INREBIC® (Fedratinib) August 17, 2019April 5, 2020 RR FDA Approvals Myelofibrosis The FDA on August 16, 2019 approved INREBICĀ® for adults with intermediate-2 or high-risk Primary or Secondary (post-Polycythemia Vera or post-Essential Thrombocythemia) Myelofibrosis (MF). INREBICĀ® is a product of Impact Biomedicines, Inc. Related Posts:FDA Approves INREBIC® for Myelofibrosis