Merck Announces Initiation of Pivotal Phase 2b/3 Trial Evaluating MK-8748 (Tiespectus), an Investigational Bispecific Tie2 Agonist/VEGF Inhibitor, for the Treatment of Neovascular Age-Related Macular Degeneration

RAHWAY, N.J.--(BUSINESS WIRE)--Merck (NYSE: MRK), known as MSD outside of the United States and Canada, today announced the initiation of a pivotal Phase 2b/3 trial evaluating MK-8748 (also known as Tiespectus, EYE201), a novel investigational bispecific antibody that directly activates Tie2 signaling and inhibits vascular endothelial growth factor (VEGF), for the treatment of neovascular (wet) age-related macular degeneration (NVAMD). The study, known as MALBEC, is the first trial of a broader