Phase 1 Exploratory/Developmental Grant (R61)
As part of a bi-phasic approach to funding exploratory and/or developmental research, the R61 provides support for the first phase of the award. This activity code is used in lieu of the R21 activity code when larger budgets and/or project periods are required to establish feasibility for the project.
Award Information
- Funding Instrument: Grant
- Funding Category: Research and Development
- Budget Mechanism Code: RP - Research Projects
Due Dates
The Key Dates section of funding opportunities lists specific due dates. Many opportunities indicate Standard Due Dates apply.
Beginning with applications for Advisory Council Review in January 2027 (i.e., application due dates on or after May 25, 2026), NIH will no longer accept applications submitted on dedicated AIDS application due dates. (NOT-OD-26-029)
| Standard Application Due Dates (when applicable) | Review and Award Cycles | ||||
| New | Renewal, Resubmission, Revision as Allowed |
AIDS and AIDS Related Grant Applications |
Scientific Merit Review | Advisory Council Review |
Earliest Start Date |
Participating Funding Organizations
Each funding opportunity specifies the participating organizations. Applications must fit within the mission of at least one participating funding organization and meet all opportunity-specific requirements.
The following funding organizations participate on at least one active funding opportunity.
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- National Cancer Institute (NCI)
- National Center for Complementary and Integrative Health (NCCIH)
- National Eye Institute (NEI)
- National Heart, Lung, and Blood Institute (NHLBI)
- National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- National Institute of Dental and Craniofacial Research (NIDCR)
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- National Institute of Mental Health (NIMH)
- National Institute of Neurological Disorders and Stroke (NINDS)
- National Institute on Aging (NIA)
- National Institute on Alcohol Abuse and Alcoholism (NIAAA)
- Office of Research on Women's Health (ORWH)
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