Melatonin assessment on sleep and metabolism of overweight night workers

Not Applicable

• Conditions: utritional and metabolic diseases; Overweight; Obesity; Shift Work Schedule; Women; I03.946.225.250; C18.654.726.500; C23.888.144.699; M01.975

• Registration Number: RBR-6pncm9
• Lead Sponsor: niversidade de São Paulo

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2019-10-29
• Last Update Posted: 29 May 2023

Recruitment & Eligibility

• Status: Recruitment completed
• Sex: Female
• Target Recruitment: Not specified

Inclusion Criteria

Women; age 20-50 years; body mass index less than ou equal to 25.0 and less than 40.0 kg/m²; working for at least six months on the current night shift; commiting not to change eating or physical activity habits while participating in the study.

Exclusion Criteria

Pregnant women; lactants; having children under one year old; eating disorders diagnosed by a doctor; holding a second night shift job; body mass index less than 25.0 or more than or equal to 40.0 kg/m²; regular use of medications or supplements that influence sleep, alertness and the circadian timing system (barbiturates, antidepressants, benzodiazepines, soporifics, melatonin, methylphenidate, modafinil); past history of neurological or psychiatric disorders, drug and/or alcohol abuse, sleep-wake cycle disorders, cardiovascular disease (excess treated systemic arterial hypertension), metabolic problems (except treated dyslipidemia and type 2 diabetes mellitus), inflammation and/or physician-diagnosed chronic infections; having had anemia or donated more than 400 ml of blood in the last three months prior to study participation; having had major surgery in the last six months prior to participating in the study.

Study & Design

• Study Type: Intervention
• Study Design: Not specified