Study Results
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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RECRUITING
60 participants
OBSERVATIONAL
2024-10-31
2026-06-30
Brief Summary
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Detailed Description
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Aim 1: Determine associations between interoception and non-homeostatic eating H1: Multi-systems measures of interoceptive awareness (e.g., heartbeat perception, gastric interoception, self-reported interoceptive awareness) will be inversely associated with intake (kcal) in the eating in the absence of hunger (EAH) task
Aim 2: Assess salivary ghrelin and leptin as interoceptive signals of hunger/satiety H1: Children with greater postprandial suppression of ghrelin will eat less in the EAH task H2: Children with greater postprandial suppression of ghrelin will have better interoceptive awareness H3: Children with higher leptin will exhibit less sensitivity to changes in ghrelin
Aim 3 (Exploratory): Identify interoceptive phenotypes that may predict obesity risk Using k-means cluster analysis, we aim to identify subgroups of individuals who exhibit different combinations of interoceptive variables. We will then examine differences in eating behavior and weight between clusters.
Participants will attend two study visits at the Clinical Research Center at Penn State University Park campus. At the first visit, children will have their height, weight, and body composition measured, complete measures of interoception, and complete surveys/interview. Parents will complete a survey. At the second visit, children will eat a meal, taste snacks, provide saliva samples, and play cognitive games on a tablet.
Conditions
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Keywords
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Study Design
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COHORT
CROSS_SECTIONAL
Eligibility Criteria
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Inclusion Criteria
* Participating parent must be at least 18 years of age, but there is no upper age limit
* Able to understand and answer questions in English
Exclusion Criteria
* Monogenic obesity condition (e.g., Prader Willi syndrome)
* Autism/autism spectrum disorder
* Developmental delay
* Eating disorder
* Diabetes
* Heart condition
* Taking medications impacting appetite (e.g., stimulants, weight control medications)
* Any other condition significantly impacting growth, eating behavior, or cardiac function
* Allergy or dietary restriction to study foods
* Severe/untreated oral/dental health problems
* Orthodontic procedure or adjustment of braces within the past omonth
* Oral surgery or major oral/dental procedure within past month
* Had an x-ray within the past month
7 Years
ALL
Yes
Sponsors
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Penn State University
OTHER
Responsible Party
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Emily Hohman
Associate Research Professor
Locations
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Pennsylvania State University
University Park, Pennsylvania, United States
Countries
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Central Contacts
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Facility Contacts
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Emily Hohman, PhD
Role: primary
Lindsey Hess
Role: backup
Other Identifiers
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STUDY00024712
Identifier Type: -
Identifier Source: org_study_id