The National Institutes of Health supports investigator-initiated, multidisciplinary research programs organized around a shared scientific theme, with clinical trials optional.
NIH supports investigator-initiated program projects on infectious and immune-mediated diseases requiring at least two related research projects and an administrative core; clinical trials are not allowed.
NIH's R21 grant supports early-stage, high-risk clinical trial research with potential for breakthroughs in biomedical, behavioral, or clinical fields.
The NIH Specialized Center Grant (P50) funds multidisciplinary research centers with a unifying scientific theme, requiring collaborative projects, shared resources, and an administrative core.
This NIH grant funds collaborative international research projects with at least one foreign subproject, supporting innovative global partnerships that advance the missions of participating NIH Institutes.
NIH supports interdisciplinary teams of three to six principal investigators pursuing an ambitious, shared scientific goal that cannot be achieved through individual efforts or separate projects.