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NIH uses activity codes (e.g. R01, R43, etc.

Each type of NIH grant program has its own set of eligibility requirements. Applicants can find eligibility information in section III of each funding opportunity announcement (FOA). While the principal investigator (PI) conceives and writes the application, NIH recognizes the applicant institution as the recipient for most grant types.

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NIH advertises availability of grant support through funding opportunity announcements (FOAs). Search for an FOA specific to your area of interest, or apply to one of our generic parent announcements.

As you begin your journey in search of NIH grant funding, the information in this section can help you understand the structure of NIH and why it is important to successfully navigate the grants process.

Learn about Zollinger-Ellison syndrome, in which tumors in the pancreas or duodenum increase stomach acid, leading to peptic ulcers, acid reflux, and diarrhea.

Describes the causes, symptoms, diagnosis, and treatment of proctitis. Proctitis is inflammation of the lining of the rectum. Proctitis may be acute or chronic.

Defines collagenous colitis and lymphocytic colitis. Explains the causes and describes signs and symptoms, diagnosis, and treatments.

Overview of Barrett’s esophagus, including the causes and association with GERD, as well as symptoms, treatments, complications, diet, and self-care.