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Study identifier: NCT05677321 Synced from ClinicalTrials.gov · July 29, 2026
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Individual Variations of Taste and Smell Perception in Alcohol Use Disorder (AUD)

Condition: Alcohol Use Disorder  ·  Sponsor: National Institute on Alcohol Abuse and Alcoholism (NIAAA)

PhaseN/A
Planned participants475
Who can joinAll sexes, 18 Years to 65 Years
Healthy volunteersYes

About this study

Background: Alcohol use disorder (AUD) is the most common substance use disorder in the world. Long-term AUD can affect a person s sense of taste and smell. This natural history study will compare alcohol drinking behaviors and measures of taste and smell in people with and without AUD. Objective: To understand how alcohol use changes the senses of taste and smell. Eligibility: People aged 18 to 65 years with or without AUD. Design: Participants will be screened. They will have several tests to assess their smell and taste functions. They will answer questions about their eating, alcohol use, and smoking or vaping habits. Participants will have 2 study visits. They will give samples of blood, nasal mucous, saliva, stool, and urine. Their bodies will be measured. They will undergo a type of scan that uses X-rays to measure their body composition. They will complete taste measurements. They will taste liquids by swishing them in their mouth, without swallowing. Then, they will be asked what they can detect and which flavors they preferred. They will also complete smell measurements. They will be asked if they can identify strong odors on a metal wand. They will be asked to rate the intensity and pleasantness of odors. Their brain activity in the frontal regions will be measured while they smell various odors. For this, we will use a brain imaging tool called functional near infrared spectroscopy. They will have sensory testing. Sensations such as pressure, pinpric…

This description comes directly from the study's public registry record.

Talk to the study team

Chiquita L West  ·  (240) 472-6423  ·  chiquita.west@nih.gov

Paule V Joseph, C.R.N.P.  ·  (301) 827-5234  ·  paule.joseph@nih.gov

Always discuss trial participation with your own doctor first.

Locations (1)

National Institutes of Health Clinical CenterBethesda, Maryland, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT05677321