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    Approval of Jakafi (ruxolitinib) Based on a Home-Grown, Patient-Reported Outcome Instrument: A Case Study

    Jakafi® (ruxolitinib) was approved 1 by the US Food and Drug Administration (FDA) on 16 November 2011 for the treatment of intermediate or high-risk myelofibrosis (MF) including primary MF, post-polycythemia vera MF (PPV-MF) and post-essential thrombocythemia MF (PET-MF). Prior to this time, there were no approved products, and therefore no precedent for regulatory endpoints in this orphan disease. MF is a highly symptomatic 2 myeloproliferative neoplasm (MPN), cha...