ASAI Ryohei

School of Medicine Department of MedicineAssistant Professor

Researcher Information

Field Of Study

  • Life sciences, Otorhinolaryngology

Career

  • Nihon University School of Medicine, Department of Medicine
Research activity information

Paper

  • ★Functional recurrent laryngeal nerve regeneration using a silicon tube containing a collagen gel in a rat model
    Ryohei Asai; Sohei Ishii; Ikuo Mikoshiba; Tomohiko Kazama; Hiroumi Matsuzaki; Takeshi Oshima; Taro Matsumoto
    PLOS ONE, Aug. 2020, Refereed, Not invited
    Lead
  • Clinical Features and Recurrence Risk of Human Papillomavirus–Related Pharyngeal Papilloma: A Retrospective Study
    Ryohei Asai; Hiroumi Matsuzaki; Kiyoshi Makiyama; Takeshi Oshima
    OTO Open, Apr. 2026
  • Efficacy of vocal fold injection of dedifferentiated fat cells in treating glottis closure insufficiency: Insights from a rat model of recurrent laryngeal nerve resection.
    Ikuo Mikoshiba; Kazuhiro Hagikura; Taro Matsumoto; Tomohiko Kazama; Ryohei Asai; Hiroyuki Hao; Takeshi Oshima
    PloS one, 2025
  • The predominant site of pharyngeal lesions in patients with recurrent respiratory papillomatosis
    Hiroumi Matsuzaki; Ryohei Asai; Kiyoshi Makiyama
    European Archives of Oto-Rhino-Laryngology, May 2022
  • Human Papillomavirus Vaccination as an Adjuvant Therapy for Recurrent Respiratory Papillomatosis: Additional Case Series
    Hiroumi Matsuzaki; Kiyoshi Makiyama; Hisashi Hasegawa; Ryohei Asai; Masato Morita; Takeshi Oshima
    Journal of Voice, Sep. 2021
  • Multi-Year Effect of Human Papillomavirus Vaccination on Recurrent Respiratory Papillomatosis.
    Apr. 2019, Refereed, Not invited

Lectures, oral presentations, etc.

  • 咽頭乳頭腫におけるHPV陽性例、陰性例の比較
    Jan. 2020, Not invited
  • 咽頭乳頭腫-癌化例の検討-
    Nov. 2018, Not invited
  • 咽頭・喉頭乳頭腫―2017年手術例の検討―
    Jun. 2018, Not invited
  • コラーゲンゲル充填シリコンチューブ架橋によるラット反回神経再生モデルの確立
    Mar. 2018, Not invited
  • 反回神経切除ラットにおける再生可能な神経欠損距離の検討
    Mar. 2018, Not invited
  • 咽頭乳頭腫とHPV感染について
    Nov. 2017, Not invited
  • 咽頭乳頭腫の検討
    Sep. 2016, Not invited
  • 診断及び治療に難渋している声門上狭窄の一例
    Apr. 2016, Not invited

Research Themes

  • 気道乳頭腫の再発性とHPV抗体の関連に関する研究:予後予測因子の探索
    日本学術振興会, 科学研究費助成事業, 01 Apr. 2024 - 31 Mar. 2027
    松崎 洋海; 浅居 僚平
  • 気道乳頭腫における予後予測因子の探索:診療の効率化を目指して
    日本学術振興会, 科学研究費助成事業, Apr. 2020 - Mar. 2024
    松崎 洋海; 浅居 僚平
  • 脱分化脂肪細胞をもちいた反回神経の再生治療の開発