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NIH Research Project Grant

NCCIH Natural Product Mid Phase Clinical Trial

Funds the mid-phase study that settles a natural product's dose, formulation or responder group before anyone commits to a multi-site efficacy trial.

OpenNational Institutes of HealthUnited States

This is the third and last step of the natural product pathway, and the one that decides what a full efficacy trial would actually test.

The entry condition is heavy. An application must bring preliminary data showing bioavailability where that applies, and documentation that the product produces a reproducible, measurable impact on target engagement — the mechanism of action, measured. That requ…

Mid-phase clinical trials of natural products — botanicals, dietary supplements, probiotics and standardised nutritional regimens — determining optimal dose or formulation, or identifying responder and non-responder phenotypes, ahead of a future multi-site efficacy trial. Requires preliminary bioavailability and reproducible target-engagement data. Efficacy and effectiveness trials are not supported.

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.13 Nov 2026
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.$350K

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Last verified: 25 Aug 2026Funder reference: PAR-25-271Source: www.grants.gov