The National Institutes of Health (NIH) is offering a funding opportunity titled "NHLBI Early Phase Clinical Trials for Therapeutics and/or Diagnostics for HLBS Disorders," aimed at supporting investigator-initiated Phase I clinical trials for heart, lung, blood, and sleep (HLBS) disorders in both adults and children. This grant (R61/R33) facilitates funding for essential preclinical activities and the execution of clinical trials, structured in two phases: the R61 phase focuses on preparatory tasks, while the R33 phase involves the actual trial conduct, guided by specific milestones. This initiative is crucial for advancing research that addresses significant health challenges associated with HLBS disorders. Interested applicants can submit proposals starting January 3, 2025, with a maximum project period of five years, and should direct inquiries to grantsinfo@nih.gov. For more details, visit the official announcement at https://grants.nih.gov/grants/guide/pa-files/PAR-25-026.html.