NCI Exploratory/Developmental Research Grant Program (NCI Omnibus R21) | Apply Online

Opportunity Summary:

The NCI Exploratory/Developmental Research Grant Program (NCI Omnibus R21), Funding Opportunity Number PAR-13-146, is a National Institutes of Health (NIH) National Cancer Institute (NCI) discretionary grant opportunity designed to spark new and potentially high-impact cancer research ideas. It supports exploratory and developmental projects across the full spectrum of cancer research, including biomedical, behavioral, and clinical studies. The central purpose of the R21 mechanism is to fund early-stage, concept-driven research that may still be unproven or incomplete, but that has the potential to open up new directions, generate critical preliminary evidence, or create tools and approaches that could shift how a cancer-related problem is studied or addressed.

This opportunity is specifically tailored for research that is innovative and somewhat higher-risk than a typical mature research project. NCI uses the R21 format to encourage investigators to pursue novel hypotheses, test unconventional concepts, or build first-generation versions of new techniques, agents, methodologies, models, or applications. In other words, the program is meant for work that might not yet have the depth of data expected for a larger, longer-term award, but that could plausibly lead to a breakthrough or provide the foundation for later, more definitive studies. The “omnibus” nature of the announcement also signals that it is broadly open to many cancer-focused topics rather than being restricted to a narrow scientific niche.

In terms of research scope, the funding aligns with multiple cancer-related CFDA areas, reflecting the breadth of NCI’s mission. These include Cancer Cause and Prevention Research (93.393), Cancer Detection and Diagnosis Research (93.394), Cancer Treatment Research (93.395), Cancer Biology Research (93.396), and Cancer Control (93.399). Practically, that means proposed projects might range from mechanistic biology and model development, to early testing of diagnostic concepts, to behavioral interventions, to new strategies for treatment or symptom control, as long as they fit the exploratory and developmental intent of an R21.

The award has an indicated ceiling of $200,000, and there is no cost-sharing or matching requirement, which reduces the financial burden on applicants and can make it easier for a broader set of organizations to participate. As a grant (rather than a contract), the mechanism generally supports investigator-initiated research approaches where the applicant proposes the scientific plan and the funding agency evaluates the idea for merit and program relevance.

Eligibility is notably expansive. A wide variety of domestic U.S. organizations may apply, including public and private institutions of higher education, nonprofit organizations (including those with and without 501(c)(3) status), small businesses, for-profit organizations (other than small businesses), and multiple levels of government such as state, county, city/township, special district governments, and independent school districts. The announcement also includes Native American tribal governments (federally recognized) and tribal organizations, public housing authorities/Indian housing authorities, and a broad “others” category with further clarification referenced in the full announcement.

Beyond these standard categories, the opportunity explicitly recognizes and welcomes applications from a range of mission-relevant and often underrepresented institution types and communities. This includes Historically Black Colleges and Universities (HBCUs), Hispanic-Serving Institutions, Tribally Controlled Colleges and Universities (TCCUs), Alaska Native and Native Hawaiian Serving Institutions, and Asian American and Native American Pacific Islander Serving Institutions (AANAPISIs), as well as faith-based and community-based organizations. Importantly, the eligibility also extends internationally: non-U.S. entities (foreign organizations and foreign institutions) may apply, and non-U.S. components of U.S. organizations are eligible. Foreign components, as defined under the NIH Grants Policy Statement, are allowed, making this a globally accessible opportunity where international expertise can be directly supported when relevant to the proposed cancer research aims.

Key administrative details indicate the opportunity was posted and created on March 19, 2013, with an original and current closing date listed as September 4, 2015, and an archive date of October 5, 2015. Those dates suggest the specific posting is no longer open for new submissions under that exact announcement version, but it still serves as a useful reference point for understanding the R21 “omnibus” concept and how NCI structures exploratory funding. The sponsoring agency is the National Institutes of Health, with NCI as the participating institute leading this cancer-focused program. The full archived announcement was available via the NIH Grants Guide (link provided in the source), and NIH’s Office of Extramural Research (OER) webmaster contact is included for technical access or linking issues.

Overall, PAR-13-146 describes a broadly accessible, innovation-forward NCI grant mechanism meant to help investigators and organizations launch new cancer research directions, test bold early ideas, and build enabling tools or methods that could later scale into larger programs. The program’s defining features are its emphasis on early-stage development, tolerance for scientific risk paired with the promise of major impact, wide topical coverage across cancer research, and wide applicant eligibility including foreign entities, without any cost-sharing requirement.

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