Online grocery policies tested to fight chronic disease
NCT ID NCT07422922
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether adding taxes on unhealthy foods, nutrition labels, and checkout restrictions in online grocery and restaurant stores can help people buy fewer ultra-processed foods. Researchers will enroll 300 adults and track what they purchase in a simulated online store. The goal is to see if these policies can reduce calories, sodium, saturated fat, and added sugars from unhealthy products.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- suite of healthy food policies (taxes, nutrition labels, checkout regulations)
- What this could lead to
- If successful, this could show that simple online shopping policies help people choose healthier foods, potentially reducing obesity, diabetes, and heart disease.
- What could go wrong
- This is a behavioral study in a simulated online store, not a real-world setting. Results may not translate to actual shopping habits or long-term health changes.
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
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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
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About 300 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2026
- Expected to finish
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Apr 2028
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * ≥18 years old * Not currently eligible for or participating in SNAP or another government program that automatically qualifies the person for SNAP (e.g., WIC, TANF) * Meets the following income eligibility requirements: For participants living in the Houston or San Antonio areas, their household income must be greater than 165% of the federal poverty level, but less than the Texas state median household income (based on the 2023 American Community Survey) for their household size \[11\]. For participants living in the Philadelphia area, their income must be greater than 200% of the federal poverty level, but less than the Pennsylvania state median household income (based on the 2023 American Community Survey) for their household size \[11\]. * Reports consuming food from McDonald's or a similar fast-food chain at least once a month * Does most of the grocery shopping for the household * Can adhere to the study schedule (e.g., receive a lunch on a Wednesday) * Has regular internet access * Has a smart phone that can take pictures * Resident of Houston, TX, San Antonio, TX or Philadelphia, PA or the surrounding areas and plans to be there for the next six weeks * Household size of six or fewer people * Have an address eligible for receiving Grubhub+ and Walmart+ deliveries Exclusion Criteria: * Does not meet all of the inclusion criteria * Cognitive impairment; per PIs discretion * Participant is under 18 years old * Does not speak English or Spanish
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of Pennsylvania
RECRUITINGPhiladelphia, Pennsylvania, 19104, United States
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