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Completed No phase listed Observational Results available

PortionSize Study 3: Assessment in Free-living Conditions

ClinicalTrials.gov ID: NCT05906160

Public ClinicalTrials.gov record NCT05906160. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Nov 6, 2026, 8:33 PM EST

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Official title

The Reliability and Validity of the PortionSize™ and MyFitnessPal Apps (Study 3: Assessment in Free-living Conditions).

Brief summary

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

The objective is to test the accuracy of the PortionSize™ app and the MyFitnessPal© app at measuring energy intake in free-living conditions, tested against the gold-standard, doubly labeled water. Participants will use PortionSize™ and MyFitnessPal apps in separate periods to test the accuracy of the respective apps.

Study identification

NCT ID
NCT05906160
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Enrollment
63 participants

Conditions and interventions

Conditions

Interventions

Not listed

Eligibility (public fields only)

Age range
18 Years to 62 Years
Sex
All
Healthy volunteers
Not listed

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

Study timeline

Start date
Jun 22, 2023 (Actual)
Primary completion
Nov 25, 2024 (Actual)
Completion
Mar 31, 2026 (Actual)
Last update posted
Oct 19, 2026

2023 – 2026

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Pennington Biomedical Research Center 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 NCT05906160, 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 Oct 19, 2026 · Synced Nov 6, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT05906160 live on ClinicalTrials.gov.

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