Patch testing with the Japanese baseline series 2015: A 4-year experience

Akiko Ito, Kayoko Suzuki, Kayoko Matsunaga, Akiko Yagami, Takashi Ito, Risa Tamagawa-Mineoka, Atsuko Adachi, Mariko Sugiura, Hitoshi Miyazawa, Atsuko Kato, Tokio Nakada, Kazue Nishioka, Yumiko Kubota, Setsuko Matsukura, Yuko Watanabe, Hideo Asada, Hiromi Kanto

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Background: The Japanese baseline series (JBS), established in 1994, was updated in 2008 and 2015. The JBS 2015 is a modification of the thin-layer rapid-use epicutaneous (TRUE) test (SmartPractice Denmark, Hillerød, Denmark). No nationwide studies concerning the TRUE test have previously been reported. Objectives: To determine the prevalence of sensitizations to JBS 2015 allergens from 2015 to 2018. Methods: We investigated JBS 2015 patch test results using the web-registered Skin Safety Care Information Network (SSCI-Net) from April 2015 to March 2019. Results: Patch test results of 5865 patients were registered from 63 facilities. The five allergens with the highest positivity rates were gold sodium thiosulfate (GST; 25.7%), nickel sulfate (24.5%), urushiol (9.1%), p-phenylenediamine (PPD; 8.9%), and cobalt chloride (8.4%). The five allergens with the lowest positivity rates were mercaptobenzothiazole (0.8%), formaldehyde (0.9%), paraben mix (1.1%), mercapto mix (1.1%), and PPD black rubber mix (1.4%). Conclusions: Nickel sulfate and GST had the highest positivity rates. The JBS 2015, including a modified TRUE test, is suitable for baseline series patch testing.

Original languageEnglish
Pages (from-to)189-195
Number of pages7
JournalContact Dermatitis
Volume86
Issue number3
DOIs
Publication statusPublished - 03-2022

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Dermatology

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