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Featured Studies

Office of Patient Recruitment

This web page makes it easy to search for featured research studies at the NIH Clinical Center. You can search for specific studies by entering keywords related to your symptoms in the search box or by using the sort and filter options.


To view a full list of all studies conducted at the NIH Clinical Center, visit Search the Studies.

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31 results
An assortment of healthy foods, including fresh vegetables, eggs, and salmon

Investigational Dietary Supplements and Keto Sleep Calories

Dr. Stephanie Chung and her team at the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) are seeking male volunteers aged 18-65 for a study on the impact of low-carb (ketogenic) diets, with or without an investigational dietary supplement called nicotinamide riboside, on energy levels and metabolism during sleep.

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