The aim of the study is to investigate the effects of preoperative Saxenda (liraglutide). There are two groups, one group receives Saxena in addition to dietary measures when first seeking the operation, one group only diet. The investigator is researching how much additional preoperative weight loss is possible with the drug admitted preoperatively.
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% total weight loss
Timeframe: body weight and bmi will be assessed immediately when admission to the study is done as reference value and at at time of operation, which is 6 months after admission to the study, as outcome value