RecruitingPhase 2Drug trialRopeginterferon Alfa 2b for Early MyelofibrosisDIPSS Low/Intermediate-1 Risk MyelofibrosisThis is a multi-centre phase 2 open-label prospective study designed to assess the efficacy and safety of ropeg patients with pre-fibrotic primary myelofibrosis or DIPSS low/intermediate-1 risk myelofibrosis after 24 months of treatment.