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Impact of Shift Work on Glucose and Lipid Metabolism of Hospital Workers

RecruitingN/A

Sponsor: Olga Ramich (formerly Pivovarova)

Conditions: Chronodisruption, Shift Work Disorder, Glucose and Lipid Metabolism

Countries: Germany

The aim of the study is to evaluate circadian glucose, activity and dietary rhythms, as well as metabolic and cardiovascular risk associated with night shift work, sleep quality and well-being in a cohort of hospital staff, comparing employees with night shifts to employees without night shifts.

Eligibility overview

Sex: ALL

Age: 18 Years to 67 Years

Healthy volunteers: Yes

Study type: OBSERVATIONAL

Eligibility criteria

Inclusion Criteria:

* Aged between 18 and 67
* Male or female
* Currently employed
* Body-Mass-Index (BMI) \<40 kg/m2
* Working hours ≥28 hours/week
* Employees working night shifts (group A): (1) Working night shifts for \>1 year, (2) at least two night shifts within the 2-week observation period
* Employees not working night shifts (group B): No night shifts for \>1 year
* Capable of giving consent
* Health insurance
* Good knowledge of German

Exclusion Criteria:

* Pregnancy and breastfeeding
* Special diets, e.g. intermittent fasting
* Severe acute or chronic diagnosed conditions, e.g., diabetes mellitus, liver or kidney disease (e.g., cirrhosis of the liver or kidney disease with a GFR \< 60), heart attack within the last 6 months, stroke, or systemic infections; current cancer or cancer diagnosed within the last 2 years
* Bariatric surgery
* Hereditary or acquired blood clotting disorders
* severe mental health conditions, e.g., substance use disorders, eating disorders, or uncontrolled depression (individual assessment by study staff, if necessary following consultation with a physician)
* Holiday in a different time zone (≥ 2 hours time difference) one month before study participation or within the 2-week observation phase
* Participation in another study that could influence the results of the current study
* Specific drug therapies that could influence the study results, e.g., antidiabetic medications including GLP-1 analogs, melatonin (Individual assessment by study staff, if necessary after consultation with a physician)
* Implanted electronic medical devices, e.g., pacemakers or neurostimulators (to be assessed on a case-by-case basis by study staff, following consultation with a physician if necessary)
* Physical or mental difficulties in understanding and following instructions from study staff

Locations (2)

Berlin, Germany
Berlin, Germany