ClinicalTrials.gov record

Completed No phase listed Observational Accepts healthy volunteers Results available

PortionSize Study 1 Laboratory-based Evaluation)

ClinicalTrials.gov ID: NCT04700904

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This page only displays public information reproduced from the official ClinicalTrials.gov record NCT04700904. It adds no medical advice, opinions, or eligibility judgments. The official record remains the source of truth for eligibility criteria, enrollment, and contact information.

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ClinicalTrials.gov public records Last synced Nov 15, 2026, 8:13 AM EST

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Official title

The Reliability and Validity of the PortionSize and MyFitnessPal Apps (Study 1: Laboratory-based Evaluation)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The objective is to test the accuracy and user satisfaction of the PortionSize™ app and the MyFitnessPal© app during laboratory controlled test meals.

Study identification

NCT ID: NCT04700904
Recruitment status: Completed
Study type: Observational
Phase: Not listed
Lead sponsor: Pennington Biomedical Research Center; Other
Enrollment: 43 participants

Conditions and interventions

Conditions

Dietary Habits

Interventions

Not listed

Eligibility (public fields only)

Age range: 18 Years to 70 Years
Sex: All
Healthy volunteers: Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date: Feb 10, 2021 (Actual)
Primary completion: Oct 6, 2021 (Actual)
Completion: Dec 31, 2024 (Actual)
Last update posted: Jan 27, 2025

2021 – 2024

United States locations

U.S. sites: 1
U.S. states: 1
U.S. cities: 1

Facility	City	State	ZIP	Site status
Pennington Biomedical Research	Baton Rouge	Louisiana	70808	—

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows: Public field values for ClinicalTrials.gov record NCT04700904, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do: No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from: Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh: Last update posted Jan 27, 2025 · Synced Nov 15, 2026