CALYX | 37,115 followers on LinkedIn. Calyx and Invicro are now Perceptive! | Calyx and Invicro are now Perceptive! Expanding on our combined 50-year history, Perceptive provides best-in-class specialist support to global pharmaceutical, biotech, and clinical research organizations, spanning the complete R&D lifecycle, from discovery and preclinical through clinical development to post marketing. Perceptive’s offerings include imaging biomarkers and core lab services, as well as innovative technologies in randomization and trial supply management (RTSM), analytics, and software.