Study protocol of the ASTOP trial: A multicenter, randomized, double-blind, placebo-controlled trial of presurgical aspirin administration for the prevention of thromboembolic complications of coil embolization for ruptured aneurysms

• Sakyo Hirai,

  Roles Conceptualization, Investigation, Methodology, Project administration, Resources, Writing – original draft, Writing – review & editing

  Affiliation Department of Endovascular Surgery, Tokyo Medical and Dental University, Tokyo, Japan

  https://orcid.org/0000-0002-3077-1821

  ⨯
• Kyohei Fujita,

  Roles Conceptualization, Investigation, Methodology, Resources, Writing – review & editing

  Affiliation Department of Endovascular Surgery, Tokyo Medical and Dental University, Tokyo, Japan

  ⨯
• Shoko Fujii,

  Roles Conceptualization, Data curation, Investigation, Resources, Writing – review & editing

  Affiliation Department of Endovascular Surgery, Tokyo Medical and Dental University, Tokyo, Japan

  https://orcid.org/0000-0002-0695-4716

  ⨯
• Satoru Takahashi,

  Roles Investigation, Methodology, Resources, Writing – review & editing

  Affiliation Department of Endovascular Surgery, Tokyo Medical and Dental University, Tokyo, Japan

  ⨯
• Keigo Shigeta,

  Roles Conceptualization, Investigation, Methodology, Resources, Writing – review & editing

  Affiliation Department of Neurosurgery, National Hospital Organization Disaster Medical Center, Tokyo, Japan

  https://orcid.org/0000-0003-4300-4231

  ⨯
• Jun Karakama,

  Roles Investigation, Resources, Writing – review & editing

  Affiliation Department of Neurosurgery, Ome Medical Center, Tokyo, Japan

  ⨯
• Yukiko Enomoto,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Gifu University Graduate School of Medicine, Gifu, Japan

  https://orcid.org/0000-0003-0019-7029

  ⨯
• Yohei Sato,

  Roles Investigation, Resources, Writing – review & editing

  Affiliation Department of Neurosurgery, Japanese Red Cross Musashino Hospital, Tokyo, Japan

  ⨯
• Masataka Yoshimura,

  Roles Investigation, Resources, Writing – review & editing

  Affiliations Department of Neurosurgery, Tsuchiura Kyodo General Hospital, Ibaraki, Japan, Department of Endovascular Neurosurgery, Saitama Medical University International Medical Center, Saitama, Japan

  ⨯
• Shin Hirota,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Tsuchiura Kyodo General Hospital, Ibaraki, Japan

  https://orcid.org/0000-0002-6920-8665

  ⨯
• Tatsuya Mizoue,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Suiseikai Kajikawa Hospital, Hiroshima, Japan

  ⨯
• Yoshikazu Yoshino,

  Roles Investigation, Resources, Writing – review & editing

  Affiliation Department of Neuroendovascular Surgery, Jichi Medical University Saitama Medical Center, Saitama, Japan

  ⨯
• Yoshihisa Kawano,

  Roles Investigation, Resources

  Affiliations Department of Neurosurgery, JA Toride Medical Center, Ibaraki, Japan, Department of Neurosurgery, Tokyo Medical and Dental University, Tokyo, Japan

  ⨯
• Toshihiro Yamamura,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, JA Toride Medical Center, Ibaraki, Japan

  ⨯
• Shinya Kohyama,

  Roles Investigation, Resources

  Affiliation Department of Endovascular Neurosurgery, Saitama Medical University International Medical Center, Saitama, Japan

  ⨯
• Masaru Hirohata,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Kurume University Hospital, Fukuoka, Japan

  ⨯
• Shinichi Yoshimura,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Hyogo Medical University Hospital, Hyogo, Japan

  ⨯
• Yosuke Ishii,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Kanto Rosai Hospital, Kanagawa, Japan

  ⨯
• Toshihiro Yamauchi,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Chiba Emergency and Psychiatric Medical Center, Chiba, Japan

  ⨯
• Naoki Taira,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Shuwa General Hospital, Saitama, Japan

  https://orcid.org/0009-0009-9732-627X

  ⨯
• Yoshiki Obata,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Tokyo Kita Medical Center, Tokyo, Japan

  ⨯
• Makoto Sakamoto,

  Roles Investigation, Resources

  Affiliation Faculty of Medicine, Department of Brain and Neurosciences, Division of Neurosurgery, Tottori University, Tottori, Japan

  ⨯
• Masato Inoue,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Center Hospital of the National Center for Global Health and Medicine, Tokyo, Japan

  ⨯
• Motoshige Yamashina,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Soka Municipal Hospital, Saitama, Japan

  ⨯
• So Tokunaga,

  Roles Investigation, Resources

  Affiliation Department of Neuroendovascular Surgery, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan

  ⨯
• Toshio Higashi,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Fukuoka University Chikushi Hospital, Fukuoka, Japan

  ⨯
• Kana Sawada,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Tokyo Bay Urayasu Ichikawa Medical Center, Chiba, Japan

  ⨯
• Hidetoshi Mochida,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Asahi General Hospital, Chiba, Japan

  ⨯
• Keisuke Ido,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Saga Prefectural Hospital Koseikan, Saga, Japan

  ⨯
• Masataka Takeuchi,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Seisho Hospital, Kanagawa, Japan

  ⨯
• Tomoji Takigawa,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Dokkyo Medical University Saitama Medical Center, Saitama, Japan

  ⨯
• Yasushi Takagi,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Tokushima University Hospital, Tokushima, Japan

  ⨯
• Masafumi Morimoto,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan

  ⨯
• Masataka Nanto,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan

  ⨯
• Kazunori Miki,

  Roles Investigation, Resources

  Affiliation Department of Neuroendovascular Surgery, Tokyo Metropolitan Police Hospital, Tokyo, Japan

  ⨯
• Kouichi Misaki,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Kanazawa University Hospital, Kanazawa, Japan

  https://orcid.org/0000-0002-3752-2406

  ⨯
• Koichi Arimura,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan

  https://orcid.org/0000-0003-2455-9506

  ⨯
• Yoshiki Hanaoka,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Shinshu University Hospital, Nagano, Japan

  ⨯
• Mutsuya Hara,

  Roles Investigation, Resources

  Affiliation Department of Neurosurgery, Tokyo Metropolitan Toshima Hospital, Tokyo, Japan

  ⨯
• Shoko Hara,

  Roles Investigation, Methodology

  Affiliation Department of Neurosurgery, Tokyo Medical and Dental University, Tokyo, Japan

  ⨯
• Kota Yokoyama,

  Roles Investigation, Methodology, Resources

  Affiliation Department of Radiology, Tokyo Medical and Dental University, Tokyo, Japan

  ⨯
• Jun Ooyama,

  Roles Investigation, Methodology, Resources

  Affiliation Department of Radiology, Tokyo Medical and Dental University, Tokyo, Japan

  ⨯
• Ryoichi Hanazawa,

  Roles Data curation, Formal analysis, Methodology

  Affiliation Department of Clinical Biostatistics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan

  https://orcid.org/0000-0002-4230-7356

  ⨯
• Hiroyuki Sato,

  Roles Data curation, Formal analysis, Investigation, Methodology

  Affiliation Department of Clinical Biostatistics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan

  ⨯
• Akihiro Hirakawa,

  Roles Data curation, Formal analysis, Investigation, Methodology

  Affiliation Department of Clinical Biostatistics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan

  ⨯
• Megumi Ishiguro,

  Roles Methodology, Supervision, Visualization, Writing – review & editing

  Affiliation Department of Health Science and Development Center, Tokyo Medical and Dental University, Tokyo, Japan

  ⨯
• Shigeru Nemoto,

  Roles Conceptualization, Supervision

  Affiliation Department of Neurosurgery, Kanto Rosai Hospital, Kanagawa, Japan

  ⨯
•  [ ... ],
• Kazutaka Sumita

  Roles Conceptualization, Methodology, Project administration, Resources, Supervision, Writing – review & editing

  * E-mail: sumita.nsrg@tmd.ac.jp

  Affiliation Department of Endovascular Surgery, Tokyo Medical and Dental University, Tokyo, Japan

  https://orcid.org/0000-0002-1348-1099

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