Breakfast battle: whole grains vs. refined grains – which is best for you?
NCT ID NCT06992921
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at how over 1,600 people's bodies react to different breakfasts, like whole grain vs. refined grain and high-fat vs. high-carb. Researchers measured blood sugar, fats, and other markers after meals to understand why responses vary. The goal is to pave the way for personalized nutrition advice based on individual health and gut bacteria.
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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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1,641 people
The number who actually took part.
- Started
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Jan 2024
- Finished
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Dec 2025
- 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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Children (under 18), adults (18 to 64) and older adults (65 and over)
- 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: \- Participants from the Swedish CArdioPulomonary bioImage Study (SCAPIS) Exclusion Criteria: * Food allergies or intolerances preventing consumption of any products included in the study * Bariatric surgery, gastric bypass, or sleeve.
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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.
Contacts and locations
Locations
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Region Västerbotten (Kliniskt Forskningscentrum)
Umeå, Västerbotten County, 901 85, Sweden
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Sahlgrenska University Hospital (Östra Hospital)
Gothenburg, Västra Götaland County, 416 50, Sweden
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