Merck KGaA is exercising its option for a global license to commercialize Abbisko Therapeutics Co. Ltd.’s pimicotinib for $85 million. As previously reported by BioWorld, Abbisko out-licensed China rights to its colony-stimulating factor 1 receptor inhibitor, pimicotinib, to Merck in a deal worth up to $605.5 million in December 2023.