Intramural Research Program (IRP)

Welcome to the IRP

The Intramural Research Program (IRP) is the internal research program of the National Institutes of Health (NIH), known for its synergistic approach to biomedical science. We invite you to explore the possibilities.

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About Us

The Intramural Research Program (IRP) is the internal research program of the National Institutes of Health (NIH), known for its synergistic approach to biomedical science.

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Organization and Leadership

As a whole, the IRP is the largest institution for biomedical science on earth, with a scientific staff of approximately 1,200 Principal Investigators and 4,000 post-doctoral fellows.

scientific focus areas

Our Programs

The NIH IRP comprises intramural programs embedded in 23 of the NIH Institutes and Centers and located on one or more of the NIH campuses.

Principal Investigators

Principal Investigators

Approximately 1,200 Principal Investigators (PIs) conduct biomedical or behavioral research within the Intramural Research Program (IRP).

Accomplishments

Honors

Researchers in the Intramural Research Program (IRP) have won hundreds of significant professional awards in the last several years, far too many to list comprehensively.

Accelerating Science

Research in Action

Lists of accomplishments and honors fail to provide insights into the process of discovery and the day-to-day interactions that made them possible. In these brief pieces, you will learn about the individuals that make up the IRP.