Akihiko Ozaki

ORCID: 0000-0003-4415-9657
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About
Contact & Profiles
Research Areas
  • Pharmaceutical industry and healthcare
  • Pharmaceutical Economics and Policy
  • Radioactive contamination and transfer
  • Disaster Response and Management
  • Risk Perception and Management
  • Health Systems, Economic Evaluations, Quality of Life
  • Radiation Dose and Imaging
  • Palliative Care and End-of-Life Issues
  • COVID-19 and healthcare impacts
  • Global Cancer Incidence and Screening
  • COVID-19 and Mental Health
  • COVID-19 epidemiological studies
  • Radioactivity and Radon Measurements
  • Healthcare cost, quality, practices
  • Disaster Management and Resilience
  • SARS-CoV-2 and COVID-19 Research
  • Geriatric Care and Nursing Homes
  • COVID-19 Clinical Research Studies
  • Healthcare Policy and Management
  • Health disparities and outcomes
  • Climate Change and Health Impacts
  • Global Health Workforce Issues
  • Economic and Financial Impacts of Cancer
  • Diversity and Career in Medicine
  • Social Media in Health Education

Medical Governance Research Institute
2017-2025

Jyoban Hospital
2016-2025

Fukushima Medical University
2016-2025

Orange (Poland)
2020-2025

Hokkaido University
2022-2025

Osaka Hospital
2025

Japan Community Healthcare Organization
2025

Weatherford College
2020-2024

Taiho Oncology (United States)
2024

Kyowa Kirin (Japan)
2024

The COVID-19 pandemic has negatively impacted the mental health of healthcare workers in many countries including Japan. While survey-based findings have reported serious state their wellbeing among workers, first-hand experience and coping this population remains to be evaluated. Accordingly, study aimed appraise them using constructionist thematic analysis on semi-structured interviews attended by a purposive snowball sample 24 Japan conducted December 2020-January 2021. Four themes were...

10.3390/ijerph19010568 article EN International Journal of Environmental Research and Public Health 2022-01-05

BackgroundDementia and hearing loss are both highly prevalent conditions among older adults. We aimed to examine the association between aid use risk of all-cause cause-specific dementia middle-aged older-aged adults, explore roles mediators moderators in their association.MethodsWe used data from UK Biobank, a population-based cohort study, which recruited adults aged 40–69 years 2006 2010 across 22 centres England, Scotland, Wales. Cox proportional hazards models estimate hazard ratios...

10.1016/s2468-2667(23)00048-8 article EN cc-by The Lancet Public Health 2023-04-14

Objective Japan's 2011 Fukushima Daiichi Nuclear Power Plant incident required the evacuation of over a million people, creating large displaced population with potentially increased vulnerability in terms chronic health conditions. We assessed long-term impact on diabetes, hyperlipidaemia and hypertension. Participants considered participants annual public check-ups from 2008 to 2014, administrated by Minamisoma City Soma City, located about 10–50 km nuclear plant. Methods Disease risks,...

10.1136/bmjopen-2015-010080 article EN cc-by-nc BMJ Open 2016-02-01

The current pandemic of the coronavirus disease 2019 (COVID-19) has negatively impacted medical workers' mental health in many countries including Japan. Although research identified poor workers COVID-19, protective factors for their remain to be appraised. Accordingly, this study aimed investigate relationships between problems, loneliness, hope and self-compassion among Japanese workers, compare with general population. Online self-report measures regarding those four constructs were...

10.1007/s12144-021-01514-z article EN cc-by Current Psychology 2021-02-20

Worldwide, COVID-19 has exacerbated the vulnerability of migrants, impacting many facets their lives. Nepalese make up one largest groups migrants residing in Japan. Crises, such as ongoing pandemic could disproportionately affect from low- and middle-income countries like Nepal, widening health economic inequalities. An in-depth, comprehensive assessment is needed to appraise diverse problems they encounter. Drawing upon qualitative interviews, this study aimed identify challenges faced by...

10.1186/s12889-021-10796-8 article EN cc-by BMC Public Health 2021-04-19

Purpose The purpose of this study was to evaluate the changes in capabilities between Generative Pre-trained Transformer (GPT)-3.5 and GPT-4 versions large-scale language model ChatGPT within a Japanese medical context. Methods involved 3.5 4 responding questions from 112th National Nursing Examination (JNNE). comprised three analyses: correct answer rate score calculations, comparisons GPT-3.5 GPT-4, rates for conversation questions. Results responded 237 out 238 JNNE. While achieved an...

10.7759/cureus.42924 article EN Cureus 2023-08-03

Rationale: The healthcare industry sometimes makes payments to physicians for nonresearch and research purposes in the United States. Objectives: We aimed evaluate trends pulmonologists since inception of Open Payments database 2013. Methods: Using between August 2013 December 2021, this population-based observational cohort study examined made by registered National Plan Provider Enumeration System performed descriptive analyses on payment data generalized estimating equations trends....

10.1513/annalsats.202209-827oc article EN Annals of the American Thoracic Society 2023-03-24

Concerns about the financial relationships between nephrologists and health care industry have been reported in United States over past decade. However, since 2014 launch of federal transparency database, Open Payments, few documents explored whole picture research nonresearch payments to US from sources. In this study, authors found that 87% received payments, aggregate amount these has increasing 2014. Only 12% payments; recipients were disproportionately male. addition, top 5% receiving...

10.1681/asn.0000000000000172 article EN Journal of the American Society of Nephrology 2023-07-25

Japan's conditional/time‐limited early approval program, initiated in 2014, aimed to advance regenerative medicine by expediting market access. However, the withdrawal of autologous skeletal myoblast sheets (Heartsheet) due ineffectiveness raises concerns about balance between rapid and scientific integrity. While program seeks boost innovation, it risks endorsing costly, unclear treatments under national health care. This case highlights need refine regulatory approaches, ensuring clinical...

10.1002/cpt.3562 article EN cc-by Clinical Pharmacology & Therapeutics 2025-01-14

The 3.11 disaster in Fukushima Prefecture, Japan, is a useful case study through which to interrogate research ethics. This region has been the site of high degree interest, sometimes presented source stress local communities. examines researcher perspectives on ethics post-disaster health research. Qualitative interviews were conducted with these informants, who noted that recovering communities experienced significant over-research, particularly form survey fatigue, was seen influence...

10.1111/disa.12681 article EN cc-by Disasters 2025-03-04

<h3>Importance</h3> Clinical practice guidelines (CPGs) are important in advancing the quality of medical care. Financial relationships between physicians and pharmaceutical companies may influence clinical practice. In accordance with Japan Pharmaceutical Manufacturers Association for transparency, company payments to have been disclosed since 2013. The distribution among CPG authors has not studied. <h3>Objectives</h3> To determine characteristics made by oncologic CPGs assess transparency...

10.1001/jamanetworkopen.2019.2834 article EN cc-by-nc-nd JAMA Network Open 2019-04-26

This cross-sectional study investigates the prevalence of depression and anxiety their associations with lifestyle changes among adolescents in Wuhan, China, during coronavirus disease 2019 pandemic.

10.1001/jamapediatrics.2020.5499 article EN JAMA Pediatrics 2021-01-19

Rigorous and transparent management strategies for conflicts of interest clinical practice guidelines with the best available evidence are necessary development nephrology guidelines. However, there was no study assessing financial nonfinancial interest, quality underlying Japanese CKD, conflict policies guideline development.

10.2215/cjn.14661121 article EN Clinical Journal of the American Society of Nephrology 2022-05-27

Financial relationships between healthcare professionals and pharmaceutical companies have historically caused conflicts of interest unduly influenced patient care. However, little was known about such relationship its effect in clinical practice among specialists respiratory medicine.Based on the retrospective analysis payment data made available by all 92 Japan, this study evaluated magnitude trend financial board-certified Japanese 2016 2019. Magnitude prevalence payments for were...

10.1159/000526576 article EN cc-by-nc Respiration 2022-01-01

Clinical practice guidelines assist healthcare professionals in providing evidence-based care. However, pharmaceutical companies' financial interests often influence guideline content. This study aimed to elucidate the magnitude of ties among Japanese gastroenterology authors and industry.Using company disclosed payment data, we evaluated conflicts interest (COI) Society Gastroenterology between 2016 2021. Additionally, assessed evidence quality supporting recommendations associations with...

10.1111/jgh.16089 article EN Journal of Gastroenterology and Hepatology 2022-12-15

Self-regulation of payment disclosure by pharmaceutical industry trade groups is a major global approach to increasing transparency financial relationships between drug companies and healthcare professionals organisations. Nevertheless, little known about the relative strengths weaknesses self-regulation across countries, especially beyond Europe. To address this gap in research stimulate international policy learning, we compare UK Japan, likely strongest cases Europe Asia, three dimensions...

10.1186/s12992-022-00902-9 article EN cc-by Globalization and Health 2023-03-03
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