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- Title
Final results of a multicenter phase 1 study of lenalidomide in patients with relapsed or refractory chronic lymphocytic leukemia.
- Authors
Wendtner, Clemens-Martin; Hillmen, Peter; Mahadevan, Daruka; Bühler, Andreas; Uharek, Lutz; Coutré, Steven; Frankfurt, Olga; Bloor, Adrian; Bosch, Francesc; Furman, Richard R; Kimby, Eva; Gribben, John G; Gobbi, Marco; Dreisbach, Luke; Hurd, David D; Sekeres, Mikkael A; Ferrajoli, Alessandra; Shah, Sheetal; Zhang, Jennie; Moutouh-de Parseval, Laure; Hallek, Michael; Heerema, Nyla A; Stilgenbauer, Stephan; Chanan-Khan, Asher A
- Abstract
Based on clinical activity in phase 2 studies, lenalidomide was evaluated in a phase 2/3 study in patients with relapsed/refractory chronic lymphocytic leukemia (CLL). Following tumor lysis syndrome (TLS) complications, the protocol was amended to a phase 1 study to identify the maximum tolerated dose-escalation level (MTDEL). Fifty-two heavily pretreated patients, 69% with bulky disease and 48% with high-risk genomic abnormalities, initiated lenalidomide at 2.5 mg/day, with dose escalation until the MTDEL or the maximum assigned dose was attained. Lenalidomide was safely titrated to 20 mg/day; the MTDEL was not reached. Most common grade 3-4 adverse events were neutropenia and thrombocytopenia; TLS was mild and rare. The low starting dose and conservative dose escalation strategy resulted in six partial responders and 30 patients obtaining stable disease. In summary, lenalidomide 2.5 mg/day is a safe starting dose that can be titrated up to 20 mg/day in patients with CLL.
- Publication
Leukemia & lymphoma, 2012, Vol 53, Issue 3, p417
- ISSN
1029-2403
- Publication type
Journal Article
- DOI
10.3109/10428194.2011.618232