A First-in-human Research Study on How NNC0662-0419 Works in People Living With Overweight or Obesity

This study is testing a new study medicine which may be used to treat people living with overweight or obesity. The purpose of the study is to see if the new study medicine is safe, how it works in human body and what human body does to the study medicine. Participants will either get the study medicine NNC0662-0419 or placebo (a "dummy" medicine without any active ingredients) given by study staff as an injection under participants skin. Which treatment participants will get is decided by chance. NNC0662-0419 is a new medicine, which cannot be prescribed by doctors. This is the first time the medicine is being given to humans. The study will last for about 9 months.