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*Fragrance allergy and skin tolerability to essential oils*

Primary Objective: What is the frequency of positive patch test reactions to the 26 declarable fragrance allergens in fragrance mix I and/or II positive participants?Secondary Objectives: Do Weleda cosmetic products containing essential oils,…

Clinical Evaluation of Metal Panel Allergens: Aluminum, Copper, Manganese, Molybdenum, Tin, Titanium, Vanadium and Zinc Metal Dose Response Study

To evaluate the diagnostic performance and safety of metal allergens proposed for inclusion in Metal Panel T.R.U.E. Test. The study will compare the diagnostic performance (primary) and safety (secondary) of ascending patch test doses of aluminum,…

Randomized, double blind, multicenter extension to CZPL389A2203 dose-ranging study to assess the shortterm and long-term safety and efficacy of oral ZPL389 with concomitant or intermittent use of TCS and/or TCI in adult patients with atopic dermatitis (ZEST Extension)

The purpose of this study is to assess short-term and the long-term safety and efficacy of oral ZPL389 (30 mg once daily (o.d.) and 50 mg o.d.) when used concomitantly or intermittently with topical corticosteroid (TCS) and/or topical calcineurin…