovsky K, Ofran Y, Rosenbaum H, Raanani P, Braester A, Goldschmidt N, Kirgner I, Herishanu Y, Perri C, Ellis M, Oster HS; Israel Myelodysplastic Syndrome Working Group
Original Publication Date: 
Monday, August 22, 2016

Azacitidine treatment is effective in higher risk MDS (HR-MDS), with less than 50 % response, lasting 2 years. Aza and lenalidomide (Len) have a potential synergistic effect. ViLen-01 phase IIa trial includes 6-month induction (Aza 75 mg/m2/day, days 1-5, Len 10 mg/day, days 6-21, every 28 days), 6-month consolidation (Aza 75 mg/m2/day, days 1-5, every 28 days), and 12-month maintenance (Len 10 mg/day, days 1-21, every 28 days). Response was evaluated according to IWG criteria. Totally, 25 patients enrolled, with an average of 76.3 years old (60-87), and 88 % with major comorbidities. Thirteen patients completed induction, 7 proceeded for consolidation, and 2 for maintenance. The overall response rate (ORR) was 72 % (18/25), with 6 (24 %) for CR, 3 (12 %) for marrow CR, and 9 (36 %) for hematologic improvement (HI). The 7 non-responding patients were on the study 3 days to 4.1 months. At 6 months, 4 of 6 evaluable patients achieved complete cytogenetic response and 2 with del (5q) at diagnosis. Adverse events (AEs) were as expected in these patients: grades III-IV, mainly hematologic-thrombocytopenia (20 patients) and neutropenia (13 patients). The common non-hematologic AEs were infections (14 patients), nausea (7), vomiting (7), diarrhea (7), and skin reactions (5). The median progression-free survival (PFS) was 12 ± 1.36 months, with median overall survival (OS) of 12 ± 1.7 months. Quality of life (FACT questionnaire) data were available for 12 patients with a tendency towards improved QoL. This trial with elderly HR-MDS patients with an expected poor prognosis demonstrates a high (72 %) response rate and a reasonable expected safety profile but a relatively short PFS and OS.

Bone Marrow Disease(s): 
  • myelodysplastic syndromes (MDS)
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