A Study to Learn How Different Amounts of the Study Medicine Called PF-07985631 Are Tolerated and Act in the Body in Healthy Adults

연구 개요

The purpose of this study is to learn about the safety and effects of the study medicine (called PF-07985631) for the possible treatment of a kidney disease called IgA nephropathy. This study is seeking participants who * are male or female between 18 and 45 years of age (55 for Japanese/Chinese/multiple dose participants) * are deemed to be healthy Participants in this study will receive PF-07985631 or placebo. A placebo does not have any medicine in it but looks just like the medicine being studied. PF-07985631 or placebo will be given as a small needle injection (in the abdomen, thigh or back of the arm) at the study clinic. Most participants will receive PF-07985631 or placebo one time. Some participants may receive PF-07985631 or placebo twice. The study will compare the experiences of people receiving PF-07985631 to those of the people who do not. This will help decide if PF-07985631 is safe and effective. Participants who take PF-07985631 or placebo will take part in this study for about four- four and a half months. During this time, they will stay at the study clinic for 12 to 19 days and will have 7 more study visits at the study clinic. During study clinic stays and study visits, blood samples will be done and safety reviews completed.