Yamaguchi Sosei

• 2023 - 2028 Ten-year trajectory of people with mental disorders and their families in multidisciplinary outreach services: a multi-site longitudinal study
• 2023 - 2027 Packaging Outcome Indicators for the Professionalism and Quality Assurance of School Social Workers
• 2022 - 2025 Development of a mental health service system for comprehensive case management in psychiatric institutions
• 2021 - 2023 A study on human resource development and training of disability service providers for the realization of an inclusive society (No. 21GC1007)
• 2020 - 2023 Development of user-led evaluation and self-monitoring system of employment services for people with mental illness
2020 - 2023 Development of a remote training system for cognitive behavioral therapy to support people with severe mental illness in a community setting
2019 - 2022 [Improvement of services for people with disabilities in comprehensive community systems for people with mental illness]
2019 - 2022 [Development of evidence platform for mental health services and evaluation of prognosis for long-stay patients in psychiatric hospitals]
2019 - 2022 [Foundational research on development of a community service system for people with severe mental illness and their family members]
2019 - 2021 [A training for lecturers of peer support workers and dissemination of a training lecture]
2019 - 2021 [Survey on services to people with mental illness and development of an effective service program in sheltered workshop type B]
2018 - 2021 [Study project for early discharge and community lives in psychiatric inpatients: cohort study]
2017 - 2020 [Effects of the vocational program that combined cognitive remediation using the original software "Jcores" and supported employment for job tenure and employment rate with severe mental illness]
2018 - 2019 [Research on improvement in quality of medical care in acute psychiatric settings]
2016 - 2019 [Lectures for skill training in peer support workers]
2016 - 2019 [Development of a recovery college guideline for multidisciplinary team including service users]
2016 - 2019 A co-production project to develop a practical guidance for patient-centered and life-oriented recovery of schizophrenia
2016 - 2019 [Evaluation of a Japanese version supported employment fidelity and development of a fidelity assessment system]
2015 - 2019 [Comprehensive research on meanings and effects of peer supports]
2015 - 2018 [Quality assurance in welfare services for people with disabilities and career development]
2015 - 2017 [Development of an anti-stigma programme towards people with disabilities]
2015 - 2017 [Facilitating employment in people with mental illness]
2015 - 2016 [Outreach services for living training and community lives]
2014 - 2016 [Service model development and evaluation of early transition from psychiatry day-care to community]
2013 - 2016 [Development and evaluation of a computer software tool for recovery-oriented shared decision making in psychiatry]
[Research on stigma towards people with mental illness]

• Mai Iwanaga, Sosei Yamaguchi, Sayaka Sato, Kaori Usui, Kiyoaki Nakanishi, Erisa Nishiuchi, Michiyo Shimodaira, Yugan So, Chiyo Fujii. Comparison of the 12-item and 36-item versions of the World Health Organization Disability Assessment Schedule (WHODAS) 2.0 using longitudinal data from community mental health outreach service users. Neuropsychopharmacology Reports. 2024
• Mai Iwanaga, Sosei Yamaguchi, Satoshi Hashimoto, Shimpei Hanaoka, Hiroshi Kaneyuki, Kiyoshi Fujita, Yoshiki Kishi, Toyoaki Hirata, Chiyo Fujii, Naoya Sugiyama. Ranking important predictors of the need for a high-acuity psychiatry unit among 2,064 inpatients admitted to psychiatric emergency hospitals: a random forest model. Frontiers in Psychiatry. 2024. 15. 1303189
• Momoka Igarashi, Takayuki Kawaguchi, Takuma Shiozawa, Sosei Yamaguchi. Conversation topics in psychiatric consultations conducted with and without a shared decision-making tool: A qualitative content analysis. Patient Education and Ccounseling. 2023. 118. 108045-108045
• Sayaka Sato, Miharu Nakanishi, Makoto Ogawa, Makiko Abe, Naonori Yasuma, Toshiaki Kono, Momoka Igarashi, Mai Iwanaga, Takayuki Kawaguchi, Sosei Yamaguchi. Rehospitalisation rates after long-term follow-up of patients with severe mental illness admitted for more than one year: a systematic review. BMC Psychiatry. 2023. 23. 1. 788-788
• Mai Iwanaga, Sosei Yamaguchi, Sayaka Sato, Kiyoaki Nakanishi, Erisa Nishiuchi, Michiyo Shimodaira, Yugan So, Kaori Usui, Chiyo Fujii. Service intensity of community mental health outreach among people with untreated mental health problems in Japan: A retrospective cohort study. Psychiatry and Clinical Neurosciences Reports. 2023. 2. 3. e138

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• Sosei Yamaguchi, Satoru Oishi. Schizophrenia-related stigma and social participation. Journal of Clinical and Experimental Medicine. 2023. 286. 6. 511-516
• Masato Fukuda, Yosuke Kumakura, Sosei Yamaguchi. Bridging a gap between research and treatment in schizophrenia: co-production for future of treatment guide and academic society. Journal of Clinical and Experimental Medicine. 2023. 286. 6. 614-620
• Sosei Yamaguchi, Takuma Shiozawa, Takayuki Kawaguchi. The current state of social services for schizophrenia. Japanese Journal of Psychiatric Treatment. 2023. 38. 7. 815-820
• Sosei Yamaguchi. Mental illness and stigma: What we know and what we don't know. Japanese Journal of Psychiatric Social Work. 2023. 54. 3. 216-224
• Patricia Deegan, Akiko Sakamoto, Fumie Hisanaga, Setsuko Sakae, Sosei Yamaguchi. Conversation with Dr. Deegan: About peer supporters, personal medicine, and physical health. Japanese Journal of Psychiatric Rehabilitation. 2023. 27. 1. 97-104

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• A practical guide to outreach services for persons with mental, intellectual, and developmental disabilities for social care professionals: community living assistants
  Kongo Shuppan 2024 ISBN:9784772420150
• Assessment tools for employment services
  2022 ISBN:9784758320573
• 障害別の基礎的理解と特性に応じた支援II:精神障害(介護福祉士養成講座14:障害の理解 第2版)
  中央法規 2022 ISBN:9784805857748
• 第3章第3節 精神障害リハビリテーションのプロセス(精神障害リハビリテーション論)
  中央法規出版 2021 ISBN:9784805882542
• 主体性を大切に:求められる支援とは(人生行動科学としての思春期学)
  東京大学出版会 2020 ISBN:9784130111485

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• 社会福祉学 (大阪府立大学)

• 2023/01 - 現在 Cooperation Graduate School, Graduate School of Medicine and Faculty of Medicine, The University of Tokyo Mental Health Policy Associate Professor (Cooperation Graduate School)
• 2014/04 - 現在 National Center of Neurology and Psychiatry Department of Community Mental Health & Law, National Institute of Mental Health Section chief of Mental Health Service Evaluation Research
• 2018/10 - 2023/03 The University of Tokyo School of Public Health Visiting researcher
• 2011/04 - 2014/03 National Center of Neurology and Psychiatry Department of Psychiatric Rehabilitation, National Institute of Mental Health, Flexible researcher

• 2024/01 - 現在 Japan Epidemiological Association Associate Editors
• 2022/03 - 現在 Japanese Society of Schizophrenia Research A board member
• 2021/06 - 現在 一般社団法人ルンアルン 外部理事
• 2021/05 - 現在 Japanese Society of Schizophrenia Research Council Member
• 2020/07 - 現在 Community Mental Health & Welfare Bonding Organization a board member
2020/07 - 現在 Japanese Society for Social Psychiatry A member of Multi-Disciplinary Collaboration Committee
2018/04 - 現在 Japanese Association of Psychiatric Rehabilitation A board member
2018/04 - 現在 Japanese Association of Psychiatric Rehabilitation A member of Editorial Board
2016/10 - 現在 Japanese Association of Psychiatric Social Workers A member of Article Review Committee
2016/09 - 現在 Japan Individual Placement and Support Association A board member
2016/03 - 現在 Japanese Society for the Elimination of Barriers to Mental Health A councillor member
2022/03 - 2024/03 Japanese Society for Social Psychiatry A board member
2020/06 - 2022/02 Japanese Society for Social Psychiatry Council Member
2016/09 - 2020/09 Japanese Society for the Study of Mental Health and Social Welfare A member of Editorial Board

• 2019/04 - Japanese Society of Schizophrenia Research Young Researcher Award for the Presentation Development of a brief scale for personal agency in people with severe mental illness
• 2018/12 - Japanese Association of Psychiatric Rehabilitation Highest award Cost-effectiveness of cognitive remediation and supported employment for people with mental illness: a randomized controlled trial
• 2016/12 - Japanese Association of Psychiatric Rehabilitation Highest award Utilization and costs of community services for people with severe mental illness after discharge from hospitals: a nested cross-sectional survey
• 2016/03 - Japanese Society of Schizophrenia Research Academic award Scientific evaluation of interventions for reducing stigma towards people with mental illness including schizophrenia
• 2015/03 - National Institute of Mental Health, National Center of Neurology and Psychiatry Award for Excellence (first prize) Effectiveness and cost-effectiveness of cognitive remediation and supported employment: a randomized controlled trial

Japanese Society for Prevention and Early Intervention in Psychiatry ,  Japan Society of Vocational Rehabilitation ,  Community Mental Health Outreach Associtation ,  Japanese Society of Psychiatry and Neurology ,  Cochrane Japan ,  Japanese Society for Social Psychiatry ,  Japanese Society of Schizophrenia Research ,  Japan Individual Placement and Support Association ,  Japanese Society for the Elimination of Barriers to Mental Health ,  Japanesse Association of Psychiatric Social Workers ,  Japanese Society for the Study of Mental Health and Social Welfare ,  Japanese Society for the Study of Social Welfare ,  Japanese Association of Psychiatric Rehabilitation