Naveen Pemmaraju, MD, The University of Texas MD Anderson Cancer Center, Houston, TX, discusses targeting the BCLxL pathway for the development of novel agents in myeloproliferative neoplasms (MPNs). A Phase I/II trial showed that the BCLxL inhibitor navitoclax, in combination with the JAK inhibitor ruxolitinib, demonstrated encouraging clinical efficacy and safety. However, in the subsequent Phase III trial (NCT04472598), while the primary endpoint of spleen volume reduction (SVR35) was met, the secondary endpoint of reduced symptom burden (total symptom score; TSS) was not achieved. In the future, Dr Pemmaraju emphasizes the importance of exploring other BCLxL inhibitors that can achieve both endpoints and be used as a suitable therapy for treating MPNs. This interview took place at the 1st Annual MPN Workshop of the Carolinas in Asheville, NC.
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