The National Institutes of Health (NIH), through the National Heart, Lung, and Blood Institute (NHLBI), is offering a funding opportunity titled "Catalyze: Product Definition for Small Molecules, Biologics, and Combination Products." This initiative aims to support early-stage translational research focused on identifying lead compounds for therapeutic agents targeting heart, lung, blood, and sleep (HLBS) diseases, facilitating their transition into preclinical testing. Eligible applicants include a diverse range of entities such as higher education institutions, nonprofits, and government bodies, with a requirement for a non-federal cash match of at least 25% of the federal direct costs. The total anticipated funding over three years is approximately $13.4 million, with project budgets capped at $400,000 per year and a maximum project period of two years. Applications must be submitted by December 23, 2027, and further inquiries can be directed to NIH Grants Information at grantsinfo@nih.gov.