RecruitingPhase 1Drug trialA Study to Learn About the Effect of Study Medicine Called PF-08653944 on How Quickly the Stomach Empties Its Content in Healthy Adults With Overweight or ObesityThis study looks at how a study medicine called PF-08653944 affects how quickly the stomach empties food after eating. It is being done in adults who are overweight or have obesity. Participants will receive the study medicine for a short period, and doctors will measure how the medicine moves through the stomach and monitor safety. The goal is to better understand how this medicine works in the body and to check for any side effects. The information from this study may help researchers plan future studies of this medicine.