Trubion Announces Acceptance of Three Presentations on Its TRU-016 Product Candidate at the 2009 ASCO Annu...( Phase 1: Encouraging Results Observed...)

Phase 1: Encouraging Results Observed in CLL Patients Treated With Low Doses of TRU-016

Preclinical Efficacy: TRU-016 is Additive or Synergistic in Combination with Established Therapeutics

Preclinical Mechanism Apoptosis in CLL Cells Occurs Via Distinct Mechanism Compared With Other Therapeutics

SEATTLE, May 14 /PRNewswire-FirstCall/ -- Trubion Pharmaceuticals, Inc. (Nasdaq: TRBN) announced today the acceptance of three data presentations on its proprietary product candidate, TRU-016, that will be given at the 2009 American Society of Clinical Oncology (ASCO) Annual Meeting May 29 through June 2 in Orlando, Fla. The presentations will include positive data from a Phase 1 clinical trial of TRU-016 for the treatment of chronic lymphocytic leukemia (CLL), a preclinical study demonstrating the additive or synergistic effects of TRU-016 in combination with other therapeutic drugs for the treatment of non-Hodgkin's lymphoma (NHL), and a preclinical study evaluating the effect of TRU-016 on direct apoptosis in CLL cells.

(Logo: http://www.newscom.com/cgi-bin/prnh/20090320/TRUBIONLOGO)

Abstract 3017 (May 31, 2009): A Phase 1 Trial of TRU-016, An Anti-CD37 Small Modular ImmunoPharmaceutical (SMIP(TM)), in Relapsed and Refractory CLL -- Early Promising Clinical Activity

As of the abstract submission, 10 patients enrolled in the Phase 1 trial had received intravenous doses ranging from 0.03 mg/kg to 3.0 mg/kg of TRU-016. Initial data from the study demonstrates the safety and early signs of efficacy of TRU-016 as shown by a reduction in tumor lymphocyte blood counts, reduction in lymph node and spleen size, and/or an improvement in hematopoiesis, or the production of red blood c
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