Non-alcoholic, Fiber-enriched Beer and Its Effect on Blood Glucose Concentration
NCT ID: NCT07131904
Last Updated: 2025-08-20
Study Results
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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NOT_YET_RECRUITING
NA
25 participants
INTERVENTIONAL
2025-08-12
2025-10-15
Brief Summary
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The beverages are a non-alcoholic, fiber-enriched beer, a conventional non-alcoholic beer, and a sugar solution. Participants drink one of these beverages on different days. Afterwards, a sensor on the upper arm is used to measure the sugar content in the body fluid under the skin over a period of two hours.
The aim is to find out how much blood sugar concentration rises after drinking. This will be used to check whether the non-alcoholic, fiber-enriched beer has a more favorable effect on sugar metabolism than conventional beverages. Participation is voluntary, and the data will be treated confidentially.
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
CROSSOVER
BASIC_SCIENCE
TRIPLE
Study Groups
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non-alcoholic, fiber-enriched beer (FEB)
non-alcoholic, fiber-enriched beer (FEB)
500 ml FEB consumed once during a test day in a randomized crossover design. Postprandial blood glucose is monitored for 120 minutes using a continuous glucose monitor (FreeStyle Libre 3).
conventional, non-alcoholic beer
conventional, non-alcoholic beer
500 ml conventional non-alcoholic beer consumed once during a test day in a randomized crossover design. Postprandial blood glucose is monitored for 120 minutes using a continuous glucose monitor (FreeStyle Libre 3).
glucose solution
glucose solution
Glucose solution containing 12.5 g glucose in 500 ml water, consumed once during a test day in a randomized crossover design. Postprandial blood glucose is monitored for 120 minutes using a continuous glucose monitor (FreeStyle Libre 3).
Interventions
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non-alcoholic, fiber-enriched beer (FEB)
500 ml FEB consumed once during a test day in a randomized crossover design. Postprandial blood glucose is monitored for 120 minutes using a continuous glucose monitor (FreeStyle Libre 3).
conventional, non-alcoholic beer
500 ml conventional non-alcoholic beer consumed once during a test day in a randomized crossover design. Postprandial blood glucose is monitored for 120 minutes using a continuous glucose monitor (FreeStyle Libre 3).
glucose solution
Glucose solution containing 12.5 g glucose in 500 ml water, consumed once during a test day in a randomized crossover design. Postprandial blood glucose is monitored for 120 minutes using a continuous glucose monitor (FreeStyle Libre 3).
Eligibility Criteria
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Inclusion Criteria
* Body mass index (BMI) between 18.5 and 29.9 kg/m²
* Signed informed consent
Exclusion Criteria
* Gastrointestinal diseases
* Hormonal or other metabolic diseases
* Allergies or intolerances to beer ingredients
* Professional sports (\>10 hours/week of intense exercise)
* Special diets (e.g., low-carb, intermittent fasting)
* Sleep disorders or inability to maintain regular sleep (e.g., shift work)
* Pregnancy or breastfeeding
* Smoking
* Inability to speak German or English
* Problems with alcohol, drug, or medication abuse
* Inability to sign informed consent
18 Years
60 Years
ALL
Yes
Sponsors
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David Faeh
OTHER
Responsible Party
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David Faeh
Prof. Dr. med. David Fäh
Central Contacts
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Other Identifiers
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Fiberbeer trial
Identifier Type: -
Identifier Source: org_study_id
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