USDA Nutritional Phenotyping Study

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Please answer a few questions to see if you may qualify.
Have questions? Please contact the study coordinator Study coordinator at NutritionUSDA100@gmail.com or call 1(530) 752-5177 press 3 or 4
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  1. * 1. What is your age?
  2. 2. What is your gender?
  3. 3. Provide your approximate height (inches)
  4. 4. Provide your approximate weight (lbs)
  5. 5. Are you taking any prescription medications?
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"Discover the relationship between what you eat and your unique metabolism"
Age:
18-65 years
Gender:
Any
Healthy Volunteers:
Yes
Keywords:
Diet, Nutrition, Phenotype, Gut microbiota, Inflammation, Metabolomics, Neuroendocrine system
Type:
Observational
Target:
436 Participants
Investigator:
Description
The USDA-Agriculture Research Service, Western Human Nutrition Research Center (WHNRC) is seeking both MEN and WOMEN to participate in a cross-sectional research study examining a number of processes going on in the body in order to characterize the 'metabolic phenotypes' of healthy people in the general population.

These processes include:
• Production of key hormones
• Metabolism of fats, proteins, and carbohydrates
• Immune system functions
• Cardiovascular health

We will examine blood, urine, saliva, stool, and breath in order to get a whole body assessment. In addition, we also assess lifestyle characteristics such as diet, exercise, stress, sleep and tobacco use. We hope to discover new factors or combinations of factors that might serve as indicators of health.
This study requires
Two visits to the USDA Western Human Nutrition Research Center

Volunteers are first screened for eligibility through a phone screening requiring about 10 minutes then the two visits are scheduled to be about 2 weeks apart.

VISIT #1 (3-4 hours):
• Discuss study details, answer questions, consent to participate
• Measure vital functions and body size
• 3-minute physical fitness test
• Dual energy x-ray scan (DEXA)
• 5 saliva collections
• 2 Questionnaires
• Cognitive task
• Lung function test
• Learn to record food intake
• Learn to collect biological specimens at home


Visit #2 (9-10 hours):
• Requires a 12-hour overnight fast (no food or drink except for water)
• 1 meal and 1 snack provided
• 4 blood draws
• Electrode monitoring system placed on torso and hand
• 7 breath samples
• 8 saliva collections
• 4 metbaolic rate measurements
• Vascular function testing
• 3 taste tests
• Multiple questionnaires
• Cognitive tasks
• Emotion-inducing recall task
Who can participate?
We are seeking both MEN and WOMEN:
between the ages of 18-65 years
who have a body mass index between 18.5-40
(normal weight, overweight, and moderately obese).

Who CANNOT participate:
Women who are currently pregnant or breastfeeding
Anyone taking prescription medications for the following medical conditions:
• Diabetes
• Cardiovascular Disease
• Cancer
• Gastrointestinal disorders
• Kidney Disease
• Liver Disease
• Bleeding disorders
• Asthma
• Autoimmune disorders
• Hypertension
• Osteoporosis
Benefits and risks of participating
Please see the attached Phenotyping Study Consent Form, page 9 for a full description of potential risks associated with tasks in this study.
Compensation
Compensation package includes up to $250 and the following:

• Full body scan results: % body fat and lean mass, and bone mineral density
• Nutrient intake results
• Resting metabolic rate results
• Calories burned during exercise
Resources
PDF Docs
Phenotyping Study Brochure
Nutritional Phenotyping Consent Form
Schedule
Study duration and period
Approximately 2 weeks
Recruitment period
From June 1, 2015 to Dec. 31, 2019
Contact
Study coordinator
1(530) 752-5177 press 3 or 4

Have any questions or want to learn more? Leave your contact details below and the research team will reach out to you.


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