Kohei Okawa, Toshihiro Shirai, Taisuke Akamatsu, Keita Hirai. Comparison of 2005 and 2021 American Thoracic Society/ European Respiratory Society Criteria for Bronchodilator Response. Thoracic research and practice. 2024. 25. 4. 168-170
Sekiko Uehara, Keita Hirai, Toshihiro Shirai, Kunihiko Itoh. Association of a CYP3A5 gene polymorphism with exacerbation in adult patients with asthma. The Journal of Allergy and Clinical Immunology: In Practice. 2024
Keita Hirai, Tomoki Kimura, Yuya Suzuki, Takayuki Shimoshikiryo, Toshihiro Shirai, Kunihiko Itoh. Gene Polymorphisms of NLRP3 Associated With Plasma Levels of 4β-Hydroxycholesterol, an Endogenous Marker of CYP3A Activity, in Patients With Asthma. Clinical Pharmacology & Therapeutics. 2024
Taisuke Akamatsu, Toshihiro Shirai, Kohei Okawa, Keita Hirai. Improved small airway dysfunction in severe asthma with clinical remission by anti-IL-5/IL-5 receptor α. Annals of Allergy, Asthma & Immunology. 2024
Hiromasa Nakayasu, Toshihiro Shirai, Keita Hirai, Taisuke Akamatsu, Yoshihiro Kitahara. Bronchodilator response using oscillometry to detect uncontrolled asthma. Allergology international : official journal of the Japanese Society of Allergology. 2023