the Bispebjerg Study of Diurnal Variations (DIURNAL)

Bispebjerg Hospital

Status: Completed

Conditions: Diurnal

Treatments: Other: Diurnal variation

Study type: Interventional

Funder types: Other

Identifiers

NCT06166368

Diurnal variations

Details and patient eligibility

About

To evaluate the influence of time of day on the circulating concentrations of various biochemical markers in healthy men

Enrollment: 24 patients

Sex: Male

Ages: 18 to 45 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Medically healthy
• Normal sleep-wake pattern

Exclusion criteria

• acute or chronic medical diseases
• had worked nightshifts the last 14 days before the study
• transatlantic traveling the last 14 days before the study
• had been smoking the last 14 days before the study
• had an irregular sleep-wake pattern,
• didn't sleep 7-8 hours pr night
• were extreme morning- or evening types,
• had plasma hemoglobin < 8.0 mmol/L
• ody mass index (BMI) <18.5 kg/m2 or >24.9 kg/m2.

Trial design

Primary purpose: Basic Science

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

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24 participants in 1 patient group

diurnal variations

Experimental group

Description:

Venous blood samples were obtained under standardized conditions from 24 healthy young men every third hour through 24 hours

Treatment:

Other: Diurnal variation