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  • Title: Interim report of a phase 2 clinical trial of lenalidomide for T-cell non-Hodgkin lymphoma.
    Author: Dueck G, Chua N, Prasad A, Finch D, Stewart D, White D, van der Jagt R, Johnston J, Belch A, Reiman T.
    Journal: Cancer; 2010 Oct 01; 116(19):4541-8. PubMed ID: 20572046.
    Abstract:
    BACKGROUND: Novel therapies are needed to improve outcomes in T-cell lymphomas. The authors report the interim results of a prospective multicenter trial evaluating lenalidomide in T-cell lymphomas. METHODS: Patients with recurrent and refractory T-cell lymphomas other than mycosis fungoides and untreated patients ineligible for combination chemotherapy were prescribed oral lenalidomide (25 mg daily) on Days 1 to 21 of each 28-day cycle until disease progression, death, or unacceptable toxicity. The primary endpoint was overall response rate. Secondary endpoints were progression-free survival (PFS), overall survival (OS), and safety. The 2-stage design allows for up to 40 patients. RESULTS: At the time of this interim analysis, 24 patients were enrolled in this study, and 23 were evaluable for response. The median age was 65 years. The overall response rate was 7 (30%) of 23; all were partial responses. Two patients had stable disease for ≥5 cycles. Responses were seen in anaplastic, angioimmunoblastic, and peripheral T-cell unspecified histologies. Median PFS was 96 days (range, 8-696+ days). Median OS was 241 days (range, 8-696+ days). The most common grade 4 adverse event was thrombocytopenia (33%). The most common grade 3 adverse events were neutropenia (21%), febrile neutropenia (17%), and pain not otherwise specified (17%). Rash correlated with response to therapy (P=.003). CONCLUSIONS: In patients with recurrent and refractory T-cell lymphomas, oral lenalidomide monotherapy has clinical activity, and toxicity is consistent with the known safety profile of lenalidomide. Further study of lenalidomide in these diseases is warranted.
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