 - Has changed the dose and dosing regimen within 4 weeks prior to randomization of any of the following drugs: topical corticosteroid excluding the strongest potency for atopic dermatitis; topical calcineurin inhibitor; emollients; anti-leukotriene therapies including therapies for other allergic indications; systemic histamine H1 blocker including sleep medications with antihistamine properties; sodium cromoglicate; suplatast tosilate; tranilast; thromboxane A2 inhibitors; and topical or oral herbal preparations for the treatment of atopic dermatitis 