Allos Therapeutics (ALTH) Updates Phase 2 PROPEL Study At ASCO

June 1, 2009 7:10 AM EDT

At ASCO, Allos Therapeutics, Inc. (Nasdaq: ALTH) reported updated data from the Company's pivotal Phase 2 PROPEL study of pralatrexate in patients with relapsed or refractory peripheral T-cell lymphoma.

The overall response rate for pralatrexate as evaluated by central independent oncology review using International Workshop Criteria (IWC) was 28% (30 of 109 evaluable patients) with a median duration of response of 9.4 months, or 287 days. Of the 30 patients who responded to pralatraxate, 21 patients (70%) did so after cycle one of therapy. Median overall survival was 14.7 months, with 57% of responders surviving 12 months or more. The most common Grade 3/4 adverse events were thrombocytopenia, mucositis, neutropenia, and anemia, which were manageable.

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