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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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15 results
A doctor speaking with a patient. Researchers at the NIH Clinical Center seek volunteers to participate in studies on how alcohol affects the body

NIAAA Natural History Protocol

To look at a broad range of traits in people who are healthy people and people with alcohol problems. To study them for potential eligibility for other research protocols conducted at the NIH Clinical Center.

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Taste and Smell Differences in Obese Versus Non-Obese Individuals

Taste and Smell Differences in Obese Versus Non-Obese Individuals

Investigators at The National Institutes of Health (NIH) are conducting a research study to understand taste and smell alterations and how they differ in obese versus non-obese individuals.
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Brain Dopaminergic Signaling in Opioid Use Disorders

Brain Dopaminergic Signaling in Opioid Use Disorders

Researchers at the National Institutes of Health (NIH) Clinical Center seek healthy volunteers for a research study on opioid use disorder (OUD). The purpose of this research study is to learn how opiate use disorder affects dopamine signaling in the brain of people dependent on opioids.
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Nicotinic Receptor Genetic Variation and Alcohol Reward

Nicotinic Receptor Genetic Variation and Alcohol Reward

Researchers at the National Institutes of Health seek volunteers, 21-60 years old, to participate in a study researching if a gene and smoking affect drinking. All study-related tests and procedures are provided at no cost to the study participant. Compensation may be provided.
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Clinical and Scientific Assessment of Pain and Painful Disorders

Clinical and Scientific Assessment of Pain and Painful Disorders

Researchers in the National Center for Complementary and Integrative Health at the National Institutes of Health seek healthy volunteers to participate in a study investigating how our brain responds to pain. This study will allow researchers to collect information that may be used to learn more about pain disorders and how we respond to painful experiences.

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Epi-Genetic Modulators of Fear Extinction in Alcohol Dependence

Epi-Genetic Modulators of Fear Extinction in Alcohol Dependence

Doctors at the National Institutes of Health (NIH) seek healthy volunteers 21 - 65 years of age to participate in a study researching if alcohol dependence and early life stress affect the ability to learn to feel calm. All study-related tests and procedures are provided at no cost to the study participant. Compensation may be provided.
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Neural and Psychological Mechanisms of Pain Perception (No MRI)

Neural and Psychological Mechanisms of Pain Perception (No MRI)

Researchers at the National Institutes of Health seek healthy volunteers to participate in a research study. The purpose of this study is to better understand how pain and emotions are processed in the human brain and influenced by psychological factors. This is an outpatient study that may involve moderate but tolerable pain. Researchers are studying how thoughts, feelings, and learning influence pain and perception.
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