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Study reveals: mixing veggies into pasta may change your meal intake

NCT ID NCT02505230

Knowledge-focused Sponsor: The University of Tennessee, Knoxville Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at how serving vegetables mixed into pasta or on the side affects how much normal-weight adults eat. Forty-five participants ate pasta with zucchini and squash presented in three different ways. Researchers measured how much pasta and vegetables were eaten, along with hunger, fullness, and liking. The goal was to understand how meal presentation influences energy intake.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 45 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jul 2015

Finished

Dec 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 35 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Body mass index (BMI) between 18.5 to 24.9 kg/m\^2 * Unrestrained eater (\<12 on Three Factor Eating Questionnaire \[TFEQ\]) * Report liking Fettucini Alfredo, zucchini, and squash (rate all items \>50mm on a visual analogue scale \[VAS\]) * Report regularly eating before 10 am * Can compete all sessions within 8 weeks of the screening session Exclusion Criteria: * Report binge eating * Report a medical condition that influences eating * Report allergies to foods used in the investigation * Currently smoke * Report dietary restrictions * Report taking a medication that affects appetite * Report being pregnant or breast-feeding * Report being an athlete in training

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Energy density Meal presentation VOLUME

Contacts and locations

Locations

  • Healthy Eating and Activity Laboratory, University of Tennessee

    Knoxville, Tennessee, 37996, United States

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