Study Results
Results pending
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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Recruitment Status
RECRUITING
Total Enrollment
1500 participants
Study Classification
OBSERVATIONAL
Study Start Date
2015-04-21
Study Completion Date
2030-12-31
Brief Summary
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Background:
\- Studies show that many factors affect children's eating behavior and health. These include sleep, mood, thinking skills, and genetics. Studying children over time may identify children at higher risk for eating-related health concerns.
Objective:
\- To understand how genes and environment influence eating behavior and health over time.
Eligibility:
\- Children ages 8-17 in good general health.
Design:
* Screening visit 1: Medical history, physical exam, body measurements, and questions.
* 14 days: Participants will wear a wrist monitor and answer smartphone prompts about eating and mood. They may give a stool sample.
* Screening visit 2:
* Body measurements.
* Saliva, urine, and blood samples.
* Heart tests.
* Meals provided (after fasting overnight).
* Questionnaires and interview.
* Behavior, thinking, and exercise tests.
* X-ray of left wrist and full body.\<TAB\>
* Some parents may have medical history, physical exam, and questions at screening visits. They may answer questions at the yearly visits.
* Participants will have up to 6 yearly visits. They will give a urine sample and body measurements, and repeat the X-rays. They will have questions and behavior and thinking tasks. They may give stool samples. Visits will range from 3 to 8 hours.
* Participants may choose to participate in other studies:
* Stress and Hormones, 1 visit: While resting, participants will give saliva samples and have their heart monitored. Then they will do math. They will repeat the resting part, then do a computer task.
* Brain Imaging, 2 visits: Twice, participants will perform tasks with a magnetic cone on their head then answer questions. Once, they will have an MRI, lying still in a scanner with a coil on their head. Before the first visit, participants will collect at-home saliva samples once a day for three days. During both visits, participants will perform tasks and answer questions that gauge their thinking skills and mood.
* Experiment 3 (sleep/fatigue): Participants will complete 2 additional visits. During these visits, participants will complete a task on the computer for 2 hours, or watch a movie for two hours. After completion of the task/movie, they will answer questions and be provided with food.
Participants will be compensated for the time and inconvenience involved with completing study procedures.
\- Studies show that many factors affect children's eating behavior and health. These include sleep, mood, thinking skills, and genetics. Studying children over time may identify children at higher risk for eating-related health concerns.
Objective:
\- To understand how genes and environment influence eating behavior and health over time.
Eligibility:
\- Children ages 8-17 in good general health.
Design:
* Screening visit 1: Medical history, physical exam, body measurements, and questions.
* 14 days: Participants will wear a wrist monitor and answer smartphone prompts about eating and mood. They may give a stool sample.
* Screening visit 2:
* Body measurements.
* Saliva, urine, and blood samples.
* Heart tests.
* Meals provided (after fasting overnight).
* Questionnaires and interview.
* Behavior, thinking, and exercise tests.
* X-ray of left wrist and full body.\<TAB\>
* Some parents may have medical history, physical exam, and questions at screening visits. They may answer questions at the yearly visits.
* Participants will have up to 6 yearly visits. They will give a urine sample and body measurements, and repeat the X-rays. They will have questions and behavior and thinking tasks. They may give stool samples. Visits will range from 3 to 8 hours.
* Participants may choose to participate in other studies:
* Stress and Hormones, 1 visit: While resting, participants will give saliva samples and have their heart monitored. Then they will do math. They will repeat the resting part, then do a computer task.
* Brain Imaging, 2 visits: Twice, participants will perform tasks with a magnetic cone on their head then answer questions. Once, they will have an MRI, lying still in a scanner with a coil on their head. Before the first visit, participants will collect at-home saliva samples once a day for three days. During both visits, participants will perform tasks and answer questions that gauge their thinking skills and mood.
* Experiment 3 (sleep/fatigue): Participants will complete 2 additional visits. During these visits, participants will complete a task on the computer for 2 hours, or watch a movie for two hours. After completion of the task/movie, they will answer questions and be provided with food.
Participants will be compensated for the time and inconvenience involved with completing study procedures.
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Detailed Description
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This study aims to disentangle the varying disinhibited eating patterns, or eating behavior endophenotypes, that lead to excessive weight gain and obesity-related comorbidities in youth. Extensive baseline evaluations, including three separate experimental paradigms, and annual follow-up assessments will assist with identifying biopsychosocial mechanisms that appear to increase risk for, and maintain, these eating behaviors and lead to weight gain. Illumination of early risk factors for specific eating behavior endophenotypes and their associated health outcomes will inform the development of targeted interventions for pediatric obesity. Participants for the current study will include 500 healthy obese and non-obese boys and girls (8 to 17yo at baseline) and their parents/caregivers. Youth will first complete two visits in order to ensure study eligibility and to evaluate self-regulatory, motivational, and neurocognitive factors that appear to be salient to the development and maintenance of disinhibited eating behavior, including: psychological distress, sleep behavior, food reinforcement, reward sensitivity, executive functioning, attention bias, and a range of related genetic and physiological factors. Eating behavior will be observed in the laboratory using several validated paradigms. For two weeks, participants will monitor their sleep using wrist actigraphy, as well as record their mood, eating behavior, and eating cognitions using smart phones (via ecological momentary assessment methods). Youth will then be invited to complete up to three separate experimental paradigms designed to further elucidate cognitive, emotional, and physiological processes associated with disinhibited eating behavior. All participants will then complete annual evaluations of weight and adiposity for a total of six years, with more extensive evaluations of self-regulatory, motivational and neurocognitive functioning every three years. Studying children and adolescents longitudinally will allow for examination of the independent and shared risk factors for pediatric disinhibited eating and excess weight. Data from these evaluations will not only be used to test specific hypotheses, but will also be hypothesis-generating in that they will inform the development of additional empirical questions and subsequent experiments. Thus, the current protocol will offer the flexibility to examine potentially critical contributions to weight gain in children as they continue their biopsychosocial development.
Conditions
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Obesity
Eating Behaviors
Healthy Volunteers
Study Design
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Observational Model Type
COHORT
Study Time Perspective
PROSPECTIVE
Study Groups
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All pediatric participants
All pediatric participants in the study will be evaluated as one group
No interventions assigned to this group
Parents of participants
Parents provide information about their children and supply DNA / blood samples for future analyses
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
Parents/Guardians will qualify if they meet the following criteria.
1. Age \>=18 years
2. Have a child enrolled in this protocol (15-CH-0096).
Volunteers will qualify if they meet the following criteria.
* Age 8-17 years (NB: children may continue to participate as adults during follow-up).
* Weight, height and BMI \>= 5th percentile for age and sex according to Centers for Disease Control and Prevention 2000 US standards.
* Cognitively capable of completing study procedures (FSIQ \>= 70).
* Good general health based on a normal history and physical examination (with the exception of overweight and minor, well-controlled illnesses).
1. Age \>=18 years
2. Have a child enrolled in this protocol (15-CH-0096).
Volunteers will qualify if they meet the following criteria.
* Age 8-17 years (NB: children may continue to participate as adults during follow-up).
* Weight, height and BMI \>= 5th percentile for age and sex according to Centers for Disease Control and Prevention 2000 US standards.
* Cognitively capable of completing study procedures (FSIQ \>= 70).
* Good general health based on a normal history and physical examination (with the exception of overweight and minor, well-controlled illnesses).
Exclusion Criteria
Parents/Guardians will be excluded for the following reasons:
1. If their child is not eligible to participate in the study (see below)
2. If they are believed by the medical study team to have a medical or psychiatric problem that will not allow them to complete study procedures safely (these will be determined on a case-by-case basis)
Eligibility Criteria for Child Participants:
Individuals will be excluded (and provided treatment referrals as needed) for the following reasons:
* History of major cardiovascular disease or any other serious obesity-related complication as assessed during history and physical exam. Individuals with untreated or major illnesses relating to the endocrine and/or cardiovascular systems are excluded because these illnesses will likely influence outcomes. Such obesity-related comorbidities include hypertension (defined by age- sex- and height- specific standards; and fasting hyperglycemia consistent with diabetes (fasting glucose \> 126 mg/dL).
* Presence of other major illnesses: renal, hepatic, gastrointestinal, most endocrinologic (e.g., Cushing syndrome, untreated hyper- or hypothyroidism), hematological problems or pulmonary disorders (other than asthma not requiring continuous medication). Non-serious medical illnesses, such as seasonal allergies, will be reviewed on a case-by-case basis.
* Regular use of any medication known to affect body weight or eating behavior (e.g., many medications prescribed for attention deficit hyperactivity disorder, or ADHD). Medication use for non-serious conditions (e.g., acne) will be considered on a case-by-case basis.
* Current pregnancy or a history of pregnancy. A negative pregnancy test before starting the study will be required for postmenarcheal girls.
* Current and regular use of tobacco products and/or alcohol.
* A significant reduction in weight during the past three months, for any reason, exceeding 5% of body weight.
* A history of significant or recent brain injury that may considerably influence performance on neurocognitive measures (i.e., any history of loss of consciousness \>=30 minutes associated with a head injury, any history of memory loss or hospitalization associated with a head injury, or \>=2 concussions within last year).
* Presence of any significant, full-threshold psychiatric disorder based on DSM criteria such as schizophrenia, bipolar disorder, alcohol or substance abuse, anorexia or bulimia nervosa, or any disorder that, in the opinion of the investigators, would impede competence or compliance or possibly hinder completion of the study. These individuals will not be permitted to enroll in the current study and will be referred for treatment. Individuals who present with other psychiatric disorders, including sub-threshold psychiatric disorders, will be permitted to enroll in the study. Sub-threshold psychiatric disorders include symptoms that do not meet diagnostic threshold based on the DSM criteria for mental disorders, but which are nevertheless significantly impairing or distressing. If, based on the opinion of the investigators, a participant requires treatment for his/her psychiatric symptoms, the individual will be referred for treatment. Participants who develop any psychiatric disorder or significant psychiatric symptoms at any follow-up assessment during the study will not be excluded, but will be provided with treatment referrals.
* Any other condition in the child or parents/guardians that, in the opinion of the investigators, would impede compliance or possibly hinder completion of the study (e.g., significant Learning Disorder).
Additional exclusions for (optional) stool sample collection include:
Stool Sample only:
* Diagnosis or history of inflammatory bowel disease, including ulcerative colitis or Crohn's disease, celiac sprue, irritable bowel syndrome, or other inflammatory disorders of the intestine.
* Diarrhea within 1 week prior to sampling.
* Antibiotic use within 4 weeks prior to sampling.
In addition, Experiments 1 and 2 have specific additional exclusions:
Experiment 1 only:
* Regular use of medications that could influence autonomic or endocrine functioning, including alpha and beta blockers, oral contraceptives, or prescription pain medication.
* Scoring as "highly active" on the International Physical Activity Questionnaire (due to decreased cortisol reactivity).
Experiment 2 only:
* Participants will be excluded if MRI and MEG is contraindicated (metal in/on body, braces, presence of non-organic \[e.g., cochlear\] implants or cerebral clips, permanent tattooed makeup or general tattoos that are recent and/or in a dangerous location on the body or made with colors whose content in iron cannot be definitely ruled out.
* Youth will be excluded if they are left-handed.
All participants will receive a written explanation of the purposes, procedures, and potential hazards of the study. Communication of this information and of the participant's assent as well as the consent of the parent or guardian will be documented in the medical record and copies of all signed documents given to each family. All participants will be informed of their right to withdraw from the study.
1. If their child is not eligible to participate in the study (see below)
2. If they are believed by the medical study team to have a medical or psychiatric problem that will not allow them to complete study procedures safely (these will be determined on a case-by-case basis)
Eligibility Criteria for Child Participants:
Individuals will be excluded (and provided treatment referrals as needed) for the following reasons:
* History of major cardiovascular disease or any other serious obesity-related complication as assessed during history and physical exam. Individuals with untreated or major illnesses relating to the endocrine and/or cardiovascular systems are excluded because these illnesses will likely influence outcomes. Such obesity-related comorbidities include hypertension (defined by age- sex- and height- specific standards; and fasting hyperglycemia consistent with diabetes (fasting glucose \> 126 mg/dL).
* Presence of other major illnesses: renal, hepatic, gastrointestinal, most endocrinologic (e.g., Cushing syndrome, untreated hyper- or hypothyroidism), hematological problems or pulmonary disorders (other than asthma not requiring continuous medication). Non-serious medical illnesses, such as seasonal allergies, will be reviewed on a case-by-case basis.
* Regular use of any medication known to affect body weight or eating behavior (e.g., many medications prescribed for attention deficit hyperactivity disorder, or ADHD). Medication use for non-serious conditions (e.g., acne) will be considered on a case-by-case basis.
* Current pregnancy or a history of pregnancy. A negative pregnancy test before starting the study will be required for postmenarcheal girls.
* Current and regular use of tobacco products and/or alcohol.
* A significant reduction in weight during the past three months, for any reason, exceeding 5% of body weight.
* A history of significant or recent brain injury that may considerably influence performance on neurocognitive measures (i.e., any history of loss of consciousness \>=30 minutes associated with a head injury, any history of memory loss or hospitalization associated with a head injury, or \>=2 concussions within last year).
* Presence of any significant, full-threshold psychiatric disorder based on DSM criteria such as schizophrenia, bipolar disorder, alcohol or substance abuse, anorexia or bulimia nervosa, or any disorder that, in the opinion of the investigators, would impede competence or compliance or possibly hinder completion of the study. These individuals will not be permitted to enroll in the current study and will be referred for treatment. Individuals who present with other psychiatric disorders, including sub-threshold psychiatric disorders, will be permitted to enroll in the study. Sub-threshold psychiatric disorders include symptoms that do not meet diagnostic threshold based on the DSM criteria for mental disorders, but which are nevertheless significantly impairing or distressing. If, based on the opinion of the investigators, a participant requires treatment for his/her psychiatric symptoms, the individual will be referred for treatment. Participants who develop any psychiatric disorder or significant psychiatric symptoms at any follow-up assessment during the study will not be excluded, but will be provided with treatment referrals.
* Any other condition in the child or parents/guardians that, in the opinion of the investigators, would impede compliance or possibly hinder completion of the study (e.g., significant Learning Disorder).
Additional exclusions for (optional) stool sample collection include:
Stool Sample only:
* Diagnosis or history of inflammatory bowel disease, including ulcerative colitis or Crohn's disease, celiac sprue, irritable bowel syndrome, or other inflammatory disorders of the intestine.
* Diarrhea within 1 week prior to sampling.
* Antibiotic use within 4 weeks prior to sampling.
In addition, Experiments 1 and 2 have specific additional exclusions:
Experiment 1 only:
* Regular use of medications that could influence autonomic or endocrine functioning, including alpha and beta blockers, oral contraceptives, or prescription pain medication.
* Scoring as "highly active" on the International Physical Activity Questionnaire (due to decreased cortisol reactivity).
Experiment 2 only:
* Participants will be excluded if MRI and MEG is contraindicated (metal in/on body, braces, presence of non-organic \[e.g., cochlear\] implants or cerebral clips, permanent tattooed makeup or general tattoos that are recent and/or in a dangerous location on the body or made with colors whose content in iron cannot be definitely ruled out.
* Youth will be excluded if they are left-handed.
All participants will receive a written explanation of the purposes, procedures, and potential hazards of the study. Communication of this information and of the participant's assent as well as the consent of the parent or guardian will be documented in the medical record and copies of all signed documents given to each family. All participants will be informed of their right to withdraw from the study.
Minimum Eligible Age
8 Years
Maximum Eligible Age
100 Years
Eligible Sex
ALL
Accepts Healthy Volunteers
Yes
Sponsors
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Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Sponsor Role
lead
Responsible Party
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Responsibility Role
SPONSOR
Principal Investigators
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Bobby K Cheon
Role: PRINCIPAL_INVESTIGATOR
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Locations
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National Institutes of Health Clinical Center
Bethesda, Maryland, United States
Site Status
RECRUITING
Countries
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United States
Central Contacts
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Facility Contacts
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For more information at the NIH Clinical Center contact Office of Patient Recruitment (OPR)
Role: primary
800-411-1222 ext. TTY dial 711
References
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Tanofsky-Kraff M, Yanovski SZ, Wilfley DE, Marmarosh C, Morgan CM, Yanovski JA. Eating-disordered behaviors, body fat, and psychopathology in overweight and normal-weight children. J Consult Clin Psychol. 2004 Feb;72(1):53-61. doi: 10.1037/0022-006X.72.1.53.
Reference Type
BACKGROUND
Tanofsky-Kraff M, Shomaker LB, Olsen C, Roza CA, Wolkoff LE, Columbo KM, Raciti G, Zocca JM, Wilfley DE, Yanovski SZ, Yanovski JA. A prospective study of pediatric loss of control eating and psychological outcomes. J Abnorm Psychol. 2011 Feb;120(1):108-18. doi: 10.1037/a0021406.
Reference Type
BACKGROUND
Tanofsky-Kraff M, Cohen ML, Yanovski SZ, Cox C, Theim KR, Keil M, Reynolds JC, Yanovski JA. A prospective study of psychological predictors of body fat gain among children at high risk for adult obesity. Pediatrics. 2006 Apr;117(4):1203-9. doi: 10.1542/peds.2005-1329.
Reference Type
BACKGROUND
Parker MN, Tanofsky-Kraff M, Bloomer BF, Te-Vazquez J, Adekola PE, Nwosu EE, Lazareva J, Jones JL, Moore A, Schvey NA, Brady SM, Yang SB, Turner SA, Yanovski JA, Kelly NR. The Effect of Experimentally Induced Cognitive Fatigue on Energy Intake Among Youth With and Without Recent Reported Dietary Restraint. Int J Eat Disord. 2025 Oct;58(10):2003-2008. doi: 10.1002/eat.24508. Epub 2025 Jul 16.
Reference Type
DERIVED
Parker MN, Kelly NR, Moore A, Loch LK, Vazquez JT, Bloomer BF, Nwosu EE, Lazareva J, Yang SB, Courville AB, Moursi NA, Brady SM, Olsen CH, Shank LM, Tanofsky-Kraff M, Yanovski JA. Cognitive fatigue did not significantly influence youth's total energy intake or snack food consumption during a randomized trial. J Behav Med. 2025 Aug;48(4):683-693. doi: 10.1007/s10865-025-00577-8. Epub 2025 Jun 9.
Reference Type
DERIVED
Smith MR, Bittner JMP, Loch LK, Haynes HE, Bloomer BF, Te-Vazquez J, Bowling AI, Brady SM, Tanofsky-Kraff M, Chen KY, Yanovski JA, Cheon BK. Independent and Interactive Associations of Subjective and Objective Socioeconomic Status With Body Composition and Parent-Reported Hyperphagia Among Children. Child Obes. 2024 Sep;20(6):394-402. doi: 10.1089/chi.2023.0086. Epub 2023 Nov 9.
Reference Type
DERIVED
Rubin AG, Schvey NA, Shank LM, Altman DR, Swanson TN, Ramirez E, Moore NA, Jaramillo M, Ramirez S, Davis EK, Broadney MM, LeMay-Russell S, Byrne ME, Parker MK, Brady SM, Kelly NR, Tanofsky-Kraff M, Yanovski JA. Associations between weight-based teasing and disordered eating behaviors among youth. Eat Behav. 2021 Apr;41:101504. doi: 10.1016/j.eatbeh.2021.101504. Epub 2021 Mar 29.
Reference Type
DERIVED
Schvey NA, Shank LM, Tanofsky-Kraff M, Ramirez S, Altman DR, Swanson T, Rubin AG, Kelly NR, LeMay-Russell S, Byrne ME, Parker MN, Broadney MM, Brady SM, Yanovski SZ, Yanovski JA. Weight-based teasing in youth: Associations with metabolic and inflammatory markers. Pediatr Obes. 2021 Mar;16(3):e12729. doi: 10.1111/ijpo.12729. Epub 2020 Oct 15.
Reference Type
DERIVED
Related Links
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https://clinicalstudies.info.nih.gov/cgi/detail.cgi?A_2015-CH-0096.html
NIH Clinical Center Detailed Web Page
Other Identifiers
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150096
Identifier Type: -
Identifier Source: org_study_id
15-CH-0096
Identifier Type: -
Identifier Source: secondary_id
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