Helsinn, MEI Pharma Agree to Develop Leukemia Drug
Helsinn and MEI Pharma have entered into a licensing, development and commercialization agreement for pracinostat, a Phase 3-ready drug candidate for treating acute myeloid leukemia (AML) and other potential indications. Under the agreement, Helsinn will get exclusive worldwide rights, including manufacturing and commercialization rights, and will be responsible for funding the product’s global development. MEI Pharma will receive near-term payments of $20 million, and will be eligible to receive up to $444 million in potential development, regulatory and sales-based milestone payments. As part of the development and commercialization agreement, the companies will also collaborate to explore an optimal dosing regimen of pracinostat in combination with azacitidine for treating high-risk myelodysplastic syndrome.
Pracinostat is an oral histone deacetylase inhibitor. FDA recently granted a breakthrough therapy designation for pracinostat in combination with azacitidine for treating patients with newly diagnosed AML who are 75 years of age or older or unfit for intensive chemotherapy. The designation was supported by data from a Phase 2 study which showed a median overall survival of 19.1 months and a complete response rate of 42%, the company says.