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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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65 results
Mediterranean-like Unprocessed (CLEAN-MED) Diet Intervention Study of the Gut Microbiome of Healthy Adults

Mediterranean-like Unprocessed (CLEAN-MED) Diet Intervention Study of the Gut Microbiome of Healthy Adults

A research study at the National Institutes of Health (NIH) is is investigating how dietary habits affect our intestinal microorganisms by studying the effects of Mediterranean-like unprocessed (CLEAN-MED) diet. Participants will be divided into two groups, depending on their interest in trying out the diet for 4 weeks or maintaining a new healthy diet over months, and will be provided with some foods. Participants will log the food they eat and answer questions about their diet throughtout the study. Food and research supplies and procedures are provided at no cost.
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Double-blind Placebo Controlled Study to Evaluate the Effect of NAD+ Boosting with Nicotinamide Riboside on Immunometabolism and Immunity in Systemic Lupus Erythematosus

Double-blind Placebo Controlled Study to Evaluate the Effect of NAD+ Boosting with Nicotinamide Riboside on Immunometabolism and Immunity in Systemic Lupus Erythematosus

Systemic lupus erythematosus (SLE) creates an imbalance in the innate immune system responsible for chronic inflammation. A study at NHLBI is looking into a Vitamin B supplement, nicotinamide riboside (NR), to see if it improves immune system function in people with SLE. People with SLE will be asked to take the supplement or placebo for 12 weeks. Healthy control subjects will be enrolled to compare baseline blood results but will not take the supplement.
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Characterization of Tissue-Specific Immune Responses to Bronchoscopic Instillation of Mycobacterial Antigens into the Human Lung

Characterization of Tissue-Specific Immune Responses to Bronchoscopic Instillation of Mycobacterial Antigens into the Human Lung (En español)

Researchers at the National Heart, Lung, and Blood Institute in Bethesda, Maryland, are conducting a study to evaluate the airway immunity in adults with a positive TB skin or blood test. With this study, researchers hope to discover better prevention and treatments for TB. (En español)

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Characterization of Tissue-Specific Immune Responses to Bronchoscopic Instillation of Mycobacterial Antigens into the Human Lung

Characterization of Tissue-Specific Immune Responses to Bronchoscopic Instillation of Mycobacterial Antigens into the Human Lung

Researchers at the National Heart, Lung, and Blood Institute in Bethesda, Maryland, are conducting a study to evaluate the airway immunity in adults with a positive TB skin or blood test. With this study, researchers hope to discover better prevention and treatments for TB.
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Diabetes and Heart Disease Risk in Blacks

Diabetes and Heart Disease Risk in Blacks

A study at NIH is recruiting healthy African Americans and African-born individuals to better understand diabetes and heart disease risk in Black populations. If you are African American or African-born Black between the ages of 18 and 70 years.

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