Influence of Obesity and Gastric Bypass on Medication Absorption

Summary

Participation Requirements

Description

Target group: patients who have scheduled a gastric bypass in UZ Leuven. Patients will be questioned preoperatively and one, three, six and twelve months after gastric bypass surgery. Each assessment will be performed during a routine consultation. The following aspects will be investigated: Medicat...

Target group: patients who have scheduled a gastric bypass in UZ Leuven. Patients will be questioned preoperatively and one, three, six and twelve months after gastric bypass surgery. Each assessment will be performed during a routine consultation. The following aspects will be investigated: Medication The investigators have composed a questionnaire to examine which drugs the patients use, adherence, information received about medication and from whom,… Clinical parameters Every consultation, concentrations of hemoglobin, iron, hepcidin, vitamin B12,…. and a 24h urine collection to determine calcium excretion will be collected. Dietary intake The investigators will ask patients to keep a food record during two non-consecutive days preceding each consultation. In this food record patients have to note all consumed foods and beverages with the right/estimated amounts. This makes it possible to see the changes of the composition of the meals before and after RYGB. Body composition

Tracking Information