IL-4 and Insulin Resistance for Treatment of Patients With Atopic Dermatitis

Inclusion Criteria: * Ability to sign informed consent form. * Body mass index (BMI), 22-29 kg/m\^2. * Diagnosis of Atopic Dermatitis treated with dupilumab for longer than 6 months. * Diagnosis of Atopic Dermatitis treated with topical steroids or phototherapy. Exclusion Criteria: * Any prescription for systemic glucocorticoid, immunosuppressant, antidiabetic medications in the past 6 months. * Evidence of diabetes mellitus. * Morning Cortisol \< 5 mg/dl (collected before 10.30 am). * Presence of acute illness. * Low hemoglobin or hematocrit. * Current participation in a weight-loss regimen, with a weight loss \> 10% total body weight in the last 6 months). * Smoking history in the last 6 months (tobacco, nicotine-containing products including e-cigarettes). * Pregnant or breastfeeding. * Personal history of gastric bypass surgery. * Previous participation in a clinical trial with an investigational product in the past 30 days, or 5 half-lives, or twice the duration of the biological effect of the investigational drug (whichever is longest). * Exposed to more than 4 new chemical entities within 12 months before study enrollment. * Any other condition or event considered exclusionary by the PI and the study physician.