Introduction of
Medical Staff

  • Professor

    Director of Early-Phase 1 Drug Development Service

    Toshio Shimizu, MD, PhD

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    Professional Experience

    • Professor

      (Nov 2024 – present)

      Department of New Experimental Therapeutics
      Director, Early-Phase 1 Drug Development Service
      Kansai Medical University Hospital

    • Associate Professor

      (Apr 2022 – Oct 2024)

      Department of Medical Oncology
      Wakayama Medical University Graduate School of Medicine
      Wakayama Medical University Hospital, Wakayama Japan

    • Head of Physicians
      (Early Phase 1 Drug Development Service)

      (Apr 2016 – Mar 2022)

      Department of Experimental Therapeutics
      National Cancer Center Hospital, Tokyo Japan

    • Associate Professor

      (Apr 2012 – Mar 2016)

      Department of Medical Oncology
      Kindai University Faculty of Medicine, Osaka Japan

    • Medical Oncology Fellowship
      ‐Division of Drug Development

      (Jun 2002 – May 2005)

      National Cancer Center Hospital, Tokyo, Japan

    • Residency
      (Internal Medicine and Medical Oncology)

      (May 1999 – May 2002)

      Kindai University Hospital, Osaka, Japan

    Educational Background

    • Phase 1 Clinical Fellow

      (Jan 2010 - Mar 2012)

      START (South Texas Accelerated Research Therapeutics),
      San Antonio, TX, USA
      Supervised phase 1 training by Dr. Anthony W. Tolcher, MD. FRCPC

    • Visiting Research Scholar

      (2010–2012)

      The University of Texas at Austin, College of
      Pharmacy, Austin, TX, USA

    • Ph.D.

      (2005)

      Kindai University Graduate School of Medicine, Osaka Japan

    • M.D.

      (1999)

      Kindai University School of Medicine, Osaka Japan
      (Japanese Government Medical License Registration)

  • Assistant Professor

    Tatsuki Ikoma, MD

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    Professional Experience

    • Assistant Professor

      (2023-present)

      Department of New Experimental Therapeutics, Early-Phase 1 Drug Development Service, Kansai Medical University Hospital
      Department of Respiratory Oncology, Kansai Medical University
      Department of Clinical Oncology, Kansai Medical University Hospital

    • Residency

      (2020-2023)

      Department of Medical Oncology, Kobe City Medical Center General Hospital
      Department of Medical Oncology, Osaka Red Cross Hospital

    • Junior Resident

      (2018-2020)

      National Hospital Organization Osaka Minami Medical Center

    Educational Background

    • M.D.

      (2018)

      Nara Medical University, Nara, Japan

  • Clinic Lecturer

    Yuta Yamanaka, M.D., Ph.D.

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    Professional Experience

    • Department of New Experimental Therapeutics, Early-Phase 1 Drug Development Service, Kansai Medical University Hospital

      (Nov 2024 – present)

    • Chief Physician and Director of Medical Education, Department of Respiratory Oncology, Kansai Medical University

      (2022–present)

    • Assistant Professor and Chief of the Inpatient Ward, First Department of Internal Medicine, Kansai Medical University

      (2019-2022)

    • Resident Physician, First Department of Internal Medicine, Kansai Medical University

      (2013–2019)

    • Resident, Kansai Medical University Hospital

      (2011–2013)

    Educational Background

    • Ph.D.

      (2019)

    • M.D.

      (2011)

  • Assistant Professor

    Yoshikazu Hayashi, M.D.

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    Professional Experience

    • Department of New Experimental Therapeutics, Early-Phase 1 Drug Development Service, Kansai Medical University Hospital

      (2025–present)

    • Assistant Professor, Department of Otorhinolaryngology, Kansai Medical University Hospital

      (2024-present)

    • Clinical Staff, Department of Otorhinolaryngology, University of the Ryukyus Hospital

      (2023-2024)

    • Fixed-term Assistant Professor, Department of Otorhinolaryngology, Kansai Medical University Hospital

      (2021-2023)

    • Resident, Kansai Medical University Hospital

      (2019-2021)

    Educational Background

    • M.D

      (2019)

  • Director of Phase 1 Pharmacy

    Masafumi Ui, PharmD

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    Professional Experience

    • Pharmacist, Pharmacy Department, Kansai Medical University Hospital

    Educational Background

    • Faculty of Pharmaceutical Sciences

    • Master’s Course in Clinical Pharmacy

  • Director of Phase 1 Nursing

    Chikako Ozawa, RN

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    Professional Experience

    • Chief Nursing Officer, International Cancer New Drug Development Center,

    • Kansai Medical University Hospital

    Educational Background

    • Kansai Gaidai University College of International Language and Communications

    • School of International Language and Communications

    • Osaka City Nursing School

    • University of Louisville, Louisville, KY, USA

    • Tulane University, New Orleans, LA, USA

    Licenses

    • Certified International Nurse of Japan International Nursing Administrator (NiNA)