Epidemiological survey of patients with psoriasis in Matsumoto city, Nagano Prefecture, Japan

• Published in: Journal of dermatology Vol. 45; no. 3; pp. 314 - 317
• Main Authors: Ogawa, Eisaku, Okuyama, Ryuhei, Seki, Tomoko, Kobayashi, Aya, Oiso, Naoki, Muto, Masahiko, Nakagawa, Hidemi, Kawada, Akira
• Format: Journal Article
• Language: English
• Published: England Wiley Subscription Services, Inc 01.03.2018
• Subjects: Adolescent; Adult; Aged; Aged, 80 and over; Arthritis; Biological Products - therapeutic use; Child; Child, Preschool; Corticosteroids; Epidemiology; examination; Female; Health Surveys - statistics & numerical data; Humans; Infliximab; Japan; Male; Methotrexate; Middle Aged; Monoclonal antibodies; Phototherapy; Prevalence; Psoralen; Psoriasis; Psoriasis - epidemiology; Psoriasis - therapy; Psoriasis vulgaris; Psoriatic arthritis; therapeutics; Tumor necrosis factor-α; Ultraviolet radiation; Ultraviolet Therapy - methods; Ultraviolet Therapy - statistics & numerical data; Vitamin D3; Young Adult; Japan; epidemiology; therapeutics; Japan; psoriasis; examination
• DOI: 10.1111/1346-8138.14101
• ISSN: 0385-2407

A local epidemiological survey of psoriasis was conducted from 19 February to 30 June 2016 in Matsumoto city, Nagano Prefecture, Japan. Patients were predominantly male (268 cases, 71.5% males vs 107 cases, 28.5% females). We estimated that the prevalence of psoriasis was 0.097% in the Matsumoto area. The clinical types of psoriasis identified were psoriasis vulgaris (90.7%), psoriatic arthritis (5.9%), pustular psoriasis (2.1%), guttate psoriasis (1.0%) and psoriatic erythroderma (0.3%). The topical therapeutic agents included corticosteroids (84.0%), vitamin D3 analogs (61.5%), and a combination of calcipotriol and betamethasone dipropionate (31.0%). Current systemic treatments included cyclosporin (9.0%), etretinate (7.4%) and methotrexate (1.3%). Biologic treatments included adalimumab (4.0%), ustekinumab (2.7%), infliximab (1.3%) and secukinumab (0.8%). Ultraviolet B therapy (11.3%) was the predominant phototherapy in which narrow band ultraviolet B therapy accounted for the majority, followed by psoralen and ultraviolet A therapy (1.0%). According to the recent evolution of psoriasis treatment, the use of biologics has been increasing. This study demonstrates the changes of treatment trends of psoriasis in a non‐metropolitan regional area.