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2022 Fiscal Year Final Research Report

Botulinum neurotoxin type B therapy for intractable orofacial pain

Research Project

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Project/Area Number 19K10237
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 57050:Prosthodontics-related
Research InstitutionDepartment of Clinical Research, National Hospital Organization Kyoto Medical Center

Principal Investigator

Yoshida Kazuya  独立行政法人国立病院機構(京都医療センター臨床研究センター), 臨床研究企画運営部, 研究員 (90263087)

Project Period (FY) 2019-04-01 – 2023-03-31
Keywords顎顔面痛 / 顎関節症 / 口腔顔面痛 / 慢性疼痛 / ボツリヌス毒素 / ボツリヌス治療 / 不随意運動 / 顎口腔ジストニア
Outline of Final Research Achievements

I was able to prove that botulinum toxin therapy is effective for various oral diseases (orofacial pain, oromandibular dystonia, trigeminal neuralgia, functional involuntary movements, temporomandibular joint disorder, habitual temporomandibular joint dislocation, and palatal tremor). Although it was impossible to objectively evaluate the effects of botulinum treatment in the oral region, in 2020, I developed and announced a scale (Oromandibular Dystonia Rating Scale) that can evaluate the effects of botulinum treatment, including QOL. This rating scale has made it possible to more accurately understand the effects of treatment and to conduct research with high evidence.

Free Research Field

口腔外科

Academic Significance and Societal Importance of the Research Achievements

口腔領域の様々な疾患に対してボツリヌス治療が有効であることを証明できた。2020年にボツリヌス治療の効果をQOLも含めて評価できるスケール(Oromandibular Dystonia Rating Scale)を開発し、発表した。この評価表によってより正確に治療効果を把握できるようになり、エビデンスの高い研究が可能となった。今後、厚生労働省、製薬会社、患者の会とも連携して、わが国でのボツリヌス毒素製剤の適応拡大に向けて、治験を検討している。適応拡大ができれば、現在治療が困難な上記疾患の多くの患者にとって大きな福音となると考える。

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Published: 2024-01-30  

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