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Biotech / Medical : Geron Corp.
GERN 2.9300.0%Feb 7 9:30 AM EST

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From: Savant12/10/2012 11:50:13 AM
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Geron presents positive results from Phase 2 study of imetelstat in essential thrombocythemia at the American Society of Hematology Annual Meeting
Co announced positive clinical results from the Phase 2 trial of imetelstat, the company's first-in-class telomerase inhibitor, in patients with essential thrombocythemia (ET). The data, which showed rapid and durable hematologic and molecular responses in patients treated with imetelstat, were presented Sunday evening in an oral session at the 54th Annual Meeting of the American Society of Hematology in Atlanta, GA. The results from the first 14 patients enrolled in the ET study were reported. All were refractory to or intolerant of conventional therapies (hydroxyurea, anagrelide and/or interferon-alpha). Platelet counts were reduced in all patients (a 100% hematologic response rate) and normalized in 13 out of 14 patients (a 92.9% complete response rate). The allelic burden of the JAK2 V617F gene mutation decreased over time in the seven patients who had such a mutation, with substantial reductions that qualified as partial molecular responses achieved in six out of seven (85.7%) patients within three to six months of treatment with imetelstat. In the study, imetelstat was generally well tolerated. The majority of the non- hematologic adverse events were mild-to-moderate in severity, the most frequent being gastrointestinal events.
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