RecruitingPhase 2Drug trialA Research Study on How Well Different Doses of the Medicine UBT251 Help People Living With Overweight or ObesityThe purpose of this clinical study is to find out if UBT251 is safe and effective for treating people who are living with overweight or obesity. Participants will get either UBT251 (the treatment being tested) or Placebo (a treatment that has no active medicine in it), which treatment participants get is decided by chance.