AzTrials
AzTrials

Pediatric ObesityNCT05177705

The Intersection Between Loss of Control Eating and Obesity: The Role of Restriction and Food Reinforcement

A study testing Restricted access task and Structured Intake in people with Pediatric Obesity and Nutrition Disorders, run by State University of New York at Buffalo at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

This study aims to determine the relationships among loss of control eating, restriction, relative reinforcing value of high energy-dense food, and obesity risk. In order to achieve this aim, the investigators will follow children over the course of a year, obtaining behavioral and observational measurements, in… Read more about this study

Who is it for?
Ages 8 to 11 yearsHealthy volunteers can take part
What is being tested?
Restricted access task and Structured Intake
Could I receive a placebo?
No, everyone receives an active treatment
How many people
126 participants
Where
1 siteUnited States
Study dates
11 Nov 2021to 22 May 2025
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 8 to 11 years
  • All sexes
  • Healthy volunteers accepted
  • Child

Who may be able to join

  • Children (male and female) ages 8-11
  • At risk for obesity or with obesity (defined as either having a BMI percentile that classifies the child as having overweight-BMI >85th percentile but <99th OR one + biological parent with overweight/obesity-BMI >25)
  • Rating of neutral or higher for 50% of the study foods
  • Consumption of one of the study foods at least twice/week

Who cannot join

  • Children below age 8 or above age 11
  • Not at risk for obesity (defined as having a BMI percentile that classifies the child as having normal weight-BMI <85th percentile without having a parent with overweight or obesity)
  • Allergic to study foods
  • Dislike of study foods (Less than 50% of the study foods rated neutral or higher)
  • Does not consume at least one study food at least twice/week
  • Current diagnosis of a clinical eating disorder (ED)
  • Use of medications known to affect appetite (Ritalin, Adderall, Concerta, Wellbutrin, Prednisone, etc)
  • Unwillingness to complete study visits

Trial locations and contacts

1 site in 1 country.

United States1 site
  • State University of New York at Buffalo, South Campus

    Buffalo, New York, 14214

Other trials in United States

About this study

This study aims to determine the relationships among loss of control eating, restriction, relative reinforcing value of high energy-dense food, and obesity risk. In order to achieve this aim, the investigators will follow children over the course of a year, obtaining behavioral and observational measurements, in addition to a two-week restricted access and two week non-restricted access period.

Read the detailed description

The study will be mostly observational but will also include a randomized, cross-over design (the restricted access paradigm). The investigators will recruit children at risk for obesity in Erie County, New York (N=100, 50 boys, 50 girls). The study will include 4 visits at baseline and follow-up visits at 6 and 12 months. At the first visit, the participants will complete consent, height/weight/body fat, questionnaires, and complete a delayed discount task and the relative reinforcing value task. The participants will be randomized to have two weeks of restricted access first or two weeks of non-restricted access first, and then will come into the laboratory to do the loss of control test meal. Then they will have a one-week washout period, and will then complete the other two weeks of restricted/not restricted access. Following this, they will complete the loss of control test meal again. At the follow-up visits, participants will come into the laboratory to have their height/weight/body fat measured, complete questionnaires, and complete the delayed discounting task, food reinforcement and loss of control test meals. Participants will be compensated for their time after each visit. The details of the measures and procedures are outlined below.

Being tested
Restricted access task, Structured Intake
Keywords
Relative Reinforcing Value, Obesity Risk, Children, Loss of Control, Restriction
Medical subject headings
Pediatric Obesity, Nutrition Disorders, Bulimia, Body Weight

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Restricted access taskBehavioural

    In the restriction period participants will have their preferred (chosen after doing a preference task, including liking) food and similar alternatives restricted by their parent for 2 weeks.

  • Structured IntakeBehavioural

    In the structured intake period, participants and their parents will be given several portions of the preferred food (chosen after doing a preference task, including liking) and will consume it throughout the two-week period.

Study groups in NCT05177705
Study groupRoleWhat they receive
Behavioral restriction first then structured intakeExperimentalThis arm reflects participants assigned to the restriction - first condition order. In the restriction period participants will have their preferred (chosen after doing a preference task, including liking) food and similar alternatives restricted by their parent for 2 weeks. In the structured intake period period, participants and their parents will be given several portions of the preferred food (chosen after doing a preference task, including liking) and will consume it throughout the two-week period.
Receives: Behavioral: Restricted access task; Behavioral: Structured Intake
Structured intake first then behavioral restrictionExperimentalThis arm reflects participants assigned to the structured intake - first condition order. In the structured intake period, participants and their parents will be given several portions of the preferred food (chosen after doing a preference task, including liking) and will consume it throughout the two-week period. In the restriction period participants will have their preferred (chosen after doing a preference task, including liking) food and similar alternatives restricted by their parent for 2 weeks.
Receives: Behavioral: Restricted access task; Behavioral: Structured Intake

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Overall kcal and STUDY Food kcal Consumed After the Intervention Conditions (Behavioral Restriction and Structured Intake)

    This measure examines the energy intake during test meal after BOTH paradigm conditions: behavioral restriction (2 weeks of restricted access to the STUDY food and similar items followed by a test meal) and structured intake (2 weeks to consume 8 provided portions of the STUDY food followed by a test meal). Conditions occurred between session 2 and session 3, and session 3 and session 4. All participants were exposed to both conditions, these conditions were randomized and there was a one week wash out period week between the two conditions.

    Measured: Visit 3 (day 21) and visit 4 (day 42)

  2. Overall Macronutrients Consumed After the Intervention Conditions (Behavioral Restriction and Structured Intake)

    This measure examines the macronutrient intake during test meal after BOTH paradigm conditions: behavioral restriction (2 weeks of restricted access to the STUDY food and similar items followed by a test meal) and structured intake (2 weeks to consume 8 provided portions of the STUDY food followed by a test meal). Conditions occurred between session 2 and session 3, and session 3 and session 4. All participants were exposed to both conditions, these conditions were randomized and there was a one week wash out period week between the two conditions.

    Measured: Visit 3 (day 21) and visit 4 (day 42)

Secondary outcomes (4)
  1. Association Between the Logged Relative Reinforcing Value (RRV Log) of a High Energy Dense Food (Referred to as the STUDY Food) and Loss of Control (LOC)

    Relationships will be examined between the relative reinforcing value (RRV) of the STUDY food (which was measured at SESSION 1) and self-reported loss of control (LOC) eating (which was measured at the session 2 test meal; control test meal; no intervention occurred leading up to this test meal). RRV refers to how hard an individual is willing to work for a food and it is measured via the logged value of total responses (the logged value adjusts for skews). Scores range from 0 to 9.232. Higher values (worse outcome) indicate that an individual is willing to work harder (click longer) for their STUDY food. LOC eating was self - reported through a yes (value: 1; worse outcome) or no (value: 0; better outcome) question completed after the participant finished eating at the session 2 (control) test meal.

    This outcome measure is focused on the survey data (thus, scores on a scale).

    Measured: Session 1 (day 1) and Session 2 (day 7)

  2. Association Between the Logged Relative Reinforcing Value (RRV Log) of a High Energy Dense Food (Referred to as the STUDY Food) and Loss of Control (LOC)

    Relationships will be examined between the relative reinforcing value (RRV) of the STUDY food (which was measured at SESSION 1) and self-reported loss of control (LOC) eating (which was measured at the SESSION 2 test meal; control test meal; no intervention occurred leading up to this test meal). RRV refers to how hard an individual is willing to work for a food and it is measured via the logged value of total responses (the logged value adjusts for skews). Scores range from 0 to 9.232. Higher values (worse outcome) indicate that an individual is willing to work harder (click longer) for their STUDY food. LOC eating was self - reported through a yes (value: 1; worse outcome) or no (value: 0; better outcome) question completed after the participant finished eating at the session 2 (control) test meal.

    This outcome measure is focused on the RRV measure, with the unit of Log(Response), as it is measured using the logged value of total responses to adjust for skew.

    Measured: Session 1 (day 1) and Session 2 (day 7)

  3. Relationship Between Self-reported Loss of Control (LOC) Eating and Energy Intake During Session 2 (Control) Test Meal

    Relationships between self-reported feelings of LOC after the session 2 test meal and energy intake during the session 2 test meal (control test meal; no intervention occurred leading up to this test meal) will be assessed. LOC eating was self - reported through a yes (value: 1; worse outcome) or no (value: 0; better outcome) question completed after the participant finished eating at the session 2 (control) test meal. .

    Measured: Session 2 (day 7)

  4. Relationship Between Self-reported Loss of Control (LOC) Eating and Macronutrient Intake During the Session 2 (Control) Test Meal

    Relationships between self-reported feelings of LOC after the session 2 test meal and macronutrient intake during the session 2 test meal (control test meal; no intervention occurred leading up to this test meal) will be assessed. LOC eating was self - reported through a yes (value: 1; worse outcome) or no (value: 0; better outcome) question completed after the participant finished eating at the session 2 (control) test meal. These analyses will look at how self-reported feelings of LOC during the session 2 test meal predict macronutrient intake during that same test meal.

    Measured: Session 2 (day 7)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted4 Jan 2022
  2. Study start11 Nov 2021
  3. Primary completion22 May 2025
  4. Study completion22 May 2025

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Crossover
Masking
None (open label)
Enrolment
126 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05177705
Sponsor's protocol ID
STUDY00002806
Other IDs
K01DK120778
Status last verified
Sep 2026
First submitted
10 Dec 2021
Last updated
1 Oct 2026
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A study testing Restricted access task and Structured Intake in people with Pediatric Obesity and Nutrition Disorders, run by State University of New York at Buffalo at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 1 Oct 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Yes. Results are posted in the registry (first posted 1 Oct 2026). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Overall kcal and STUDY Food kcal Consumed After the Intervention Conditions (Behavioral Restriction and Structured Intake) (time frame: Visit 3 (day 21) and visit 4 (day 42)). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 1 Oct 2026.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in