John Park, MD

Oncologist and breast cancer specialist

Dr. John W. Park is an oncologist who specializes in breast cancer treatment and research. In his laboratory, Park works to develop novel technologies to study and treat cancer. His research includes new forms of immunotherapy such as antibodies, immunoliposomes and vaccines targeted against cancer cells. He also conducts clinical trials to evaluate new technologies and treatments for cancer patients. Park was also a visiting scientist at Genentech, Inc. where he performed research on Her2/Neu, a receptor protein on breast cancer cells, and Herceptin, a new treatment that acts as an antibody to Her2Neu. Park joined the UCSF Medical Center in 1992 as a professor in the Department of Medicine.


Carol Franc Buck Breast Care Center
1600 Divisadero St., Second Floor
San Francisco, CA 94115
Phone: (415) 353-7070
Nurse Advice Line : (415) 353-9752
Surgery Fax: (415) 353-7050
Oncology Fax: (415) 353-7692

Hours: Monday to Friday
8 a.m. – 5 p.m.

Conditions & Treatments

Academic Title


More about John Park


Stanford University 1986


UCLA, Internal Medicine 1989


UCSF, Hematology 1992
UCSF, Medical Oncology 1992

Selected Research and Publications

  1. Gulbahce N, Magbanua MJM, Chin R, Agarwal MR, Luo X, Liu J, Hayden DM, Mao Q, Ciotlos S, Li Z, Chen Y, Chen X, Li Y, Zhang RY, Lee K, Tearle R, Park E, Drmanac S, Rugo HS, Park JW, Drmanac R, Peters BA. Quantitative Whole Genome Sequencing of Circulating Tumor Cells Enables Personalized Combination Therapy of Metastatic Cancer. Cancer Res. 2017 Aug 15; 77(16):4530-4541.
  2. Melisko ME, Goldman ME, Hwang J, De Luca A, Fang S, Esserman LJ, Chien AJ, Park JW, Rugo HS. Vaginal Testosterone Cream vs Estradiol Vaginal Ring for Vaginal Dryness or Decreased Libido in Women Receiving Aromatase Inhibitors for Early-Stage Breast Cancer: A Randomized Clinical Trial. JAMA Oncol. 2017 Mar 01; 3(3):313-319.
  3. Clarke JL, Molinaro AM, Cabrera JR, DeSilva AA, Rabbitt JE, Prey J, Drummond DC, Kim J, Noble C, Fitzgerald JB, Chang SM, Butowski NA, Taylor JW, Park JW, Prados MD. A phase 1 trial of intravenous liposomal irinotecan in patients with recurrent high-grade glioma. Cancer Chemother Pharmacol. 2017 Mar; 79(3):603-610.
  4. Pugia M, Magbanua MJM, Park JW. Automated Microfluidic Filtration and Immunocytochemistry Detection System for Capture and Enumeration of Circulating Tumor Cells and Other Rare Cell Populations in Blood. Methods Mol Biol. 2017; 1634:119-131.
  5. Magbanua MJM, Solanki TI, Ordonez AD, Hsiao F, Park JW. Enumeration of Circulating Tumor Cells and Disseminated Tumor Cells in Blood and Bone Marrow by Immunomagnetic Enrichment and Flow Cytometry (IE/FC). Methods Mol Biol. 2017; 1634:203-210.
  6. Pugia M, Magbanua MJM, Park JW. Enrichment and Detection of Circulating Tumor Cells and Other Rare Cell Populations by Microfluidic Filtration. Adv Exp Med Biol. 2017; 994:119-131.
  7. Lee JS, Magbanua MJM, Park JW. Circulating tumor cells in breast cancer: applications in personalized medicine. Breast Cancer Res Treat. 2016 Dec; 160(3):411-424.
  8. Park JW, Liu MC, Yee D, Yau C, van 't Veer LJ, Symmans WF, Paoloni M, Perlmutter J, Hylton NM, Hogarth M, DeMichele A, Buxton MB, Chien AJ, Wallace AM, Boughey JC, Haddad TC, Chui SY, Kemmer KA, Kaplan HG, Isaacs C, Nanda R, Tripathy D, Albain KS, Edmiston KK, Elias AD, Northfelt DW, Pusztai L, Moulder SL, Lang JE, Viscusi RK, Euhus DM, Haley BB, Khan QJ, Wood WC, Melisko M, Schwab R, Helsten T, Lyandres J, Davis SE, Hirst GL, Sanil A, Esserman LJ, Berry DA. Adaptive Randomization of Neratinib in Early Breast Cancer. N Engl J Med. 2016 Jul 07; 375(1):11-22.
  9. Lee JS, Melisko ME, Magbanua MJ, Kablanian AT, Scott JH, Rugo HS, Park JW. Detection of cerebrospinal fluid tumor cells and its clinical relevance in leptomeningeal metastasis of breast cancer. Breast Cancer Res Treat. 2015 Nov; 154(2):339-49.
  10. Magbanua MJ, Pugia M, Lee JS, Jabon M, Wang V, Gubens M, Marfurt K, Pence J, Sidhu H, Uzgiris A, Rugo HS, Park JW. A Novel Strategy for Detection and Enumeration of Circulating Rare Cell Populations in Metastatic Cancer Patients Using Automated Microfluidic Filtration and Multiplex Immunoassay. PLoS One. 2015; 10(10):e0141166.
  11. Magbanua MJ, Das R, Polavarapu P, Park JW. Approaches to isolation and molecular characterization of disseminated tumor cells. Oncotarget. 2015 Oct 13; 6(31):30715-29.
  12. Magbanua MJ, Wolf DM, Yau C, Davis SE, Crothers J, Au A, Haqq CM, Livasy C, Rugo HS, Esserman L, Park JW, van 't Veer LJ. Serial expression analysis of breast tumors during neoadjuvant chemotherapy reveals changes in cell cycle and immune pathways associated with recurrence and response. Breast Cancer Res. 2015 May 29; 17:73.
  13. Kelley RK, Magbanua MJ, Butler TM, Collisson EA, Hwang J, Sidiropoulos N, Evason K, McWhirter RM, Hameed B, Wayne EM, Yao FY, Venook AP, Park JW. Circulating tumor cells in hepatocellular carcinoma: a pilot study of detection, enumeration, and next-generation sequencing in cases and controls. BMC Cancer. 2015 Mar 31; 15:206.
  14. DeMichele A, Yee D, Berry DA, Albain KS, Benz CC, Boughey J, Buxton M, Chia SK, Chien AJ, Chui SY, Clark A, Edmiston K, Elias AD, Forero-Torres A, Haddad TC, Haley B, Haluska P, Hylton NM, Isaacs C, Kaplan H, Korde L, Leyland-Jones B, Liu MC, Melisko M, Minton SE, Moulder SL, Nanda R, Olopade OI, Paoloni M, Park JW, Parker BA, Perlmutter J, Petricoin EF, Rugo H, Symmans F, Tripathy D, van't Veer LJ, Viscusi RK, Wallace A, Wolf D, Yau C, Esserman LJ. The Neoadjuvant Model Is Still the Future for Drug Development in Breast Cancer. Clin Cancer Res. 2015 Jul 01; 21(13):2911-5.
  15. Magbanua MJ, Carey LA, DeLuca A, Hwang J, Scott JH, Rimawi MF, Mayer EL, Marcom PK, Liu MC, Esteva FJ, Park JW, Rugo HS. Circulating tumor cell analysis in metastatic triple-negative breast cancers. Clin Cancer Res. 2015 Mar 01; 21(5):1098-105.
  16. Lang JE, Scott JH, Wolf DM, Novak P, Punj V, Magbanua MJ, Zhu W, Mineyev N, Haqq CM, Crothers JR, Esserman LJ, Tripathy D, van 't Veer L, Park JW. Expression profiling of circulating tumor cells in metastatic breast cancer. Breast Cancer Res Treat. 2015 Jan; 149(1):121-31.
  17. Magbanua MJ, Park JW. Advances in genomic characterization of circulating tumor cells. Cancer Metastasis Rev. 2014 Sep; 33(2-3):757-69.
  18. Paszek MJ, DuFort CC, Rossier O, Bainer R, Mouw JK, Godula K, Hudak JE, Lakins JN, Wijekoon AC, Cassereau L, Rubashkin MG, Magbanua MJ, Thorn KS, Davidson MW, Rugo HS, Park JW, Hammer DA, Giannone G, Bertozzi CR, Weaver VM. The cancer glycocalyx mechanically primes integrin-mediated growth and survival. Nature. 2014 Jul 17; 511(7509):319-25.
  19. Magbanua MJ, Roy R, Sosa EV, Hauranieh L, Kablanian A, Eisenbud LE, Ryazantsev A, Au A, Scott JH, Melisko M, Park JW. Genome-wide copy number analysis of cerebrospinal fluid tumor cells and their corresponding archival primary tumors. Genom Data. 2014 Dec; 2:60-2.
  20. Chien AJ, Munster PN, Melisko ME, Rugo HS, Park JW, Goga A, Auerback G, Khanafshar E, Ordovas K, Koch KM, Moasser MM. Phase I dose-escalation study of 5-day intermittent oral lapatinib therapy in patients with human epidermal growth factor receptor 2-overexpressing breast cancer. J Clin Oncol. 2014 May 10; 32(14):1472-9.

Publications are derived from MEDLINE/PubMed and provided by UCSF Profiles, a service of the Clinical & Translational Science Institute (CTSI) at UCSF. Researchers can make corrections and additions to their publications by logging on to UCSF Profiles.