Clinical Trials to Test the Effectiveness of Treatment, Preventive, and Services Interventions (R01 Clinical Trial Required). This NOFO is a key element of NIMHs set of NOFOs to support clinical trials research across the intervention development and testing pipeline. The NOFO supports (1) clinical trials to test the effectiveness of optimized therapeutic and preventive interventions for use in community and practice settings; and (2) clinical trials to evaluate the effectiveness of patient-, provider-, organizati...