Effect of Liraglutide on Long-term Weight Maintenance and Additional Weight Loss Induced by a 4 to 12 Week Low Calorie Diet in Obese Subjects; A 56 Week Randomised, Double-blind, Placebo Controlled, Parallel Group, Multicentre Trial With a 12 Week Follow-up Period

This trial is conducted in North America. The aim of this clinical trial is to evaluate the potential of liraglutide to maintain long term weight loss in obese non-diabetic subjects, as well as in overweight subjects who have medical problems such as hypertension (high blood pressure) or dyslipidaemia (an abnormal amount of lipids in the blood).Trial has following trial periods: A 12-week run-in period (from week -12 to week 0) followed by a 56-week main trial period (weeks 0-56) and a 12-week follow-up period (weeks 56-68).