A Study to Learn How Different Amounts and Forms of the Study Medicine Called PF-06414300 Act in Healthy Adults

The purpose of this study is to learn about how different amounts of study medicine called PF-06414300 acts and is changed and eliminated from the body of healthy adult participants. The amount of PF-06414300 in blood after the medicine is taken by mouth will also be measured. The study is seeking for participants who: * Are male or female of 18 to 65 years of age. * Are in good health condition. * Have body mass index of 16 to 32 kilograms per squared meters; and a total body weight of more than 50 kilograms (110 pounds). All participants in this study will receive either PF-06414300 or placebo (dummy pill) by chance. The study will have 2 parts; in the first part of the study (Part A), each participant will receive a total of 4 doses of PF-06414300 or placebo with at least 10 to 14 days between each dose. After each dose, participants will stay in study clinic for 4 to 5 days. In the second part of the study (Part B), each participant will receive a total of 10 doses of PF-06414300 or placebo and participants will stay in study clinic for 14 days. An optional Japanese cohort may be done later. The planned duration of participation from screening to follow up in Part A and B of this study is up to 12 to 14 weeks and 10 to 12 weeks, respectively. Participants will also have their blood collected by the study doctors several times.