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Sahker, Ethan

Graduate School of Medicine Assistant Professor

Sahker, Ethan
list
    Last Updated :2022/05/15

    Basic Information

    Faculty

    • 医学部
    • 国際高等教育院

    Academic Degree

    • M.A.(Chatham University)
    • Ph.D.(University of Iowa)

    Research History

    • From Aug. 2020, To Present
      Kyoto University, Graduate School of Medicine, Assistant Professor, Assistant Professor
    • From Sep. 2019, To Jul. 2020
      Kyoto University, Kyoto University School of Medicine / School of Public Health, Department of Health Promotion and Human Behavior, JSPS Postdoctoral Fellow
    • From Jul. 2018, To Jun. 2019
      University of California San Diego / Veterans Affairs, Department of Psychiatry, Clinical Psychology Intern
    • From Jul. 2018, To May 2019
      University of Iowa, Iowa Consortium for Substance Abuse Research and Evaluation, Research Professional
    • From Aug. 2013, To Jul. 2018
      University of Iowa, Iowa Consortium for Substance Abuse Research and Evaluation, Graduate Research Assistant
    • From Aug. 2012, To May 2013
      Chatham University, Counseling Psychology Programs, Adjunct Instructor

    Language of Instruction

    • English

    ID,URL

    researchmap URL

    list
      Last Updated :2022/05/15

      Research

      Research Interests

      • Clinical Epidemiology
      • Public Health
      • Psychology
      • Psychiatry
      • Addiction

      Research Areas

      • Humanities & social sciences, Social psychology, Addiction and Mental Health

      Papers

      • Group Cognitive-Behavioral Therapy With Interoceptive Exposure for Drug-Refractory Irritable Bowel Syndrome: A Randomized Controlled Trial
        Shino Kikuchi; Yuki Oe; Yuri Ito; Takashi Sozu; Yohei Sasaki; Masatsugu Sakata; Yan Luo; Ethan Sahker; Masaru Horikoshi; Hiroshi Seno; Toshi A. Furukawa
        American Journal of Gastroenterology, Apr. 2022, Peer-reviewed
      • Perinatal internet-based cognitive behavioural therapy for preventing postnatal depression
        Rie Toyomoto; Kazufumi Yoshida; Ethan Sahker; Masatsugu Sakata; Yan Luo; Aran Tajika; Norio Watanabe
        Cochrane Database of Systematic Reviews, 25 Mar. 2022, Peer-reviewed
      • Substance use disorder treatment success: assessing patient-reported use improvement and provider-evaluated treatment completion
        Ethan Sahker; Akira Onishi; Edoardo G. Ostinelli; Yusuke Tsutsumi; Kenji Omae; Toshi A. Furukawa
        Addiction Research & Theory, 02 Nov. 2021, Peer-reviewed, Lead author, Corresponding author
      • State population indices predict Asian American and Pacific Islander successful substance use treatment completion: An exploratory observational study
        Sahker E; Park S; Garrison YL; Yeung CW; Luo Y; Arndt S; Furukawa TA
        Journal of Ethnicity in Substance Abuse, Jun. 2021, Peer-reviewed, Lead author, Corresponding author
      • Efficacy of Brief Intervention for Unhealthy Drug Use in Outpatient Medical Care: a Systematic Review and Meta-analysis
        Ethan Sahker; Yan Luo; Masatsugu Sakata; Rie Toyomoto; Chiyoung Hwang; Kazufumi Yoshida; Norio Watanabe; Toshi A. Furukawa
        Journal of General Internal Medicine, 13 Apr. 2022, Peer-reviewed, Lead author, Corresponding author
      • Factors supporting substance use improvement for Black Americans: A population health observational study.
        Ethan Sahker; George Pro; Masatsugu Sakata; Hemant Poudyal; Ayana Jordan; Toshi A Furukawa
        Drug and alcohol dependence, 16 Mar. 2022, Peer-reviewed, Lead author, Corresponding author
      • Antidepressant prescriptions have not fully reflected evolving evidence from cumulative network meta-analyses and guideline recommendations.
        Yan Luo; Edoardo G Ostinelli; Ethan Sahker; Anna Chaimani; Yuki Kataoka; Yusuke Ogawa; Andrea Cipriani; Georgia Salanti; Toshi A Furukawa
        Journal of clinical epidemiology, 06 Jan. 2021, Peer-reviewed
      • Initial treatment choices to achieve sustained response in major depression: a systematic review and network meta-analysis.
        Toshi A Furukawa; Kiyomi Shinohara; Ethan Sahker; Eirini Karyotaki; Clara Miguel; Marketa Ciharova; Claudi L H Bockting; Josefien J F Breedvelt; Aran Tajika; Hissei Imai; Edoardo G Ostinelli; Masatsugu Sakata; Rie Toyomoto; Sanae Kishimoto; Masami Ito; Yuki Furukawa; Andrea Cipriani; Steven D Hollon; Pim Cuijpers
        World psychiatry : official journal of the World Psychiatric Association (WPA), Oct. 2021, Peer-reviewed
      • Response to Jordan, Nich, Babuscio, Quainoo, and Carroll.
        Ethan Sahker; George Pro; Masatsugu Sakata; Toshi A Furukawa
        Drug and alcohol dependence, 01 Jun. 2021
      • Development and validation of the Cognitive Behavioural Therapy Skills Scale among college students.
        Masatsugu Sakata; Rie Toyomoto; Kazufumi Yoshida; Yan Luo; Yukako Nakagami; Shuntaro Aoki; Tomonari Irie; Yuji Sakano; Hidemichi Suga; Michihisa Sumi; Takashi Muto; Nao Shiraishi; Ethan Sahker; Teruhisa Uwatoko; Toshi A Furukawa
        Evidence-based mental health, May 2021, Peer-reviewed
      • Efficacy of brief intervention for drug misuse in primary care facilities: systematic review and meta-analysis protocol
        Ethan Sahker; Masatsugu Sakata; Rie Toyomoto; Chiyoung Hwang; Kazufumi Yoshida; Yan Luo; Norio Watanabe; Toshi A Furukawa
        BMJ Open, Sep. 2020, Peer-reviewed, Lead author, Corresponding author
      • Substance use improvement depends on Race/Ethnicity: Outpatient treatment disparities observed in a large US national sample.
        Ethan Sahker; George Pro; Masatsugu Sakata; Toshiaki A Furukawa
        Drug and alcohol dependence, 24 May 2020, Peer-reviewed
      • Incarceration as a Reason for US Alcohol and Drug Treatment Non-completion: a Multilevel Analysis of Racial/Ethnic and Sex Disparities
        George Pro; Ethan Sahker; Julie Baldwin
        The Journal of Behavioral Health Services & Research, 29 Apr. 2020, Peer-reviewed
      • The assessment of recovery capital (ARC) predicts substance abuse treatment completion
        Sanchez, J; Sahker, E; Arndt, S
        Addictive Behaviors, Oct. 2019, Peer-reviewed
      • Employment recovery capital in the treatment of substance use disorders: Six-month follow-up observations
        Sahker, E; Ali, S. R; Arndt, S
        Drug and Alcohol Dependence, Sep. 2019, Peer-reviewed
      • Racial/ethnic differences in alcohol and drug use outcomes following screening, brief intervention, and referral to treatment (SBIRT) in federally qualified health centers
        Sahker, E; Jones D; Lancianese, D. A; Pro, G; Arndt, S
        Journal of Racial and Ethnic Health Disparities, Aug. 2019, Peer-reviewed
      • Admitted to treatment without diagnosis: The status of missing substance use disorder diagnoses in the United States
        Sahker, E; Garrison, Y. L; Park, S; Yeung, C. W; Arndt, S
        International Journal of Drug Policy, 2019, Peer-reviewed
      • Screening, brief intervention, and referral to treatment (SBIRT) effectiveness in reducing drinking in a Midwest service sample
        Sahker, E; Lancianese, D. A; Jones D; Arndt, S
        International Journal of Mental Health and Addiction, Nov. 2018, Peer-reviewed
      • Asian American and Pacific Islander substance use treatment completion
        Garrison, Y. L; Sahker, E; Yeung, C. W; Park, S; Arndt, S
        Psychological Services, Sep. 2018, Peer-reviewed
      • Microaggressions and marijuana use among college students
        Pro, G; Marzell, M. T; Sahker, E
        Journal of Ethnicity in Substance Abuse, 2018, Peer-reviewed
      • Use of a machine learning framework to predict substance use disorder treatment success
        Laura Acion; Diana Kelmansky; Mark van der Laan; Ethan Sahker; DeShauna Jones; Stephan Arndt
        PLOS ONE, Apr. 2017, Peer-reviewed
      • Alcohol use screening and intervention by American primary care providers
        Ethan Sahker; Stephan Arndt
        INTERNATIONAL JOURNAL OF DRUG POLICY, Mar. 2017, Peer-reviewed
      • Asian American and Pacific Islander substance use treatment admission trends
        Ethan Sahker; Chi W. Yeung; Yunkyoung L. Garrison; Soeun Park; Stephan Arndt
        DRUG AND ALCOHOL DEPENDENCE, Feb. 2017, Peer-reviewed
      • The social class worldviews of first-generation college students
        Rice, A; Colbow, A; Gibbons, S; Cederberg, C; Sahker, E; Wurster, K; Liu, W. M
        Counselling Psychology Quarterly, 2017, Peer-reviewed
      • A brief report on Hispanic youth marijuana use: Trends in substance abuse treatment admissions in the United States
        Miesha Marzell; Ethan Sahker; George Pro; Stephan Arndt
        JOURNAL OF ETHNICITY IN SUBSTANCE ABUSE, 2017, Peer-reviewed
      • The meaning of Hakbeol within the context of educational meritocracy and prestige among South Korean college students.
        Garrison; Y. L; Liu, W. M; Yeung, C; Park, S; Sahker, E; Conrad, M
        Journal of Asia Pacific Counseling, 2017, Peer-reviewed
      • Stability of the alcohol use disorders identification test in practical service settings.
        Sahker, E; Lancianese; D. A; Arndt, S
        Substance Abuse and Rehabilitation, 2017, Peer-reviewed
      • Does the assessment of recovery capital scale reflect a single or multiple domains?
        Arndt, S; Sahker; E. Acion, L; Lancianese, D. A; Jones, D
        Substance Abuse and Rehabilitation, 2017, Peer-reviewed
      • Trends of Youth Marijuana Treatment Admissions: Increasing Admissions Contrasted with Decreasing Drug Involvement
        Miesha Marzell; Ethan Sahker; Stephan Arndt
        SUBSTANCE USE & MISUSE, 2017, Peer-reviewed
      • Age moderates the association of depressive symptoms and unhealthy alcohol use in the National Guard
        Ethan Sahker; Laura Acion; Stephan Arndt
        ADDICTIVE BEHAVIORS, Dec. 2016, Peer-reviewed
      • Therapy With the Nonreligious: Ethical and Clinical Considerations
        Ethan Sahker
        PROFESSIONAL PSYCHOLOGY-RESEARCH AND PRACTICE, Aug. 2016, Peer-reviewed
      • How Religious Beliefs and Practices Influence the Psychological Health of Catholic Priests
        Anthony Isacco; Ethan Sahker; Elizabeth Krinock; Wonjin Sim; Deanna Hamilton
        AMERICAN JOURNAL OF MENS HEALTH, Jul. 2016, Peer-reviewed
      • Differences in successful treatment completion among pregnant and non-pregnant American women
        Ethan Sahker; Jennifer E. McCabe; Stephan Arndt
        ARCHIVES OF WOMENS MENTAL HEALTH, Feb. 2016, Peer-reviewed
      • Referrals and Treatment Completion for Prescription Opioid Admissions: Five Years of National Data
        Barbara St Marie; Ethan Sahker; Stephan Arndt
        JOURNAL OF SUBSTANCE ABUSE TREATMENT, Dec. 2015, Peer-reviewed
      • Treatment of Substance Use Disorders in Older Adults: Implications for Care Delivery
        Ethan Sahker; Susan K. Schultz; Stephan Arndt
        JOURNAL OF THE AMERICAN GERIATRICS SOCIETY, Nov. 2015, Peer-reviewed
      • Evaluating racial disparity in referral source and successful completion of substance abuse treatment
        Ethan Sahker; Maisha N. Toussaint; Marizen Ramirez; Saba R. Ali; Stephan Arndt
        ADDICTIVE BEHAVIORS, Sep. 2015, Peer-reviewed
      • National Analysis of Differences Among Substance Abuse Treatment Outcomes: College Student and Nonstudent Emerging Adults
        Ethan Sahker; Laura Acion; Stephan Arndt
        JOURNAL OF AMERICAN COLLEGE HEALTH, Feb. 2015, Peer-reviewed
      • A qualitative study of mental health help-seeking among Catholic priests
        Isacco, A; Sahker, E; Hamilton, D; Mannarino, M. B; Sim, W; St. Jean
        Mental Health, Religion, and Culture, 2014, Peer-reviewed
      • Religion and spirituality as important components of men’s health and wellness: An analytic review
        Garfield, C. G; Isacco, A; Sahker, E
        American Journal of Lifestyle Medicine, 2013, Peer-reviewed

      Books and Other Publications

      • An atheist’s simple revelation about love: It’s complicated. In Brewster, M. (Ed.), Atheists in America.
        Ethan Sahker, Contributor
        Colombia University Press, 2014, Not refereed
      list
        Last Updated :2022/05/15

        Education

        Teaching subject(s)

        • From Apr. 2021, To Mar. 2022
          ILAS Seminar-E2 :Psychology of Addiction
          Spring, 全学共通科目
        • From Apr. 2021, To Mar. 2022
          Introduction to Medical Psychology-E2
          Fall, 全学共通科目
        • From Apr. 2021, To Mar. 2022
          Logic I-E2 :Sentential Logic and Deductions
          Spring, 全学共通科目
        • From Apr. 2021, To Mar. 2022
          Logic II-E2 :Quantificational Logic and Deductions
          Fall, 全学共通科目
        • From Apr. 2021, To Mar. 2022
          Systematic Reviews
          Spring, 医学研究科
        list
          Last Updated :2022/05/15

          Academic, Social Contribution

          Committee Memberships

          • From Jan. 2019, To Present
            Thesis/Dissertation Committee, Chatham University
          • From Jan. 2017, To Present
            Listserv Committee, Society of Addiction Psychology, American Psychological Association
          • From May 2017, To Aug. 2017
            Program Committee, American Psychological Association Annual Convention, Society of Addiction Psychology, American Psychological Association
          • From Oct. 2015, To Mar. 2016
            Admissions Committee, Student Member, Counseling Psychology Program, University of Iowa
          • From Jan. 2014, To Aug. 2014
            Convention Program Committee, Society for Counseling Psychology, American Psychological Association Annual Convention,

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