NCT05984979 The Daytime Circadian Rhythm in Exhaled Volatile Organic Compounds in People Living Without and Diabetes
| NCT ID | NCT05984979 |
| Status | Recruiting |
| Phase | — |
| Sponsor | University of Bern |
| Condition | Diabetes Mellitus |
| Study Type | OBSERVATIONAL |
| Enrollment | 60 participants |
| Start Date | 2023-08-07 |
| Primary Completion | 2026-06-30 |
Trial Parameters
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Brief Summary
Exhaled volatile organic compounds will be measured during daytime with the goal to identifying circadian variability. The study incudes three subgroups: people without diabetes, people with type 1 diabetes, and people with type 2 diabetes. A total of 60 people will be recruited for the study.
Eligibility Criteria
Inclusion criteria Subgroup 1: * 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 * Pregnancy or breastfeeding * 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
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