NewslettersHematopoiesis News Phase Ib Study of ABBV-744, a Novel, Selective BET Inhibitor, As Monotherapy for Patients with Myelofibrosis By Jamie Kang - May 26, 2026 0 4 Scientists reported the outcomes of a multicenter, open-label Phase Ib study of ABBV-744 in patients with myelofibrosis who received ≥1 previous lines of therapy, including a Janus kinase inhibitors. [Blood Advances] Full ArticleGraphical Abstract