Medical Institutions Participating in or Agreeing to Participate in iCROWN (as of October 2025)

In FY2024, with the participation of 14 Designated Medical Institutions for Specified and Class I Infectious Diseases, iCROWN was established. In FY2025, iCROWN will be expanded further with the participation of the following Research-Implementing Institutions, Research-Promoting Institutions, and Semi-Research-Implementing Institutions.
(Only medical institutions that have given permission are listed.)

1)Research-Implementing Institutions

No mark: Designated Medical Institutions for Class I Infectious Diseases
[Spec.]: Designated Medical Institutions for Specified Infectious Diseases
*Corporate and organization names have been omitted.

Municipality nameResearch-Implementing InstitutionsMunicipality nameResearch-Implementing Institutions
HokkaidoSapporo City General HospitalKyotoUniversity Hospital, Kyoto Prefectural University of Medicine
AomoriAomori Prefectural Central HospitalOsakaOsaka City General Hospital
MiyagiTohoku University Hospital[Spec.] Rinku General Medical Center
AkitaAkita University HospitalHyogoKobe City Medical Center General Hospital
YamagataYamagata Prefectural Central HospitalNaraNara Medical University Hospital
FukushimaFukushima Medical University HospitalWakayamaJapanese Red Cross Wakayama Medical Center
TochigiJichi Medical University HospitalTottoriTottori Prefectural Kousei Hospital
GunmaGunma University HospitalOkayamaOkayama University Hospital
SaitamaSaitama Medical University HospitalHiroshimaHiroshima University Hospital
ChibaIUHW Narita HospitalKagawaKagawa Prefectural Central Hospital
[Spec.] Japanese Red Cross Narita HospitalEhimeEhime University Hospital
TokyoTokyo Metropolitan Cancer and Infectious Diseases Center Komagome HospitalKochiKochi Health Sciences Center
[Spec.] National Center for Global Health and MedicineFukuokaFukuokahigashi Medical Center
KanagawaYokohama Municipal Citizen’s HospitalSagaSaga-ken Medical Centre Koseikan
ToyamaToyama Prefectural Central HospitalNagasakiNagasaki University Hospital
NaganoNagano Prefectural Shinshu Medical CenterKumamotoKumamoto City Hospital
ShizuokaShizuoka City Shizuoka HospitalMiyazakiMiyazaki Prefectural Miyazaki Hospital
AichiJapanese Red Cross Aichi Medical Center Nagoya Daini HospitalKagoshimaKagoshima University Hospital
[Spec.] Chitahanto Rinku HospitalOkinawaUniversity of the Ryukyus Hospital
ShigaOtsu City Hospital

【Requirements for medical institution registration (excerpt)】Research-Implementing Institutions

  • Must be a Designated Medical Institution for Specified and Class I Infectious Diseases that accepts patients in cooperation with the Ministry of Health, Labour and Welfare and the prefecture (local governments, health centers, etc.).
    *Designated Medical Institutions for Specified Infectious Diseases are designated by the Ministry of Health, Labour and Welfare. Designated Medical Institutions for Class I Infectious Diseases are as nominated administratively by the prefectures.
    *In principle, one medical institution per prefecture. However, prefectures that already have Designated Medical Institutions for Specified Infectious Diseases may also add designated Medical Institutions for Class I Infectious Diseases.
  • Must have an established system for providing outpatient and inpatient care for novel influenza and other infectious diseases in accordance with the Infectious Diseases Control Law.
  • Must be able to conduct clinical research using the network and participate in regular training and drills in normal times.
  • Must demonstrate a willingness to actively participate in clinical research even during emergencies.
  • Must meet one of the following conditions:
    1. Intends to secure the ability to conduct in-house clinical research.
    2. If conducting clinical research in-house is difficult due to resource constraints, is willing to enter into a support agreement with a Research-Promoting Institutions.
  • Must agree to the Infectious disease Clinical Research netwOrk With National repository (iCROWN) Repository Implementation Plan.
  • Must participate in Institutional Coordination Meeting.

2)Research-Promoting Institutions

*Corporate and organization names have been omitted.

Research-Promoting Institutions
Hokkaido University HospitalSt. Marianna University Hospital *Repository research is also planned.
National Cancer Center Hospital EastYokohama City University Hospital *Repository research is also planned.
Chiba University HospitalNagoya University Hospital *Repository research is also planned.
Keio University HospitalFujita Health University Hospital
National Cancer Center HospitalThe University of Osaka Hospital
Juntendo University HospitalKyushu University Hospital

【Requirements for medical institution registration (excerpt)】Research-Promoting Institutions

Participation in the Infectious disease Clinical Research netwOrk With National repository (iCROWN) shall be open to medical institutions that meet the following requirements:

  • Institutions that have entered into a medical care agreement* under the Infectious Diseases Control Law must possess regional network functions (such as ARO capabilities) and be able to collaborate with 1) Research-Implementing Institutions in normal times.
    *Medical care agreement refers to an agreement in which the institution secures beds and is capable of dispatching medical personnel.
  • Must be able to support the clinical research activities of Research-Implementing Institutions in need, both from scientific/technical perspectives and through operational assistance in study execution.
    *The specific Research-Implementing Institutions to be supported will be determined by the administrative office based on needs of Research-Implementing Institutions, seeds of Research-Promoting Institutions, geographic location, and other relevant factors.
  • Should ideally have the capacity to serve as the principal investigator (PI) for clinical research and hopefully be a core clinical research hospital.
  • Must demonstrate a willingness to actively participate in clinical research even during emergencies.
  • Must be able to collaborate with the administrative office to support the conduct of clinical research.
  • Must participate in the network’s strategic meetings held in normal times in preparation for pandemics.
  • Must be able to enter into a formal agreement confirming its commitment to providing research support.

3)Semi-Research-Implementing Institutions

Semi-Research-Implementing Institutions
JCHO Hokkaido HospitalSt. Marianna University Yokohama Seibu Hospital
Yamagata Sakata Hospital Organization Nihonkai General HospitalNHO Shinshu Ueda Medical Center
Tokushukai Medical Corporation Koga General HospitalJOHAS Asahi Rosai Hospital
JIHS National Kohnodai Medical CenterSakai City Medical Center
IMSUT Hospital - The Institute of Medical Science, The University of TokyoFukuoka Tokushukai Hospital
Teikyo University HospitalSaiseikai Kumamoto Hospital
Tokyo Metropolitan Bokutoh HospitalJCHO Hitoyoshi Medical Center

【Requirements for medical institution registration (excerpt)】Semi-Research-Implementing Institutions

  • Must be nominated administratively by the prefecture and maintain an established collaborative relationship with a Research-Promoting Institution in normal times.
  • Must be a institution subject to Measures to Ensure Medical Care Levels at the Initial Period of an Epidemic that accepts patients in cooperation with the Ministry of Health, Labour and Welfare and the prefecture (local governments, health centers, etc.).
  • Must express willingness to register clinical specimens and cases for studies conducted under this project.
  • Must agree to the Infectious disease Clinical Research netwOrk With National repository (iCROWN) Repository Implementation Plan.