The present invention provides a pharmaceutical composition comprising an antibody for antibody fragment specific for IL-17C, in particular MOR106 for use in the treatment of atopic dermatitis and related conditions wherein the antibody is administered to patients at dosages that are beneficial in a clinical setting.本發明提供一種醫藥組合物,其包含對IL-17C具有特異性之抗體或抗體片段,特定言之MOR106,該醫藥組合物用於治療異位性皮炎及相關病狀,其中該抗體以在臨床環境中有益的劑量向患者投與。