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Portola Pharma (PTLA) Announces Positive Interim Data from AndexXa Phase 3b/4 in Acute Major Bleeding

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Portola Pharmaceuticals Announces Interim Results from Ongoing Phase 3b/4 ANNEXXA-4™ Study of Factor Xa Inhibitor Antidote AndexXa™ (andexanet alfa) in Patients with Acute Major Bleeding

August 30, 2016 4:00 AM EDT

--AndexXa Rapidly Reversed Anticoagulant Effect of Factor Xa Inhibitors; Excellent or Good Hemostasis Was Achieved in 79 Percent of Patients Over 12 Hours--

--Data Presented in Late-Breaking Science Hot Line Session at European Society of Cardiology 2016 Congress and Published in New England Journal of Medicine----Webcast with ANNEXA-4 Executive Committee Members Today at 11 a.m. ET--

SOUTH SAN FRANCISCO, Calif., Aug. 30, 2016 (GLOBE NEWSWIRE) -- Portola Pharmaceuticals Inc.® (Nasdaq: PTLA) today announced interim results from the ongoing Phase 3b/4 ANNEXA-4 study of AndexXa (andexanet alfa), a... More