PARIS, FRANCE, 19 December 2025 - Ipsen (Euronext: IPN; ADR: IPSEY) today announced that the pivotal Phase II FALKON trial did not meet its primary endpoint of reducing new heterotopic ossification (HO) in adults and children living with fibrodysplasia ossificans progressiva (FOP) vs. placebo, as a result the study will be closed. The investigational medicinal product (fidrisertib) was generally well tolerated, with no safety concerns in the trial. “These results are disappointing for the FOP community and ...