ASH Clinical News June 2015 | Page 33

Inhibit the JAK pathway* in polycythemia vera not controlled with hydroxyurea 1-3 Jakafi® (ruxolitinib) is the first and only FDA-approved treatment for patients who have had an inadequate response to or are intolerant of hydroxyurea3 Jakafi demonstrated superior results in a phase 3 trial vs best available therapy3,4† Primary Response at Week 323,4 80 * Ruxolitinib, a kinase inhibitor, inhibits JAK1 and JAK2 (Janus-associated kinases 1 and 2), which mediate the signaling of cytokines and growth factors important for hematopoiesis and immune function.3 A randomized, open-label, active-controlled phase 3 trial comparing Jakafi with best available therapy (BAT) in 222 patients. Best available \