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Department of Radiation Oncology

James Purdy, Ph.D.

James Purdy

Clinical/Research Interests

Dr. Purdy's research is directed toward 3-D treatment planning and conformal radiation therapy (3DCRT), including the development and implementation of intensity-modulated radiation therapy (IMRT) and image-guided radiation therapy (IGRT). He also is interested in the development of standards for the dose and volume specifications used in prescribing, recording and reporting radiation therapy results. Dr. Purdy is particularly interested in radiation oncology informatics, including the development of systems that can be used to receive, share and analyze volumetric multi-modality treatment planning and verification (TPV) digital data, which can be linked with clinical outcome data. He serves as the director of the Image-Guided Therapy Center (ITC), an advanced technology clinical trials quality assurance and support center supported by the National Cancer Institute (NCI).

Title:

Professor
Vice Chair, Radiation Oncology

Specialty:

Radiation Oncology

Address:

UC Davis Cancer Center
4501 X St.
Sacramento, CA 95817

Phone:

(916) 734-8252

Education:

University of Texas, Austin
Austin, Texas
Ph.D. 1971

Education:

Lamar University
Beaumont, Texas
B.S. 1967

Professional Memberships:

American Association of Physicists in Medicine
American Board of Medical Physics
American Board of Radiology
American Cancer Advisory Board
American College of Medical Physics
American College of Radiology
American Institute of Physics
American Society of Therapeutic Radiology and Oncology
Canada Foundation for Innovation
International Commission on Radiation Units and Measurements
NIH Radiation Study Section, Division of Research Grants
Radiation Therapy Oncology Group

Select Recent Publications:

Michalski, J.M., Winter, Kathryn, Purdy, J.A., Wilder, R.B., Perez, C.A., Roach, M., Parliament, M.B., Pollack, A., Markoe, A.M., Harms, W.B., Sandler, H.M., and Cox, J.D.: Preliminary Evaluation of Low-Grade Toxicity with Conformal Radiation Therapy for Prostate Cancer on RTOG 9406 Dose Levels I and II. Int. J. Radiat. Oncol. Biol. Phys. 56(1):192-198, 2003.

Bradley, J.D., Ieumwananonthachai, N., Purdy, J.A., Wasserman, T.H., Lockett, M.A., Graham, M.V. and Perez, C.A.: Gross Tumor Volume, Critical Prognostic Factor in Patients Treated with Three-Dimensional Conformal Radiation Therapy for Non-Small-Cell Lung Carcinoma. Int. J. Radiat. Oncol. Biol. Phys. 52(1):49-57, 2002.

Garcia-Ramirez, J.L., Mutic, S., Dempsey, J.F., Low, D.A., and Purdy, J.A.: Performance Evaluation of an 85-cm-bore x-ray computed tomography scanner designed for radiation oncology and comparison with current diagnostic CT scanners. Int. J. Radiat. Oncol. Biol. Phys. 52(4):1123-1131, 2002.

Low, D.A., Grigsby, P.W., Dempsey, J.F., Mutic, S., Williamson, J.F., Markman, J., Chao, K.S.C., Klein, E.E., and Purdy, J.A.: Applicator-Guided Intensity-Modulated Radiation Therapy. Int. J. Radiat. Oncol. Biol. Phys. 52(5):1400-1406, 2002.

Low, D.A., Dempsey, J.F., Markman, J., Mutic, S., Klein, E.E., Sohn, J.W., and Purdy, J.A.: Toward Automated Quality Assurance for Intensity-Modulated Radiation Therapy. Int. J. Radiat. Oncol. Biol. Phys. 53(2):443-452, 2002.

Michalski, J.M., Winter, K., Purdy, J.A., Wilder, R., Perez, C.A., Roach, M., Parliament, M., Pollack, A, Markoe, A., Harms, W.B., Sandler, H., and Cox, J.D.: Trade-Off to Low-Grade Toxicity with Conformal Radiation Therapy for Prostate Cancer on Radiation Therapy Oncology Group 9406. Seminars in Radiation Oncology 12(1):75-80, 2002.

Purdy, J.A.: Dose-Volume Specification: New Challenges with Intensity-Modulated Radiation Therapy. Seminars in Radiation Oncology 12(3):199-209, 2002.

Purdy, J.A. and Michalski, J.M.: In Response to Drs. Levitt and Khan., Letter to the Editor, Does the Evidence Support the Enthusiasm Over 3D Conformal Radiation Therapy and Dose Escalation in the Treatment of Prostate Cancer? Int. J. Radiat. Oncol. Biol. Phys. 53(4):1085-1086, 2002.

Ryu, J.K., Winter, K., Michalski, J.M., Purdy, J.A., Markoe, A.M., Earle, J.D., Perez, C.A., Roach III, M., Sandler, H.M., Pollack, A., and Cox, J.D.: Interim Report of Toxicity From 3D Conformal Radiation Therapy (3D-CRT) for Prostate Cancer on 3DOG/RTOG 9406, Level III (79.2 GY). Int. J. Radiat. Oncol. Biol. Phys. 54(4):1036-1046, 2002.

Purdy, J.A. and Michalski, J.M.: Does the Evidence Support the Enthusiasm Over 3D Conformal Radiation Therapy and Dose Escalation in the Treatment of Prostate Cancer? Int. J. Radiat. Oncol. Biol. Phys. 51(4):867-870, 2001.