Graduating School 【 display / non-display 】
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Tokyo Metropolitan University, 2013.03, Graduated
Graduate School 【 display / non-display 】
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Tokyo Metropolitan University, Doctor's Course, 2015.03, Completed
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Tokyo Metropolitan University, Doctor's Course, 2022.03, Completed
Campus Career 【 display / non-display 】
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2023.05-2024.09Tokyo Medical and Dental University, Graduate School of Health Care Sciences, Nursing Innovation, Development Studies in Clinical Nursing, Department of Home Health and Palliative Care Nursing, Project Assistant Professor
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2024.10-2025.03Institute of Science Tokyo, -, Graduate Schools, Development Studies in Clinical Nursing, Department of Home Health and Palliative Care Nursing, Project Assistant Professor
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2025.04-2025.10Institute of Science Tokyo, -, Graduate Schools, Development Studies in Clinical Nursing, Mental Health and Psychiatric Nursing, Project Assistant Professor
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2025.11-NowInstitute of Science Tokyo, -, Graduate Schools, Development Studies in Clinical Nursing, Mental Health and Psychiatric Nursing, Assistant Professor
External Career 【 display / non-display 】
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2014.05-2021.03Tokyo Adachi Hospital, Registered Nurse
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2015.04-2022.03Dokkyo University Medical Services Center,
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2017.04-2017.09National Center of Neurology and Psychiatry, National Institute of Mental Health Department of Community Mental Health &Law,
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2017.10-2019.03National Center of Neurology and Psychiatry, National Institute of Mental Health Department of Community Mental Health &Law,
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2019.04-2023.04National Center of Neurology and Psychiatry, National Institute of Mental Health Department of Community Mental Health &Law,
Academic Society Affiliations 【 display / non-display 】
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The Japanese Association for Emergency Psychiatry
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Japanese Society for Social Psychiatry
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Japanese Association of Psychiatric Rehabilitation
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The Japanese Society of Schizophrenia Research
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Japan Academy of Nursing Science
Academic Activity 【 display / non-display 】
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2025.04-NowJapanese Association of Psychiatric Rehabilitation reviewer
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2025.04-NowThe Japanese Society of Schizophrenia Research Councilor
Qualification Acquired 【 display / non-display 】
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Health Nurse
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General Nurse
Published Papers & Misc 【 display / non-display 】
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Sosei Yamaguchi, Takayuki Kawaguchi, Mai Iwanaga, Kaori Usui, Momoka Igarashi, Takuma Shiozawa, Junko Koike, Sayaka Sato, Chiyo Fujii. Do individual placement and support (IPS) service users leave their jobs soon? A subgroup analysis of a long‐term follow‐up study and a comparison with other population groups’ data Psychiatry and Clinical Neurosciences. 2025.12; ( DOI )
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Yamaguchi, S; Kawaguchi, T; Iwanaga, M; Usui, K; Igarashi, M; Shiozawa, T; Koike, J; Sato, S; Fujii, C. Long-term vocational outcomes in low- and high-fidelity supported employment programs: A multi-site study with 6 years of follow-up ASIAN JOURNAL OF PSYCHIATRY. 2025.08; 110 104572. ( PubMed, DOI )
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Takuma Shiozawa, Sosei Yamaguchi, Momoka Igarashi, Makoto Ogawa, Makiko Abe, Naonori Yasuma, Takayuki Kawaguchi, Chiyo Fujii. Development of Priority Outcome Domains for Community Mental Health Research via Consensus Among Multiple Stakeholders: Online Delphi Study in Japan International Journal of Mental Health Nursing. 2025.06; ( DOI )
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Sosei Yamaguchi, Junko Koike, Momoka Igarashi, Takayuki Kawaguchi, Takuma Shiozawa, Kaori Usui, Mai Iwanaga, Asami Matsunaga, Koji Yoshida, Sayaka Sato, Chiyo Fujii. Comparative Analysis of Independent Reviewer-Rated and Self-Rated Fidelity Scores in Individual Placement and Support Programs: Repeated Cross-Sectional Surveys. 2024.09; ( PubMed, DOI )
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Yasuma, N; Sato, S; Yamaguchi, S; Matsunaga, A; Shiozawa, T; Tachimori, H; Watanabe, K; Imamura, K; Nishi, D; Fujii, C; Kawakami, N. Effects of brief family psychoeducation on family caregiver burden of people with schizophrenia provided by psychiatric visiting nurses: a cluster randomised controlled trial BMC PSYCHIATRY. 2024.06; 24 (1): 445. ( PubMed, DOI )
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Yasutaka Ojio, Takuma Shiozawa, Ernesto R. Gregorio Jr, Maria Cynthia Leynes, Paul Michael R. Hernandez, Crystal Amiel M. Estrada, Taruto Fuyama, Jun Kobayashi, Naoko Satake. An international interdisciplinary approach to developing video educational materials promoting mental health literacy among adolescents in the Philippines EARLY INTERVENTION IN PSYCHIATRY. 2024.05; 18 (12): 1047-1054. ( PubMed, DOI )
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Igarashi, M; Kawaguchi, T; Shiozawa, T; Yamaguchi, S. Conversation topics in psychiatric consultations conducted with and without a shared decision-making tool: A qualitative content analysis PATIENT EDUCATION AND COUNSELING. 2023.10; 118 108045. ( PubMed, DOI )
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Oguro S, Ojio Y, Matsunaga A, Shiozawa T, Kawamura S, Yoshitani G, Horiguchi M, Fujii C. Mental health help-seeking preferences and behaviour in elite male rugby players. BMJ open sport & exercise medicine. 2023.05; 9 (2): e001586. ( PubMed, DOI )
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Naonori Yasuma, Takuma Shiozawa, Makoto Ogawa, Makiko Abe, Momoka Igarashi, Takayuki Kawaguchi, Sayaka Sato, Daisuke Nishi, Norito Kawakami, Sosei Yamaguchi, Chiyo Fujii. What outcomes in community mental health research are important to caregivers of people with schizophrenia? An exploratory qualitative analysis of an online survey. Neuropsychopharmacology reports. 2022.10; 42 (4): 526-531. ( PubMed, DOI )
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Igarashi M, Yamaguchi S, Sato S, Shiozawa T, Matsunaga A, Ojio Y, Fujii C. Influence of multi-aspect job preference matching on job tenure for people with mental disorders in supported employment programs in Japan. Psychiatric rehabilitation journal. 2022.10; 46 (2): 101-108. ( PubMed, DOI )
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Yamaguchi S, Abe M, Kawaguchi T, Igarashi M, Shiozawa T, Ogawa M, Yasuma N, Sato S, Miyamoto Y, Fujii C. Multiple stakeholders' perspectives on patient and public involvement in community mental health services research: A qualitative analysis. Health expectations : an international journal of public participation in health care and health policy. 2022.06; 25 (4): 1844-1860. ( PubMed, DOI )
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Shiozawa T, Yamaguchi S, Ogawa M, Abe M, Kawaguchi T, Igarashi M, Yasuma N, Fujii C. Consensus development of priority outcome domains for community mental health cares by multiple stakeholders: Protocol for an online Delphi study in Japan. Neuropsychopharmacology reports. 2021.12; 41 (4): 554-561. ( PubMed, DOI )
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Uchino T, Kotsuji Y, Kitano T, Shiozawa T, Iida S, Aoki A, Iwai M, Shirahata M, Seki A, Mizuno M, Tanaka K, Nemoto T. An integrated youth mental health service in a densely populated metropolitan area in Japan: Clinical case management bridges the gap between mental health and illness services. Early intervention in psychiatry. 2021.11; 16 (5): 568-575. ( PubMed, DOI )
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Yamaguchi S, Sato S, Shiozawa T, Matsunaga A, Ojio Y, Fujii C. Predictive Association of Low- and High-Fidelity Supported Employment Programs with Multiple Outcomes in a Real-World Setting: A Prospective Longitudinal Multi-site Study. Administration and policy in mental health. 2021.09; 49 (2): 255-266. ( PubMed, DOI )
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Yamaguchi S, Sato S, Ojio Y, Shiozawa T, Matsunaga A, Taneda A, Sawada U, Yoshida K, Fujii C. Assessing stable validity and reliability of the Japanese version of the individualized supported employment fidelity scale: A replication. Neuropsychopharmacology reports. 2021.06; 41 (2): 248-254. ( PubMed, DOI )
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Yasuma N, Yamaguchi S, Ogawa M, Shiozawa T, Abe M, Igarashi M, Kawaguchi T, Sato S, Nishi D, Kawakami N, Fujii C. Care difficulties and burden during COVID-19 pandemic lockdowns among caregivers of people with schizophrenia: A cross-sectional study. Neuropsychopharmacology reports. 2021.06; 41 (2): 242-247. ( PubMed, DOI )
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Yamaguchi S, Shiozawa T, Matsunaga A, Bernick P, Sawada U, Taneda A, Osumi T, Fujii C. Development and psychometric properties of a new brief scale for subjective personal agency (SPA-5) in people with schizophrenia. Epidemiology and psychiatric sciences. 2020.04; 29 e111. ( PubMed, DOI )
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Yasuma N, Sato S, Yamaguchi S, Matsunaga A, Shiozawa T, Tachimori H, Watanabe K, Imamura K, Nishi D, Fujii C, Kawakami N. Effects of brief family psychoeducation for caregivers of people with schizophrenia in Japan provided by visiting nurses: protocol for a cluster randomised controlled trial. BMJ open. 2020.04; 10 (4): e034425. ( PubMed, DOI )
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Shiozawa T, Yamaguchi S, Matsunaga A, Sawada U, Fujii C. Development of the Interpersonal Processes of Care Survey-Japanese version. Neuropsychopharmacology reports. 2020.03; 40 (1): 107-112. ( PubMed, DOI )
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Yamaguchi S, Ojio Y, Ando S, Bernick P, Ohta K, Watanabe KI, Thornicroft G, Shiozawa T, Koike S. Long-term effects of filmed social contact or internet-based self-study on mental health-related stigma: a 2-year follow-up of a randomised controlled trial. Social psychiatry and psychiatric epidemiology. 2019.01; 54 (1): 33-42. ( PubMed, DOI )
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Matsunaga A, Yamaguchi S, Sawada U, Shiozawa T, Fujii C. Psychometric Properties of Scale to Assess the Therapeutic Relationship-JapaneseVersion (STAR-J). Frontiers in psychiatry. 2019; 10 575. ( PubMed, DOI )
Conference Activities & Talks 【 display / non-display 】
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Momoka Igarashi, Takayuki Kawaguchi, Takuma Shiozawa, Yasutaka Ojio, Sosei Yamaguchi. Conversation topics in psychiatric consultations with and without a shared decision-making tool . ACMHN 47th International Mental Health Nursing Conference 2023.09.14
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Shiozawa T, Ojio Y, ER Gregorio, CR Leynes, PM Hernandez, CAM Estrada, Fuyama T, Satake N.. Development of animation tool for mental health literacy education for students in the Philippines.. 4th World Congress of the International Association for Child and Adolescent Psychiatry and Allied Professions. Singapore virtual congress. 2020.12
Campus class subject 【 display / non-display 】
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Psychiatric Nursing Seminar,2025 - Now
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Mental Health and Psychiatric Nursing I,2025 - Now
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Practice of Psychiatric and Mental Health Nursing,2024 - Now
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Mental Health and Psychiatric Nursing II,2024 - Now
External class subject 【 display / non-display 】
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現代の精神保健の課題と支援Ⅱ,Japan College of Social Work