NIH grant

The National Institutes of Health awards grants to more than 300,000 researchers for research into a variety of conditions, through its 24 grant-awarding institutes and centers. The NIH supports $31 billion in research annually at more than 2,500 institutions. Each institute of the NIH has separate appropriations from Congress determined on an annual basis.

Percentages of grant applications funded vary by institute, from 8% (National Institute of Nursing Research) to 29.6% (National Institute of General Medical Sciences), with an overall average of 18%. Funding percentages have dropped from over 30% in the early 2000s, mainly due to an increase in applications, rather than a decrease in funds available. In 1998, 24,100 applications were received, and 7,500 were funded with a total of $1.9 billion. By 2005, the number of applications had grown to 43,000, of which 9,600 were funded with a total of $3.4 billion. In 2015, 52,000 applications were submitted and 9,500 were funded with $4.3 billion. Grants are assessed based on their significance, innovation, and approach.

The major grant awards of the NIH are divided into Research Grants (R series), Career Development Awards (K series), Research Training and Fellowships (T & F series), Program Project/Center Grants (P series), and miscellaneous programs.

There are various requirements for grants. Some grants are specified for "new investigators", which is defined as someone who has not received a prior NIH grant other than a career award or specific small grants (R15, R21, R56, etc.). An "early stage investigator" is someone who has received their PhD or MD or has finished residency within the past 10 years.

From 2010 to 2016, NIH funded research that led to the development and approval of 210 new drugs. 84 of these were "first-in-class" drugs, meaning they work through previously unknown mechanisms. About 90% of the research published from the funded grants related to the discovery and characterization of these pathways, rather than the development of the drug itself.

A study on the value of public research funding found that 30% of NIH grants led to research being published that was cited in a patent application, and that for every $100 million funded by the NIH, 23 patents were submitted.

NIH numbers the types of applications:

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