The Daytime Circadian Rhythm in Exhaled Volatile Organic Compounds in People Living Without and Diabetes
NCT ID: NCT05984979
Last Updated: 2025-12-08
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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RECRUITING
60 participants
OBSERVATIONAL
2023-08-07
2026-06-30
Brief Summary
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Detailed Description
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Conditions
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Study Design
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OTHER
OTHER
Study Groups
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People without diabetes
Standardized meal
The participants will receive a standardized meal for breakfast
People with type 1 diabetes
Standardized meal
The participants will receive a standardized meal for breakfast
People with type 2 diabetes
Standardized meal
The participants will receive a standardized meal for breakfast
Interventions
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Standardized meal
The participants will receive a standardized meal for breakfast
Eligibility Criteria
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Inclusion Criteria
* Age 18 or older
* HbA1c below 6.5%
* Written informed consent
Subgroup 2:
* Age 18 or older
* T1D (Type 1 diabetes) with MDI (multiple daily injection) or CSII (Continuous subcutaneous insulin infusion therapy) therapy \>1 year
* Written informed consent
Subgroup 3
* Age 18 or older
* T2D (Type 2 diabetes) with oral antidiabetic medication or insulin therapy
* Written informed consent
Exclusion Criteria
* Smoking (last cigarette less than 6 months ago)
* Any chronical lung and intestinal disease diagnosis (such as intestinal bowel disease (IBD); asthma; COPD (chronic obstructive pulmonary disease); lung cancer, …)
* Coeliac disease
* Lactose and fructose intolerance
* Any acute disease diagnosis (such as viral or bacterial infection)
* Drinking habit of more than four units of alcohol per day
* Current inhaled medicines treatments
* Antibiotic treatment in the previous 4 months
18 Years
ALL
Yes
Sponsors
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Insel Gruppe AG, University Hospital Bern
OTHER
DCB Research AG
OTHER
University of Bern
OTHER
Responsible Party
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Principal Investigators
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Lilian Witthauer, Prof.Dr.
Role: PRINCIPAL_INVESTIGATOR
University of Bern
Locations
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University of Bern
Bern, , Switzerland
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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VOCircle
Identifier Type: -
Identifier Source: org_study_id
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