Hypovitaminosis D after bariatric surgery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Gastric bypass or duodenal switch performed in 2008-2011 at Akademiska hospital in Uppsala. Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 220 F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range
Exclusion criteria
Exclusion criteria: Medication that influences calciumhomeostasis. Planned vacation in a sunny country during the study period or use of cosmetic solarium.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Main Objective: To study the effect on vitamin D levels after bariatric surgery by administrating an injection of cholecalciferol at one occasion, compared to no treatment at all.;Secondary Objective: not applicable;Primary end point(s): Difference in vitamin D level before and three and six months after administration of cholecalciferol.;Timepoint(s) of evaluation of this end point: Three and six months post injection. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary end point(s): Not applicable;Timepoint(s) of evaluation of this end point: not applicable | — |
Countries
Sweden
Contacts
Department of Surgery