Low Carbohydrate Small Intestine Study

  • End date
    Jul 8, 2023
  • participants needed
  • sponsor
    University Hospital Inselspital, Berne
Updated on 8 June 2022
Accepts healthy volunteers


The investigators will recruit probands with a ileo- or colostoma that are otherwise in good general health and analyse the stomal fluids for their microbiota composition. Sampling will be performed over a time span of 28 days, after 14 days probands will modify their base-line diet to a low carbohydrate diet.


Additionally to stoma fluids which will be analyzed for their microbiota composition the investigators will also collect skin samples to analyze for microbiota composition and urine to analyze for metabolite composition.

Low carbohydrate diet will allow for consumption of 80g complex carbohydrates per day, simple sugars will have to be avoided completely

Condition Diet, Healthy
Treatment Diet modification
Clinical Study IdentifierNCT04976686
SponsorUniversity Hospital Inselspital, Berne
Last Modified on8 June 2022


Yes No Not Sure

Inclusion Criteria

Ileostomy or colostomy
Good general health
Written informed consent

Exclusion Criteria

Major metabolic diseases that prevent adherence to low carbohydrate diet
Participation in other clinical trial interfering with study protocol
Clear my responses

How to participate?

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What happens next?
  • You can expect the study team to contact you via email or phone in the next few days.
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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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