Cytocast is a Hungarian TechBio company, founded in 2019 by scientists from Pázmány Péter Catholic University, that uses AI and digital-twin-based tissue simulations to predict side effects of chemical compounds and drug candidates earlier in drug development. Its Digital Twin Platform combines deep learning-based target prediction, digital replicas of human tissues and mechanistic simulation of protein complexes, delivered through products for screening, optimization and nomination of drug candidates. The company serves pharma, biotech and CROs and has a longer-term vision for population-level and personalized patient digital twins.