Cluster randomized trials (CRTs) represent a pivotal design in evaluating public health and clinical interventions where individuals are grouped into clusters (such as schools, hospitals or ...

Adjuvant Nivolumab in High-Risk Muscle-Invasive Urothelial Carcinoma: Expanded Efficacy From CheckMate 274 In this cluster-randomized clinical trial comparing 174,943 eligible residents in eight towns ...