RHHBY - Merck discontinues testing of experimental skin cancer combo therapy May, 13 2024 07:58 AM Roche Holding Ltd ADR 2024-05-13 07:58:54 ET Merck ( NYSE: MRK ) has discontinued the vibostolimab and pembrolizumab coformulation arm of a late-stage skin cancer trial .... For further details see: Merck discontinues testing of experimental skin cancer combo therapy