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Nyun Han, MD, Radiation Oncology, Silver Spring, MD

NyunCalvinHanMD, FACRO FACR

Radiation Oncology Silver Spring, MD

Radiation Oncologist, FDA, Center for Drug Evaluation and Research (CDER), Division of Imaging and Radiation Medicine (DIRM), Department of Health and Human Services

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  • Office

    FDA Building 1, 10903 New Hampshire Ave.
    Silver Spring, MD 20903
    Phone+1 505-919-8821

Summary

  • Dr. Han received his MD degree from the University of Southern California School of Medicine and continued his residency at the Los Angeles County-USC Medical Center. He completed a fellowship at the Massachusetts General Hospital and Harvard Cyclotron Laboratory, followed by postdoctoral training and certification in gamma knife radiosurgery at the Karolinska University Hospital in Stockholm, Sweden, and functional radiosurgery for neurologic and movement disorders at the University of La Timone in Marseille, France. In addition, he served as a commissioned officer in the U.S. Army, attaining the rank of Major, and worked as the Deputy Director for Radiation Oncology Service at the Madigan Army Medical Center. Dr. Han was a National Cancer Institute Scholar at the Laboratory of Medicinal Chemistry at NIH, where his research focused on the study of small molecule antimetabolites. He currently holds the position of Medical Officer in the Office of New Drug, and Division of Imaging and Radiation Medicine (DIRM) at the Food and Drug Administration.

    In his capacity as a medical officer, he is responsible (clinical reviews) for evaluating submissions to FDA involving radiopharmaceuticals, theranostics, optical imaging agents, and medical countermeasures (chemical, biological, radiological, and nuclear) across different stages of development, ranging from proof of concept and first in human trials to pre-IND, IND, NDA, post-marketing, and emergency use authorization. He also provide expert FDA intercenter advice and consult for combined immune checkpoint inhibitors, monoclonal antibodies, small molecules, cytokines, vaccines or car T cell therapy and external beam radiation therapy.

    He has been invited speaker at SNMMI, ASTRO, RTOG, and NCI. He also has publications related to small molecule antimetabolite, radiopharmaceutical, and medical counter measure agents. He has authored chapters on Radiation Oncology book.

Education & Training

  • Université de la Méditerranée, Marseille, France
    Université de la Méditerranée, Marseille, FrancePost Doc Functional Radiosurgery under Prof. Jean Regis, 2014 - 2014
  • Karolinska Institute, Stockholm, Sweden
    Karolinska Institute, Stockholm, SwedenPost Doc Gamma Knife Radiosurgery under Professor Bodo Liipiz, 2005 - 2005
  • Harvard Medical School
    Harvard Medical SchoolFellowship, Harvard Cyclotron Laboratory, Proton Radiation Therapy, 1997 - 1998
  • Massachusetts General Hospital
    Massachusetts General HospitalFellowship, CNS Tumors, 1996 - 1997
  • University of Southern California/Los Angeles General Medical Center (USC/LA General)
    University of Southern California/Los Angeles General Medical Center (USC/LA General)Residency, Radiation Oncology, 1987 - 1991
  • University of Southern California/Los Angeles General Medical Center (USC/LA General)
    University of Southern California/Los Angeles General Medical Center (USC/LA General)Internship, Internal Medicine, 1986 - 1987
  • Keck School of Medicine of the University of Southern California
    Keck School of Medicine of the University of Southern CaliforniaClass of 1986

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 1988 - Present
  • NM State Medical License
    NM State Medical License 2002 - 2026
  • TX State Medical License
    TX State Medical License 2004 - 2026
  • MA State Medical License
    MA State Medical License 1996 - 2025
  • CO State Medical License
    CO State Medical License 2000 - 2003
  • American Board of Radiology Radiation Oncology

Awards, Honors, & Recognition

  • Fellow American College of Radiation Oncology
  • National Cancer Institute Scholar National Institute of Health
  • Johns Hopkins Dean's Scholar Johns Hopkins University

Publications & Presentations

PubMed

Journal Articles

  • Mechanism of Resistance of Variants of the Lewis Lung Carcinoma to N-(Phosphonacetyl)-l-aspartic Acid  
    Nyun Han et al, Cancer Research
  • A straightforward method for the simultaneous preparation of radiolabeled l-dihydroörotic and N-carbamyl-l-aspartic acids  
    Nyun Han et al, Analytical Biochemistry
  • Interaction of l-alanosine (NSC 153, 353) with enzymes metabolizing l-aspartic acid, l-glutamic acid and their amides  
    Nyun Han et al., Biochemistry & Molecular Biology
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Committees

  • Committee Member, RTOG Stereotactic Radiosurgery Committee
  • Committee Member, RTOG Medical Informatic Committee
  • Education and Award Committee, International Society of Radiosurgery
  • Committee Member, ASTRO NRC Committee
  • State Captain, ASTRO

Professional Memberships