National Institutes of Health logo
NIH Exploratory/Developmental Grants Phase II (R33)

Catalyze: Product Definition Medical Device Prototype Optimization

Funds refining a medical-device prototype's design, assays and research tools for heart, lung, blood or sleep disease.

OpenNational Institutes of HealthUnited States

Getting a device prototype to work once is different from getting it ready to move toward testing in people. This notice funds that refinement stage specifically.

It sits inside NHLBI's Catalyze Program's device track, and picks up where the phased R61/R33 companion notice ends. The work covers prototype testing and design modification, assay development for diagnostic disease targets, and develo…

Refinement and optimisation of an existing medical-device prototype, including design modification, assay development for diagnostic disease targets, and supporting research-tool development, for heart, lung, blood or sleep disease, under NHLBI's Catalyze Program.

CycleiHow often this grant runs — e.g. annually, on a rolling basis, or a one-off call.Multiple per year
Next deadlineiThe next date applications are due. Rolling means you can apply any time.23 Dec 2027
Decision timeiTypical time from the deadline to the funder's decision.26 weeks
Project durationiHow long the funded work is expected to run.—
Award typeiThe form of funding — grant, equity, loan, tax credit, etc.Grant
Match fundingiThe share of project costs you must cover yourself. 0% = fully funded.—
Funding pooliThe total budget available across all awards in this round.—

Sign up free to see the funding breakdown

Sign up free to see the industries in scope

Sign up free to see the full eligibility

Sign up free to see how to apply

Sign up free to see what you submit

Sign up free to see how they score you

Sign up free to see the timeline

Sign up free to see where teams trip up

Last verified: 25 Aug 2026Funder reference: RFA-HL-26-020Source: www.grants.gov