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Sugary Drink Labeling Study

NCT ID: NCT07294053

Last Updated: 2025-12-19

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Clinical Phase

NA

Total Enrollment

543 participants

Study Classification

INTERVENTIONAL

Study Start Date

2026-02-28

Study Completion Date

2028-02-29

Brief Summary

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This study aims to examine the effects of added sugar warning labels on sugary drinks. Participants will be assigned to view either added sugar warning labels or control labels, applied on sugary drinks in an experimental store. Participants will shop for beverages in the store and take a computer survey at 4 visits spaced approximately 1 week apart.

Detailed Description

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This study aims to determine whether new added sugar warnings on sugary drinks lead to decreased amount of added sugar purchased from sugary drinks. The investigators aim to enroll approximately 543 adults ages 18 and older who have consumed at least one sugary drink in the past week. Participants will attend 4 in-person study visits at the study experimental store, spaced approximately 1 week apart. Participants will be randomized to 1 of 2 trial arms at the time of scheduling. At the first visit, participants will provide written informed consent. At each study visit, participants will shop for beverages in the store and take a computer survey. Participants will view sugary drinks in the store labeled per their trial arm. Researchers will record in-store purchases, and other self-reported measures will be assessed via the computer surveys.

Conditions

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Health Behavior

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Added sugar warning

Group Type EXPERIMENTAL

Added sugar warning

Intervention Type BEHAVIORAL

The added sugar warning will say "High in added sugar." The warning will be in an octagon-shaped label. These warnings will be placed on the front of sugary drink containers in the experimental store.

Control label

Group Type OTHER

Control label

Intervention Type BEHAVIORAL

The control label will display a barcode in a square shape. These labels will be placed on the front of sugary drink containers in the experimental store.

Interventions

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Added sugar warning

The added sugar warning will say "High in added sugar." The warning will be in an octagon-shaped label. These warnings will be placed on the front of sugary drink containers in the experimental store.

Intervention Type BEHAVIORAL

Control label

The control label will display a barcode in a square shape. These labels will be placed on the front of sugary drink containers in the experimental store.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* 18 years and older
* Bought sugary drinks from a store at least once during the past week
* Willing to attend 4 in-person study appointments

Exclusion Criteria

* Living in the same household as someone else in the study
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

NIH

Sponsor Role collaborator

University of North Carolina, Chapel Hill

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Marissa Hall, PhD

Role: PRINCIPAL_INVESTIGATOR

University of North Carolina, Chapel Hill

Lindsey Smith Taillie, PhD

Role: PRINCIPAL_INVESTIGATOR

University of North Carolina, Chapel Hill

Locations

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The University of North Carolina at Chapel Hill

Chapel Hill, North Carolina, United States

Site Status

Countries

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United States

Central Contacts

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Violet Noe, MPH, RDN

Role: CONTACT

Phone: 984-229-8923

Email: [email protected]

Facility Contacts

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Violet Noe, MPH, RDN

Role: primary

Other Identifiers

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R01DK135743

Identifier Type: NIH

Identifier Source: secondary_id

View Link

24-0901a

Identifier Type: -

Identifier Source: org_study_id