STAMFORD, Conn., Oct. 21, 2025 (GLOBE NEWSWIRE) -- SpringWorks Therapeutics, Inc., a healthcare company of Merck KGaA, Darmstadt, Germany, announced today that long-term efficacy and safety data from the Phase 3 DeFi trial of OGSIVEO® (nirogacestat), an oral gamma secretase inhibitor for the treatment of adults with progressing desmoid tumors who require systemic treatment, were published in the Journal of Clinical Oncology (JCO). The long-term follow-up data from DeFi, which was a global, randomized, multi ...