Ichihara Naoaki 一原直昭

… Alternative Names

Ichihara Nao 一原直昭

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Researcher Number	80780535
Other IDs
Affiliation (Current)	2025: 神奈川県立保健福祉大学, ヘルスイノベーション研究科, 准教授 2025: 東京慈恵会医科大学, 医学部, 講師 2025: 大阪大学, 医学部附属病院, 特任准教授(常勤) 2025: 東京大学, 医学部附属病院, 届出研究員
Affiliation (based on the past Project Information) *help	2025: 東京慈恵会医科大学, 医学部, 講師 2024: 大阪大学, 医学部附属病院, 特任講師 2023 – 2024: 東京大学, 医学部附属病院, 届出研究員 2022: 東京大学, 医学部附属病院, 特任助教
Review Section/Research Field	Principal Investigator Basic Section 58010:Medical management and medical sociology-related Except Principal Investigator Basic Section 55060:Emergency medicine-related / Basic Section 58010:Medical management and medical sociology-related / Basic Section 56010:Neurosurgery-related
Keywords	Principal Investigator 電子的説明・同意取得 / 臨床試験参加者の経験 / 経験 / 同意 / 臨床研究 / 新型コロナウイルス / COVID-19 / 研究参加者の経験 / 分散型臨床試験 / 臨床試験 … More / 急性期 / パンデミック / 患者経験 / 遠隔代諾 / eコンセント / 文献調査 / 質的研究 / インフォームド・コンセント / 急性期臨床試験 … More Except Principal Investigator Precision medicine / Adaptive platform trial / 人工呼吸器 / ARDS / 集中治療 / プラットフォーム試験 / 敗血症 / randomized study / cohort study / outcome improvement / prevention / subarachnoid hemorrhage / ベイズ流プラットフォーム / Adaptive RCT / プラットフォーム研究 / 神経集中治療 / 心停止蘇生後 Less

A New Clinical Trial Framework for Sepsis: Establishing an Adaptive Platform Design
- Principal Investigator
  
  久志本成樹
- Project Period (FY)
  2025 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 58010:Medical management and medical sociology-related
- Research Institution
  Tohoku University
Adaptive platform trialを用いた臨床研究基盤構築によるARDSの人工呼吸戦略の検討
- Principal Investigator
  
  片岡惇
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 55060:Emergency medicine-related
- Research Institution
  Japan Association for Development of Community Medicine
ベイズ流プラットフォームを用いた心停止症候群に対する臨床研究体制の基盤構築
- Principal Investigator
  
  黒田泰弘
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 55060:Emergency medicine-related
- Research Institution
  Kagawa University
A registry cohort study for prevention of subarachnoid hemorrhage and randomized controlled trial study of outcome improvement
- Principal Investigator
  
  井川房夫
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 56010:Neurosurgery-related
- Research Institution
  Shimane University
Informed consent in clinical trials with severe state COVID-19 patients: current practice and feasibility of electronic methodsPrincipal Investigator
- Principal Investigator
  
  Ichihara Nao
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 58010:Medical management and medical sociology-related
- Research Institution
  Osaka University
  The University of Tokyo

All 2025 2024 2023

All Journal Article Presentation

[Journal Article] 新型コロナウイルス感染症流行下で医師主導治験に初めて参加した医療機関と治験運営事務局における課題抽出からの考察2025
- Author(s)
  中薗健一, 齋藤浩輝, 一原直昭, 大山裕美子, 日下部啓子, 下平奈保
- Journal Title
  
  日本臨床試験学会雑誌
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K10382
[Journal Article] Machine learning validation of a simple prediction model for the correlation between advanced age and clinical outcomes in patients with aneurysmal subarachnoid hemorrhage2025
- Author(s)
  Ikawa F, Ichihara N, Horie N, Shiokawa Y, Nakatomi H, Ohkuma H, Shimamura N, Ueba T, Fukuda H, Murayama Y, Sorimachi T, Kurita H, Suzuki K, Nakahara I, Kawamata T, Ishikawa T, Chin M, Ogasawara K, Yamaguchi S, Toyoda K, Kobayashi S; Japan Stroke Data Bank Investigators.
- Journal Title
  
  Neurosurg Rev
  
  Volume: 48 Issue: 1 Pages: 44-44
- DOI
  10.1007/s10143-025-03193-x
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K08521, KAKENHI-PROJECT-23K11372
[Journal Article] Risk factors of short-term poor functional outcomes and long-term durability of ruptured large or giant intracranial aneurysms2025
- Author(s)
  Fukuda H, Hyohdoh Y, Kawada K, Sorimachi T, Suzuki K, Kurita H, Uezato M, Chin M, Okada K, Nakatomi H, Shiokawa Y, Ishikawa T, Kawamata T, Morioka J, Nakahara I, Shimamura N, Ohkuma H, Ichihara N, Ueba T, Ikawa F.
- Journal Title
  
  J Neurosurg
  
  Volume: 10 Pages: 1-10
- DOI
  10.3171/2024.8.jns24894
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K08521
[Journal Article] The protocol and current situation of antibiotic and macrolide domains of an international adaptive platform trial “REMAP-CAP”2024
- Author(s)
  木庭茂、中薗健一、斎藤浩輝、一原直昭、國島広之、藤谷茂樹
- Journal Title
  
  The Japanese Journal of Antibiotics
  
  Volume: 77 Issue: 1 Pages: 100-106
- DOI
  10.11553/antibiotics.77.1_100
- ISSN
  0368-2781, 2186-5477
- Year and Date
  2024-03-25
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K10382
[Journal Article] Superiority of Endovascular Coiling Over Surgical Clipping for Clinical Outcomes at Discharge in Patients With Poor-Grade Subarachnoid Hemorrhage: A Registry Study in Japan2023
- Author(s)
  Ishikawa Tatsuya、Ikawa Fusao、Ichihara Nao、Yamaguchi Koji、et al.
- Journal Title
  
  Neurosurgery
  
  Volume: 94 Issue: 5 Pages: 1051-1060
- DOI
  10.1227/neu.0000000000002782
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K08521, KAKENHI-PROJECT-23K11372
[Presentation] 国際臨床研究をどう位置づけ、どう付き合うか ―日本におけるREMAP-CAPの実施―2024
- Author(s)
  一原直昭
- Organizer
  大阪大学未来医療開発部 2023年度第5回アカデミア臨床開発セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-22K10382
[Presentation] International Collaborative Clinical Research. International Platform Trial. As Diseases Cross Borders, So Should Trials2023
- Author(s)
  一原直昭, 本田仁, 齋藤浩輝, 神代和明
- Organizer
  Ｇ７長崎保健大臣会合付設展示会
- Data Source
  KAKENHI-PROJECT-22K10382
[Presentation] 国際臨床研究をどう位置づけ、どう付き合うか ―日本におけるREMAP-CAPの実施―2023
- Author(s)
  一原直昭
- Organizer
  大阪大学未来医療開発部 2023年度第5回アカデミア臨床開発セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-22K10382
[Presentation] 国際アダプティブ・プラットフォーム試験REMAP-CAPのプロトコルおよび参加の実際：市中肺炎における抗菌薬およびマクロライド系薬投与期間ドメイン2023
- Author(s)
  木庭茂, 中薗健一, 斎藤浩輝, 一原直昭, 國島広之, 藤谷茂樹
- Organizer
  第97回日本感染症学会学術講演会
- Data Source
  KAKENHI-PROJECT-22K10382

1. 藤谷茂樹 (50465457)

# of Collaborated Projects: 3 results

# of Collaborated Products: 1 results
2. 齋藤浩輝 (80833011)

# of Collaborated Projects: 3 results

# of Collaborated Products: 2 results
3. 河野敬 (00932328)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 保科ゆい子 (20875885)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 加藤英明 (40595378)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 堤健 (70867845)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 神代和明 (80884048)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
8. 大山裕美子 (90736349)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
9. 津田泰伸 (40521430)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 黒田泰弘 (80234615)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 河北賢哉 (10505803)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 井上明彦 (60835247)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 一二三亨 (30383756)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 坂本哲也 (40365979)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 横堀将司 (70449271)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 横井英人 (50403788)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 井川房夫 (40294574)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
18. 冨本秀和 (80324648)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 堀江信貴 (70380912)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
20. 久志本成樹 (50195434)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 山元良 (90528853)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. 山川一馬 (50597507)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. 藤井智子 (60621381)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. 和田剛志 (30455646)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. 梅村穣 (20743561)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. 松田航 (40844147)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. 遠藤彰 (00648074)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. 松岡義 (70649938)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. 片岡惇 (50870408)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. 竹内宗之 (00774647)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
31. 讃井將満 (30424039)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
32. 大下慎一郎 (50508132)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
33. 吉田健史 (50725520)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
34. 方山真朱 (70645704)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
35. 則末泰博 (90870428)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Ichihara Naoaki 一原 直昭

Ichihara Nao 一原 直昭

Research Projects

Research Products

Co-Researchers

A New Clinical Trial Framework for Sepsis: Establishing an Adaptive Platform Design

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Adaptive platform trialを用いた臨床研究基盤構築によるARDSの人工呼吸戦略の検討

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

ベイズ流プラットフォームを用いた心停止症候群に対する臨床研究体制の基盤構築

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

A registry cohort study for prevention of subarachnoid hemorrhage and randomized controlled trial study of outcome improvement

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Informed consent in clinical trials with severe state COVID-19 patients: current practice and feasibility of electronic methodsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] 新型コロナウイルス感染症流行下で医師主導治験に初めて参加した医療機関と治験運営事務局における課題抽出からの考察2025

Author(s)

Journal Title

Data Source

[Journal Article] Machine learning validation of a simple prediction model for the correlation between advanced age and clinical outcomes in patients with aneurysmal subarachnoid hemorrhage2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Risk factors of short-term poor functional outcomes and long-term durability of ruptured large or giant intracranial aneurysms2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] The protocol and current situation of antibiotic and macrolide domains of an international adaptive platform trial “REMAP-CAP”2024

Author(s)

Journal Title

DOI

ISSN

Year and Date

Language

Data Source

[Journal Article] Superiority of Endovascular Coiling Over Surgical Clipping for Clinical Outcomes at Discharge in Patients With Poor-Grade Subarachnoid Hemorrhage: A Registry Study in Japan2023

Author(s)

Journal Title

DOI

Data Source

[Presentation] 国際臨床研究をどう位置づけ、どう付き合うか ―日本におけるREMAP-CAPの実施―2024

Author(s)

Organizer

Data Source

[Presentation] International Collaborative Clinical Research. International Platform Trial. As Diseases Cross Borders, So Should Trials2023

Author(s)

Organizer

Data Source

[Presentation] 国際臨床研究をどう位置づけ、どう付き合うか ―日本におけるREMAP-CAPの実施―2023

Author(s)

Organizer

Data Source

[Presentation] 国際アダプティブ・プラットフォーム試験REMAP-CAPのプロトコルおよび参加の実際：市中肺炎における抗菌薬およびマクロライド系薬投与期間ドメイン2023

Author(s)

Organizer

Data Source

Ichihara Naoaki 一原直昭

Ichihara Nao 一原直昭