Title
Melatonin and Glucose Tolerance Among Individuals With a Variant of the MTNR1B Gene
Does Melatonin Treatment Affect Glucose Tolerance Among Individuals With a Variant (rs10830963) of the Melatonin Receptor 1B (MTNR1B) Gene?
Phase
Phase 3Lead Sponsor
University of HelsinkiStudy Type
InterventionalStatus
Completed No Results PostedIndication/Condition
Diabetes Glucose ToleranceIntervention/Treatment
melatonin ...Study Participants
45The effect of 3 months of melatonin 4mg treatment on glucose tolerance in different variants of the melatonin receptor 1B gene will be evaluated. The following will be done at 0 and 3 months:
OGTT
questionnaires about sleep and activity
Actigraph
Anthropometry
Blood pressure
http://www.sciencedirect.com/science/article/pii/S1550413116301607
All subjects receive the same dose of melatonin
Inclusion Criteria: signed informed concent Known genotype for MTNR1B from the Botnia-ppp study Age 18-75 years Exclusion Criteria: Diabetes Positive GAD-ab Sever dysregulated hypertension glaucoma severe coronary heart disease or arrythmias previous or ongoing severe ventricle or duodenal ulcer psychosis or anxiety disorder regular use of sleep pills, antidepressants or neuroleptics creatinine > 130 µmol/L elevated liver enzymes (ASAT, ALAT, ALP, GT, bilirubin) > 3 times reference value inability to sign informed concent other factor with according to the physician may affect treatment or results. participation in other clinical study allergy to melatonin or other substance in the capsule hereditary galactose intolerance or glucose/galactose malabsorption intention to become pregnant