This trial is conducted in Europe. The aim of this clinical trial is to investigate the safety, tolerability, level of drug exposure and effect of NN9068.

The trial participants will be randomised to 4 different treatments in trial, receiving trial products in a pre-defined order.

Inclusion Criteria:

• Male subjects, who are considered to be generally healthy, based on an assessment of medical history, physical examination, and clinical laboratory data, as judged by the Investigator.
• Body mass index (BMI) between 18.0 and 27.0 kg/m2 (both inclusive)
• Body weight between 60 kg and 90 kg (both inclusive)

Exclusion Criteria:

• Subjects with a history of or presence of cancer, diabetes, or any clinically significant cardiovascular, respiratory, metabolic, renal, hepatic, gastrointestinal, endocrinological, haematological, dermatological, venereal, neurological, psychiatric diseases or other major disorders that might have impact on the current trial, as judged by the Investigator