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Brain protective effect of edaravone-azithromycin combination therapy

Research Project

Project/Area Number 18K16435
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 55050:Anesthesiology-related
Research InstitutionAkita University

Principal Investigator

Mizuno Kana  秋田大学, 医学部附属病院, 医員 (10815898)

Project Period (FY) 2018-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2019: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2018: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywordsフリーラジカルスカベンジャー / マクロライド / エダラボン / アジスロマイシン / 脳虚血 / 脳保護 / 虚血再灌流障害 / 脳梗塞
Outline of Final Research Achievements

We examined whether a edaravone-azithromycin combination therapy reduce brain injury greater than single drug treatment in rats with cerebral ischemia and reperfusion.
There was no significant difference between each groups in neurological scores.Percentages of intact neurons in hippocampal CA1 were greater in each drug therapy groups (edarabvone, azithromycin, and combination therapy group) than control group, but there was no significant differences between edaravone-azithromycin combination therapy and single dug groups. Similary, cerebral infraction area was significantly smaller in drug therapy groups, but combination therapy was not superior than single drug therapy.
Azithromycin is thought to affect later than edaravone in ischemia-reperfusion process, that might have made difficult to detect additive effect of azithromycin.

Academic Significance and Societal Importance of the Research Achievements

麻酔科領域において脳保護が必要となる場面は、心大血管・脳血管手術など一過性広範囲脳虚血である事が多く、高齢患者や併存疾患を持つ患者が増えてくる中、これまでの脳保護だけでは不十分となることもあり、早期に実施可能な新しい脳保護治療が求められている。エダラボン、アジスロマイシンはいずれも脳保護作用が研究で示されており、すでに臨床使用もされているため、その併用で安全かつさらに優れた脳保護効果が得られる事を期待していた。今回評価した短期的な運動機能の予後や死亡細胞数は単剤使用に比べて優れてはいなかったが、さらに詳細な神経機能学的検査や長期予後の評価で優位性を発揮する可能性があると考えている。

Report

(3 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • Research Products

    (1 results)

All 2020

All Presentation (1 results)

  • [Presentation] フリーラジカルスカベンジャーとアジスロマイシン 併用療法による脳保護効果について2020

    • Author(s)
      水野香菜
    • Organizer
      日本麻酔科学会第67回学術集会
    • Related Report
      2019 Annual Research Report

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Published: 2018-04-23   Modified: 2021-02-19  

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