A Study of LY3202626 in Healthy Participants and Participants With Alzheimer's Disease

This study involves single and multiple doses of LY3202626 and will evaluate the effects of LY3202626 on the body. There will be 4 parts to this study. In Parts A and B, single increasing doses of LY3202626 will be given in capsule form. Part A will also include itraconazole given orally as a solution. Part A will last approximately 8-12 weeks. Part B will last approximately 5-6 weeks. In Parts C and D, participants will be dosed multiple days with the study drug. Part C will last approximately 11-14 weeks. Part D will last approximately 11-14 weeks and participants must have Alzheimer's Disease. Participants may only enroll in one part.