NSS Grocery Store Brazil

NCT ID: NCT07249008

Last Updated: 2025-12-10

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

1068 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-12-08

Study Completion Date

2026-03-30

Brief Summary

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The purpose of this study is to assess the impact of non-sugar sweeteners (NSS) front-of-package labels (FOPL) on Brazilian parents' food and beverage selections for their children. The study includes three arms: 1. no NSS FOPL control group, 2. a group exposed to a NSS FOPL modeled after the Mexican warning label for NSS, and 3. a group exposed to a NSS FOPL using the magnifying glass symbol currently implemented in Brazil for nutrients of public health concern. Participants will be instructed to select products for their child, including one yogurt, three beverages (for breakfast, lunch, and dinner), one granola, and one cereal bar.

Detailed Description

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Conditions

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Control Group Mexico-based NSS FOPL Brazil-based NSS FOPL

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Control

Participants view the online store without any non-sugar sweetener front-of-package label

Group Type NO_INTERVENTION

No interventions assigned to this group

Mexico-based NSS FOPL

Participants view the online store with the Mexican-style non-sugar sweetener front-of-package label on eligible products

Group Type EXPERIMENTAL

Experimental : Mexico-based NSS FOPL

Intervention Type OTHER

Participants view the online store with the Mexican-style non-sugar sweetener front-of-package label on eligible products

Brazil-based NSS FOPL

Participants view the online store with the magnifying glass non-sugar sweetener front-of-package label like the one used in Brazil

Group Type EXPERIMENTAL

Experimental : Brazil-based NSS FOPL

Intervention Type OTHER

Participants view the online store with the magnifying glass non-sugar sweetener front-of-package label like the one used in Brazil

Interventions

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Experimental : Brazil-based NSS FOPL

Participants view the online store with the magnifying glass non-sugar sweetener front-of-package label like the one used in Brazil

Intervention Type OTHER

Experimental : Mexico-based NSS FOPL

Participants view the online store with the Mexican-style non-sugar sweetener front-of-package label on eligible products

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Adults aged 20 years or older,
* Living in Brazil
* Parents or guardians of children between 2 and 12 years old
* Primarily responsible for the household grocery shopping (more than 50%)
* Can read and understand Portuguese

Recruitment will occur nationwide through an online panel, with quotas for education, race, and geographic distribution to approximate the national profile.

Individuals will be excluded if

* Not a parent or guardian of a child aged 2-12 years
* Younger than 20 years
* Not primarily responsible for more than half of the household grocery shopping
* Unable to read or understand Portuguese
* Do not provide informed consent.
Minimum Eligible Age

20 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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George Washington University

OTHER

Sponsor Role lead

Responsible Party

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Allison Sylvetsky (Meni)

Associate Professor, Vice Chair of the Department of Exercise and Nutrition Sciences

Responsibility Role PRINCIPAL_INVESTIGATOR

Central Contacts

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Allison C Sylvetsky, PhD

Role: CONTACT

+1 202-994-9412

Mariana Fagundes Grilo, MHP

Role: CONTACT

Provided Documents

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Document Type: Study Protocol and Statistical Analysis Plan

View Document

Other Identifiers

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FWA00005945

Identifier Type: -

Identifier Source: org_study_id

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