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

Agency: National Institutes of Health

Assistance Listings: 93.837 -- Cardiovascular Diseases Research

93.233 -- National Center on Sleep Disorders Research

93.838 -- Lung Diseases Research

93.840 -- Translation and Implementation Science Research for Heart, Lung, Blood Diseases, and Sleep Disorders

93.839 -- Blood Diseases and Resources Research

Last Updated: March 18, 2026
This Notice of Funding Opportunity (NOFO) supports applications to develop and conduct investigator-initiated single site clinical trials including efficacy, comparative effectiveness, pragmatic and/or dissemination and implementation science clinical trials. Trials using innovative designs such as platform trials, adaptive, and Bayesian designs are encouraged. These trials may include ones that test different therapeutic, behavioral, dissemination and implementation science clinical trials and/or prevention strategies. Trials for which this NOFO applies must be relevant to the research mission...

Eligibility

Eligible applicants

Government

  • City or township governments
  • Special district governments
  • Public and Indian housing authorities
  • State governments
  • County governments
  • Federally recognized Native American tribal governments

Nonprofit

  • Other Native American tribal organizations
  • Nonprofits non-higher education without 501(c)(3)
  • Nonprofits non-higher education with 501(c)(3)

Education

  • Independent school districts
  • Private institutions of higher education
  • Public and state institutions of higher education

Business

  • For-profit organizations other than small businesses
  • Small businesses

Miscellaneous

  • Other

Additional information

Refer to Section III. Eligibility Information in the NOFO for additional information on eligibility.Foreign Organizations/International CollaborationsNon-domestic (non-U.S.) Entities (Foreign Organizations) are eligible to apply.Non-domestic (non-U.S.) components of U.S. Organizations are eligible to apply.Foreign components, as defined in the NIH Grants Policy Statement, are allowed.NIH will no longer issue awards (i.e., new, renewal, or non-competing continuation) to domestic or foreign entities that involve foreign subawards/subcontracts. All NIH-funded research involving foreign subawards/subcontracts must be submitted in response to a NOFO that is specifically designated for funded international collaborations. This new requirement was effective, May 1, 2025.Applications involving foreign subawards/subcontracts submitted in response to this NOFO will be deemed noncompliant and will not be considered for funding. This policy applies to all monetary international collaborations resulting in foreign subawards/subcontracts, however, it does not preclude unfunded international collaborations or foreign components, funding for foreign consultants, or procurement of unique equipment or supplies from foreign vendors.

Grantor contact information

Description

Division of Cardiovascular Sciences NHLBIDCVSClinical@mail.nih.gov

Email

NHLBIDCVSClinical@mail.nih.gov

NHLBIDCVSClinical@mail.nih.gov

Documents

File nameDescriptionLast updated
PAR-27-011-Full-Announcement.html
PAR-27-011-Full-Announcement.html
Mar 18, 2026 12:31 PM UTC

Link to additional information

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Closing: November 2, 2028

Application process

This site is a work in progress. Go to www.grants.gov to apply, track application status, and subscribe to updates.

Award

$--

Program Funding

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Expected awards

$--

Award Minimum

$--

Award Maximum

Funding opportunity number:

PAR-27-011

Cost sharing or matching requirement:

No

Funding instrument type:

Grant

Opportunity Category:

Discretionary

Opportunity Category Explanation:

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Category of Funding Activity:

Health

Category Explanation:

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History

Version:

1

Posted date:

March 18, 2026

Archive date:

January 2, 2029

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