From 2016 to 2021, the National Institutes of Health Stroke Trials Network funded by National Institutes of Health/National Institute of Neurological Disorders and Stroke initiated ten multicenter ...

Although Mendelian randomization techniques can involve fairly computationally intensive analyses, the fundamental principles that guide these study designs are straightforward and if understood ...

Group sequential designs, which allow early stopping for efficacy or futility, may benefit from balanced sample sizes at interim and final analyses. This requirement ...

1 Department of Biostatistics, University of the Free State, Bloemfontein, South Africa 2 Department of Statistical Sciences, University of Padua, Padua, Italy Ensuring patient safety is paramount in ...

However, randomized trials and Mendelian randomization studies have very different study designs and scientific objectives. As a result, despite sometimes being referred to as "nature's randomized ...

Chronic Physical Effects and Health Care Utilization in Long-Term Ovarian Germ Cell Tumor Survivors: A Gynecologic Oncology Group Study Enrichment based on molecular characteristics has emerged as an ...

Two-stage randomization designs (TSRD) are becoming increasingly common in oncology and AIDS clinical trials as they make more efficient use of study participants to examine therapeutic regimens. In ...