This is randomized, double-blind, placebo-controlled study to test whether VLY-686 can reduce chronic pruritus in subjects with treatment-resistant pruritus associated with atopic dermatitis in comparison with placebo.

Inclusion Criteria:

• Men and women ages 18 - 65 years, inclusive; suffering from atopic dermatitis with a SCORAD index at inclusion ≤80; with atopic lesions on arms, legs, trunk and neck;
• Chronic pruritus with pruritus being actively present for at least 6 weeks prior to screening;
• Males, non-fecund females, or females of child-bearing potential using 2 independent highly effective barrier methods of birth control when used correctly for a period of 35 days before the first dosing, during the study and for one month after the last dose and must have a negative pregnancy test at the screening and baseline visits.

Exclusion Criteria:

• Chronic pruritus due to conditions other than atopic dermatitis (AD) including the following conditions: Prurigo nodularis, Lichen simplex chronicus, Bullous pemphigoid;
• Acute superinfection of AD.

All Adverse Events (AEs) were collected from signature of the informed consent through study completion (approximately 63 days) regardless of seriousness or relationship to investigational product.