Circadian Rhythm, Copeptin Blood Levels
Conditions
Brief summary
The circadian rhythm of copeptin will be examined in healthy subjects.
Detailed description
In 18 healthy volunteers the circadian rhythm of copeptin will be examined by withdrawing blood samples for copeptin levels every 30 minutes for 24 hours.
Interventions
OTHERobservation
blood sampling during 24 hours
Sponsors
University Hospital, Basel, Switzerland
Study design
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
18 Years to 50 Years
Healthy volunteers
Yes
Inclusion criteria
* healthy subjects
Exclusion criteria
* acute illness * chronic illness * pregnancy * Anemia defined as Hb \< 30g/l
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| measurement of copeptin values in mmol/l within 24 hours to assess the amount of release in a day curve. | 24 hours | The primary outcome measure is to compare the copeptin concentration in the early afternoon and the early morning by blood sampling at different time points. Evaluation of the question if there is a circadian rhythm in the copeptin release. |
Countries
Switzerland
Outcome results
None listed