The Combined Effects of Energy Density and Variety on Intake

NCT07663214 | Not Yet Recruiting

• 1 other identifier: IRB0150706
• Study Type: interventional
• Target: 50
• Locations: 1 country
• Sites: 1

Brief Summary

The primary purpose of this study is to investigate the influence independent fn combined influence of variety and energy density on food intake at a meal. Additionally, individual characteristics will be examined for their influence on the effects of variety and energy density on intake.

Conditions

Eating Behaviors

Outcome Measures

Primary Outcomes (2)

• Change in food intake

  Weight (grams) of the food consumed

  Weeks 1, 2, 3, 4

• Change in energy intake

  Energy (kcal) of the food consumed

  Weeks 1, 2, 3, 4

Secondary Outcomes (14)

• Change in water intake

  Weeks 1, 2, 3, 4

• Change in meal duration

  Weeks 1, 2, 3, 4

• Change in eating rate

  Weeks 1, 2, 3, 4

• Change in sip count

  Weeks 1, 2, 3, 4

• Change in bite count

  Weeks 1, 2, 3, 4

Study Arms (4)

Low variety, Low ED

EXPERIMENTAL

One low energy dense food served

Other: Low Variety; Other: Low ED

Low variety, High ED

EXPERIMENTAL

One high energy dense foods served

Other: Low Variety; Other: High ED

High variety, Low ED

EXPERIMENTAL

Three low energy dense foods served

Other: High Variety; Other: Low ED

High variety, High ED

EXPERIMENTAL

Three high energy dense foods served

Other: High Variety; Other: High ED

Interventions

Low Variety OTHER

Only one food served

Low variety, High ED; Low variety, Low ED

High Variety OTHER

Three foods served

High variety, High ED; High variety, Low ED

Low ED OTHER

Foods are low in energy density

High variety, Low ED; Low variety, Low ED

High ED OTHER

Foods are high in energy density

High variety, High ED; Low variety, High ED

Eligibility Criteria

• Age: 20 Years - 60 Years
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64)

You may qualify if:

• Regularly consume 3 meals per day
• Like, are willing to eat, and do not have allergies to the study foods
• Are willing to refrain from drinking alcohol the day before study visits
• Are willing to consume a consistent breakfast the day of study visits
• Have a BMI between 18.5-29.9 kg/m2

You may not qualify if:

• Experienced a weight change \>5 kg in the past month
• Are a smoker
• Are an athlete in training
• Take medications or have a health condition known to affect appetite
• Are pregnant or breastfeeding
• Have ever been diagnosed with an eating disorder or depression
• Specialize in the fields of psychology or nutritional sciences.

Sponsors & Collaborators

• Cornell University: lead

Study Sites (1)

Cornell University

Ithaca, New York, 14850, United States

Location

MeSH Terms

Conditions

Feeding Behavior

Condition Hierarchy (Ancestors)

Behavior, Animal; Behavior

Study Officials

• Paige M Cunningham, PhD

  Cornell University

  PRINCIPAL INVESTIGATOR

Central Study Contacts

Paige M Cunningham, PhD

CONTACT

607-255-2650; pmc242@cornell.edu

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: SINGLE
• Who Masked: PARTICIPANT
• Purpose: BASIC SCIENCE
• Intervention Model: CROSSOVER
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: June 17, 2026
• First Posted: June 23, 2026
• Study Start: July 1, 2026
• Primary Completion (Estimated): July 1, 2027
• Study Completion (Estimated): July 31, 2027
• Last Updated: June 23, 2026

Record last verified: 2026-06

Data Sharing

• IPD Sharing: Will not share

Locations

US (1)