Naveen Pemmaraju, MD, MD Anderson Cancer Center, Houston, TX, discusses the findings of the Phase II REFINE trial (NCT03222609) of navitoclax and ruxolitinib for patients with myelofibrosis. Navitoclax is an oral small-molecule inhibitor of antiapoptotic B-cell lymphoma 2 proteins, and ruxolitinib is a Janus kinase 1/2 inhibitor. Dr Pemmaraju reports that analysis of follow-up data from 34 patients who received ruxolitinib and navitoclax demonstrates promising results with a manageable toxicity profile. At a median follow-up of 105 weeks, the median overall survival was not reached. This interview took place at the virtual European Hematology Association (EHA) Congress 2021.