2. Have clinical diagnosis of AD for at least 6 months prior to Day 1 and have diagnosis of AD confirmed by photographs
3. Have moderate to severe AD as defined by the following at screening and baseline visits:
* Affected body surface area (BSA) greater than or equal to 10% and up to 60%;
* Validated Investigator's Global Assessment (vIGA) greater than or equal to 3;
* Eczema Area and Severity Index (EASI) greater than or equal to 16;
AND
-Peak Pruritis Numeric Rating Scale (PP-NRS) greater than or equal to 4 at screening and a weekly average of greater than or equal to 4 at baseline visit
4. Do not have a suitable prescribed medicine for AD.
5. Body Mass Index (BMI) of 18 to 38 kg/m2 and a total body weight greater than 48 kg (106 lbs)
You may not be if
Participants must not meet the following criteria:
1. Have an infection that requires treatment
2. Have other skin conditions other than AD
3. Have severe uncontrolled asthma
4. Regular use (more than 2 visits per week) of a tanning booth or phototherapy for AD within 4 weeks of the screening visit
Clareo Health | A Study to Learn About Study Medicine Called PF-08049820 in People With Eczema