MAMS vs. Response-Adaptive Randomisation: A Practical Guide for Medical Device Clinical Investigations
Medical device clinical investigations, as formally regulated under FDA Investigational Device Exemption (IDE) rules or EU MDR/ISO 14155 guidelines, increasingly incorporate adaptive methodologies to improve efficiency and patient outcomes. Two primary approaches have emerged: Multi-Arm Multi-Stage (MAMS) designs, which evaluate arms at predefined milestones to drop inferior treatments or stop early for efficacy, typically maintaining a fixed allocation ratio among…