Can I Request an Extension to My ESI Period for an Event That Occurred During a Timeframe That Includes a Previous Extension?


An Early Stage Investigator (ESI) is a Program Director/Principal Investigator (PD/PI) who has completed their terminal research degree or end of post-graduate clinical training (whichever date is later) within the past 10 years and who has not previously competed successfully as PD/PI for a substantial NIH independent research award.

Some investigators experience a lapse in their research or research training or experience periods of less than full-time effort during the 10-year ESI period. In order to accommodate such lapses, the NIH considers requests to extend the ESI period for reasons that can include medical concerns, disability, family care responsibilities, public health emergencies, natural disasters, and active duty military service.

However, the ESI Extension Committee will only consider requests for events that occur within the initial 10 years from receipt of terminal research degree or end of post-graduate clinical training, whichever date is later.

See our Early Stage Investigator Policies page and ESI FAQs for additional related information.

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