Collegium Pharmaceutical Acquires ADHD Drug AZSTARYS from Corium for $650 Million on March 19, 2026 Attention deficit hyperactivity disorder AZSTARYS Collegium Pharmaceutical Dermis drug acquisition milestone payments +
Metsera Calls Pfizer's Threats 'Nonsense' as Rift Between Companies Widens on November 04, 2025 Chancery Delaware Court drug acquisition Litigation merger Metsera Novo Nordisk Obesity Pfizer regulatory approval +
GSK Acquires Phase III-Ready Liver Drug Efimosfermin for Up to $2B to Enter MASH Arena on May 14, 2025 Analog Boston Pharmaceuticals drug acquisition efimosfermin alfa fibroblast growth factor 21 Liver diseases MASH Phase III SLC17A5 gene SmithKline Beecham +