JAMA NetworkEvolution of the Randomized Clinical Trial in the Era of Precision Oncology

In this Original Investigation from JAMA Oncology, the authors seek to discover the characteristics that define modern randomized clinical trials (RCTs) in oncology and whether they differ from characteristics of RCTs from the preceding decades, as concerns have emerged regarding the use of putative surrogate end points, such as progression-free survival (PFS) and marginal effect sizes.