Last September, and in January of this year, we wrote about a suite of initiatives aimed at improving the quality and transparency of the NIH-supported research that most directly engages human participants – clinical trials. These initiatives include dedicated funding opportunity announcements for clinical trials, Good Clinical Practice training, enhanced registration and results reporting on ClinicalTrials.gov, and required use of single IRBs for multi-site studies. We are now entering the final phases of implementation of these initiatives – so, if you are contemplating research involving human subjects, please read on.