Journal of Allergy and Clinical Immunology: Global (Nov 2024)

Biomarkers and patient-related factors associated with clinical outcomes in dupilumab-treated atopic dermatitis

  • Makiko Kido-Nakahara, MD,
  • Daisuke Onozuka, PhD,
  • Kenji Izuhara, PhD,
  • Hidehisa Saeki, MD,
  • Satoshi Nunomura, PhD,
  • Motoi Takenaka, MD,
  • Mai Matsumoto, MD,
  • Yoko Kataoka, MD,
  • Rai Fujimoto, MD,
  • Sakae Kaneko, MD,
  • Eishin Morita, MD,
  • Akio Tanaka, MD,
  • Michihiro Hide, MD,
  • Tatsuro Okano, MD,
  • Tomomitsu Miyagaki, MD,
  • Natsuko Aoki, MD,
  • Kimiko Nakajima, MD,
  • Susumu Ichiyama, MD,
  • Kyoko Tonomura, MD,
  • Yukinobu Nakagawa, MD,
  • Risa Tamagawa-Mineoka, MD,
  • Koji Masuda, MD,
  • Takuya Takeichi, MD,
  • Masashi Akiyama, MD,
  • Yozo Ishiuji, MD,
  • Michie Katsuta, MD,
  • Yuki Kinoshita, MD,
  • Chiharu Tateishi, MD,
  • Aya Yamamoto, MD,
  • Akimichi Morita, MD,
  • Haruna Matsuda-Hirose, MD,
  • Yutaka Hatano, MD,
  • Hiroshi Kawasaki, MD,
  • Keiji Tanese, MD,
  • Mamitaro Ohtsuki, MD,
  • Koji Kamiya, MD,
  • Yudai Kabata, MD,
  • Riichiro Abe, MD,
  • Hiroshi Mitsui, MD,
  • Tatsuyoshi Kawamura, MD,
  • Gaku Tsuji, MD,
  • Masutaka Furue, MD,
  • Norito Katoh, MD,
  • Takeshi Nakahara, MD

Journal volume & issue
Vol. 3, no. 4
p. 100317

Abstract

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Background: Atopic dermatitis (AD) is a common chronic eczematous skin disease with severe pruritus. Several new therapeutic agents for AD such as dupilumab, an anti–IL-4Rα antibody, have been developed in recent years. We need to predict which agent is the best choice for each patient, but this remains difficult. Objective: Our aim was to examine clinical background factors and baseline biomarkers that could predict the achievement of improved clinical outcomes in patients with AD treated with dupilumab. Methods: A multicenter, prospective observational study was conducted on 110 patients with AD. The Eczema Area and Severity Index was used as an objective assessment, and the Patient-Oriented Eczema Measure and Numerical Rating Scale for Pruritus were used as patient-reported outcomes. In addition, some clinical background factors were evaluated. Results: The achievement of an absolute Eczema Area and Severity Index of 7 or less was negatively associated with current comorbidity of food allergy and baseline serum lactate dehydrogenase (LDH) levels. There were negative associations between achievement of a Patient-Oriented Eczema Measure score of 7 or less and duration of severe AD and between achievement of an itching Numerical Rating Scale for Pruritus score of 1 or less and current comorbidity of allergic conjunctivitis or baseline serum periostin level. Furthermore, signal detection analysis showed that a baseline serum LDH level less than 328 U/L could potentially be used as a cutoff value for predicting the efficacy of dupilumab. Conclusion: Baseline biomarkers such as LDH and periostin and clinical background factors such as current comorbidity of food allergy and a long period of severe disease may be useful indicators when choosing dupilumab for systemic treatment for AD, as they can predict the efficacy of dupilumab.

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