Sanofi revealed that its investigational BTK inhibitor rilzabrutinib notched a significant win in the LUNA 3 phase 3 study, hitting the primary endpoint of durable platelet response in adults with persistent or chronic immune thrombocytopenia (ITP). The study showed a significantly higher proportion of rilzabrutinib-treated patients achieved the platelet response goal compared to placebo in this difficult-to-treat ITP population.
“The LUNA 3 results reinforce rilzabrutinib’s potential to provide clinically meaningful benefits for people living with severe immune diseases like ITP,” said Houman Ashrafian, Sanofi’s head of R&D. The company expects to file regulatory submissions for rilzabrutinib in the U.S. and EU by year-end.
Rilzabrutinib received Fast Track Designation from FDA for ITP in November 2020 and also previously won Orphan Drug Designation.
The small molecule became part of Sanofi’s pipeline in 2020 via its $3.6 bil…