Safety and Tolerability of Liraglutide in Healthy Male Volunteers

Inclusion Criteria: * Male subjects of any ethnic origin * Written informed consent obtained. (The subject must give signed informed consent before any trial-related activities. Trial-related activities are any procedures that would not have been performed during the normal management of the subject) * Good general health based on medical history, physical and laboratory examinations, incl. ECG (electrocardiogram) * Body mass index within the range 20-27 kg/m\^2, inclusive Exclusion Criteria: * Any clinically significant abnormal laboratory test results or clinically significant abnormal ECG * History of alcoholism or drug addiction; positive results in the plasma urine screens for illicit drug * Alcohol intake within 48 hours of visit * Hepatitis B surface antigen (HBsAg), Hepatitis C antibodies or HIV (human immunodeficiency virus) antibodies * History of significant drug allergy or drug hypersensitivity * Smoke 5 cigarettes or more, or the equivalent per day and is unable to refrain from smoking during the 3 days prior to the dosing day and during the confinement period * Subjects who drink more than 8 cups of tea/coffee per day