We updated the design of this site on December 18, 2017. Learn more.
ClinicalTrials.gov Menu

Eating Behavior in Adolescents

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
ClinicalTrials.gov Identifier: NCT00631644
Recruitment Status : Completed
First Posted : March 10, 2008
Last Update Posted : October 6, 2017
Information provided by (Responsible Party):

Study Description
Brief Summary:

This study will explore the eating habits of adolescents and determine if eating behavior is linked to genetics.

Healthy adolescents between 13 and 17 years of age may be eligible for this study. Candidates come to the NIH Clinical Center at 8:00 AM to be screened with the following:

  • Medical history and brief physical examination, including height, weight, and body fat measurements. Body fat is measured using a device called a Bod Pod. The adolescent sits inside the device for about 5 minutes and the machine determines body fat by measuring air movement. The adolescent must wear a tight-fitting swimsuit for this test.
  • Urine test to look for sugar or protein in the urine and to test for pregnancy in females.
  • Blood tests for routine chemistries and for gene studies related to eating behaviors.
  • Questionnaires and interviews about the adolescent s general health and eating habits.
  • Acclimatization to test meal conditions for the study. The adolescent is given a breakfast shake to drink.

Participants come to the NIH Clinical Center at 10:30 AM for laboratory meal testing. At this visit, the adolescent does the following:

  • Eats food from a buffet of everyday foods that most kids eat.
  • Fills out questionnaires.
  • Tastes and rates the flavor of a variety of snack foods.

Condition or disease
Overweight Eating Behavior Binge Eating

Detailed Description:
Little is known about the eating behaviors that place adolescents at heightened risk for overweight. In the proposed study, we aim to investigate the role that eating behaviors and genes may play in the development of overweight. Participants will be adolescent girls and boys from a racially/ethnically diverse sample of adolescents from the DC Metro community. Adolescent eating behavior will be observed during laboratory test meals. Adolescents will be provided with a large buffet of foods or a standard meal and instructed to eat until you are no longer hungry. Thirty minutes later, they will taste and rate a variety of highly palatable snack foods. Blood tests will be conducted to examine genes related to eating behavior. Assessments also will include affective states, degree of hunger, degree of fullness, body image satisfaction, disordered eating attitudes and behaviors, and measures of interpersonal interactions.

Study Design

Study Type : Observational
Actual Enrollment : 301 participants
Time Perspective: Prospective
Official Title: Eating Behavior in Adolescents
Study Start Date : March 5, 2008
Estimated Study Completion Date : September 8, 2015
Groups and Cohorts

Outcome Measures

Eligibility Criteria

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

Ages Eligible for Study:   13 Years to 17 Years   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Volunteers will qualify for participation in the study if they meet the following criteria:

  1. <TAB>Age 13-17 years.
  2. <TAB>Good general health as indicated by medical history and physical examination.
  3. <TAB>Negative urine glucose and normal electrolytes, hepatic, and thyroid function.
  4. <TAB>For the fMRI portion only: right handedness (required for standardization of responses).
  5. <TAB>For the fMRI portion only: female.
  6. <TAB>For the fMRI portion only: overweight (BMI greater than or equal to 85th percentile for age and sex).


Volunteers will be excluded if they have any of the following:

  1. <TAB>Medical problem likely to affect caloric intake.
  2. <TAB>History of any condition including psychiatric disorders in either child or their responsible parent that in the opinion of the investigators would impede competence to sign consent, interfere with adherence to procedures, or possibly hinder completion of the study.
  3. <TAB>Pregnancy.
  4. <TAB>Use of medication likely to affect caloric intake.
  5. <TAB>History of significant neurological injury or insult.
  6. <TAB>For the fMRI portion only: braces (or other metal) that would interfere with the fMRI procedure.
  7. <TAB>For the fMRI portion only: non-native English speakers (required for standardization of responses).
Contacts and Locations

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00631644

United States, Maryland
National Institutes of Health Clinical Center, 9000 Rockville Pike
Bethesda, Maryland, United States, 20892
Sponsors and Collaborators
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Principal Investigator: Jack A Yanovski, M.D. Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
More Information

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

Responsible Party: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
ClinicalTrials.gov Identifier: NCT00631644     History of Changes
Other Study ID Numbers: 080085
First Posted: March 10, 2008    Key Record Dates
Last Update Posted: October 6, 2017
Last Verified: September 8, 2015

Keywords provided by National Institutes of Health Clinical Center (CC) ( Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) ):
Eating Behavior
Eating in the Absence of Hunger
Disordered Eating
Food Intake
Macronutrient Composition
Healthy Volunteer

Additional relevant MeSH terms:
Binge-Eating Disorder
Body Weight
Signs and Symptoms
Signs and Symptoms, Digestive
Feeding and Eating Disorders
Mental Disorders