A Research Study Looking at How the Medicine NNC0194-0499 Behaves in Japanese and Non-Asian Men

This study looks at how a new medicine called NNC0194-0499 works in the body of Japanese men and non-Asian men. Japanese participants will either get NNC0194-0499 or placebo - which treatment participants get is decided by chance. Non-Asian participants will get NNC0194-0499. Participants will get 1 or 2 injections of the study medicine. It will be injected with a needle into a skin fold on the stomach. The study will last for a maximum of 66 days. Participants will have 8 scheduled visits with the study doctor. For 1 of the visits participants will stay at the clinic for 6 days (5 nights). The study includes blood sampling. Participants will not be able to take part in the study if the study doctor thinks there is a risk for participants health.