The Case Against 2:1 Randomization: Why Equal Allocation Still Wins
Two-to-one (2:1) randomization has become a common feature in clinical trial design, particularly in oncology, often under the belief that it helps recruit more patients by increasing the chances of receiving the experimental treatment. But according to Freidlin and Korn in their recent JCO Oncology Practice article, this practice may be more problematic than promising. … Read more