Atom | Single-Site Investigator-Initiated Clinical Trials (R61/R33 Clinical Trial Required)

Due Dates: October 13, 2025 (estimated application due date)

Funding Amounts: Award size and duration not yet specified; R61/R33 activity code; details to be announced in the full NOFO.

Summary: Supports investigator-initiated, single-site clinical trials (R61/R33) for therapeutic, behavioral, or prevention strategies, with emphasis on innovative trial designs relevant to NHLBI’s mission.

Key Information: This is a forecasted opportunity; applications are not yet being accepted. Notice is provided to allow time for collaboration and project planning.

Single-Site Investigator-Initiated Clinical Trials (R61/R33 Clinical Trial Required)

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