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Faculty Profiles

Jo Chien, MD
M_MED-HMON-CORE-ONCO-GEN
Associate Professor

1600 Divisadero
San Francisco, CA 94115
415-353-7070

Dr. A. Jo Chien specializes in breast cancer, with special expertise in tumors that are called HER2+ (human epidermal growth factor receptor 2), typically a more aggressive type of cancer. Her primary research interests include HER2+, breast cancer in young women, and fertility problems related to cancer treatment.


Chien graduated from Harvard Medical School in 2003 and completed a residency in internal medicine at Massachusetts General Hospital in Boston. She was a fellow in the hematology and oncology at UCSF from 2006 to 2009. Chien received the Massachusetts Medical Society and Alliance Charitable Foundation International Health Grant in 2003, American Society of Clinical Oncology (ASCO) Young Investigator Award in 2008; ASCO Foundation Merit Award in 2008; and American Cancer Society Postdoctoral Fellowship in 2008. She has published numerous articles in medical journals related to her breast cancer research. Chien is a member of the American Society of Clinical Oncology and the American Association of Cancer Research. She is an assistant professor of medicine at UCSF.

Education and Training

Location Degree or Training Specialty Date
Harvard University M.D. School of Medicine 2003

Related Web Sites

In the News

Recent Articles (25)

Chien AJ, Chambers J, Mcauley F, Kaplan T, Letourneau J, Hwang J, Kim MO, Melisko ME, Rugo HS, Esserman LJ, Rosen MP. Erratum to: Fertility preservation with ovarian stimulation and time to treatment in women with stage II-III breast cancer receiving neoadjuvant therapy. Breast Cancer Res Treat. 2017 Aug; 165(1):161.

Chien AJ, Chambers J, Mcauley F, Kaplan T, Letourneau J, Hwang J, Kim MO, Melisko ME, Rugo HS, Esserman LJ, Rosen MP. Fertility preservation with ovarian stimulation and time to treatment in women with stage II-III breast cancer receiving neoadjuvant therapy. Breast Cancer Res Treat. 2017 Aug; 165(1):151-159.

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.

Jones EF, Ray KM, Li W, Seo Y, Franc BL, Chien AJ, Esserman LJ, Pampaloni MH, Joe BN, Hylton NM. Dedicated Breast Positron Emission Tomography for the Evaluation of Early Response to Neoadjuvant Chemotherapy in Breast Cancer. Clin Breast Cancer. 2017 Jun; 17(3):e155-e159.

Rugo HS, Olopade OI, DeMichele A, Yau C, van 't Veer LJ, Buxton MB, Hogarth M, Hylton NM, Paoloni M, Perlmutter J, Symmans WF, Yee D, Chien AJ, Wallace AM, Kaplan HG, Boughey JC, Haddad TC, Albain KS, Liu MC, Isaacs C, Khan QJ, Lang JE, Viscusi RK, Pusztai L, Moulder SL, Chui SY, Kemmer KA, Elias AD, Edmiston KK, Euhus DM, Haley BB, Nanda R, Northfelt DW, Tripathy D, Wood WC, Ewing C, Schwab R, Lyandres J, Davis SE, Hirst GL, Sanil A, Berry DA, Esserman LJ. Adaptive Randomization of Veliparib-Carboplatin Treatment in Breast Cancer. N Engl J Med. 2016 Jul 07; 375(1):23-34.

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.

Chien AJ, Cockerill A, Fancourt C, Schmidt E, Moasser MM, Rugo HS, Melisko ME, Ko AH, Kelley RK, Korn WM, Esserman LJ, van't Veer L, Yau C, Wolf DM, Munster PN. A phase 1b study of the Akt-inhibitor MK-2206 in combination with weekly paclitaxel and trastuzumab in patients with advanced HER2-amplified solid tumor malignancies. Breast Cancer Res Treat. 2016 Feb; 155(3):521-30.

Rugo HS, Chien AJ. HER2-positive breast cancer: is more treatment better? Lancet Oncol. 2016 Mar; 17(3):268-70.

Chien AJ, Duralde E, Hwang R, Tsung K, Kao CN, Rugo HS, Melisko ME, Esserman LJ, Munster PN, Cedars M, Kerlikowske K, McCulloch CE, Rosen MP. Association of tamoxifen use and ovarian function in patients with invasive or pre-invasive breast cancer. Breast Cancer Res Treat. 2015 Aug; 153(1):173-81.

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.

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.

Boutrus RR, Abi Raad RF, Kuter I, Ancukiewicz M, Roberts L, Solomon N, Ngo T, Borick H, Ryan P, Moy B, Gadd M, Chien J, Younger J, Smith B, Taghian AG, Harris L. Circulating tumor cells as predictors of response and failure in breast cancer patients treated with preoperative chemotherapy. Int J Biol Markers. 2013 Apr 23; 28(1):17-23.

DeMichele A, Berry DA, Zujewski J, Hunsberger S, Rubinstein L, Tomaszewski JE, Kelloff G, Perlmutter J, Buxton M, Lyandres J, Albain KS, Benz C, Chien AJ, Haluska P, Leyland-Jones B, Liu MC, Munster P, Olopade O, Park JW, Parker BA, Pusztai L, Tripathy D, Rugo H, Yee D, Esserman L. Developing safety criteria for introducing new agents into neoadjuvant trials. Clin Cancer Res. 2013 Jun 01; 19(11):2817-23.

Yee D, Haddad T, Albain K, Barker A, Benz C, Boughey J, Buxton M, Chien AJ, DeMichele A, Dilts D, Elias A, Haluska P, Hogarth M, Hu A, Hytlon N, Kaplan HG, Kelloff GG, Khan Q, Lang J, Leyland-Jones B, Liu M, Nanda R, Northfelt D, Olopade OI, Park J, Parker B, Parkinson D, Pearson-White S, Perlmutter J, Pusztai L, Symmans F, Rugo H, Tripathy D, Wallace A, Wholley D, Van't Veer L, Berry DA, Esserman L. Adaptive trials in the neoadjuvant setting: a model to safely tailor care while accelerating drug development. J Clin Oncol. 2012 Dec 20; 30(36):4584-6; author reply 4588-9.

Chien AJ, Rugo HS. Emerging treatment options for the management of brain metastases in patients with HER2-positive metastatic breast cancer. Breast Cancer Res Treat. 2013 Jan; 137(1):1-12.

Bock M, Moore D, Hwang J, Shumay D, Lawson L, Hamolsky D, Esserman L, Rugo H, Chien AJ, Park J, Munster P, Melisko M. The impact of an electronic health questionnaire on symptom management and behavior reporting for breast cancer survivors. Breast Cancer Res Treat. 2012 Aug; 134(3):1327-35.

Rugo HS, Chien AJ, Franco SX, Stopeck AT, Glencer A, Lahiri S, Arbushites MC, Scott J, Park JW, Hudis C, Nulsen B, Dickler MN. A phase II study of lapatinib and bevacizumab as treatment for HER2-overexpressing metastatic breast cancer. Breast Cancer Res Treat. 2012 Jul; 134(1):13-20.

Letourneau JM, Ebbel EE, Katz PP, Katz A, Ai WZ, Chien AJ, Melisko ME, Cedars MI, Rosen MP. Pretreatment fertility counseling and fertility preservation improve quality of life in reproductive age women with cancer. Cancer. 2012 Mar 15; 118(6):1710-7.

Letourneau JM, Ebbel EE, Katz PP, Oktay KH, McCulloch CE, Ai WZ, Chien AJ, Melisko ME, Cedars MI, Rosen MP. Acute ovarian failure underestimates age-specific reproductive impairment for young women undergoing chemotherapy for cancer. Cancer. 2012 Apr 01; 118(7):1933-9.

Chien AJ, Rugo HS. The cardiac safety of trastuzumab in the treatment of breast cancer. Expert Opin Drug Saf. 2010 Mar; 9(2):335-46.

Chien AJ, Illi JA, Ko AH, Korn WM, Fong L, Chen LM, Kashani-Sabet M, Ryan CJ, Rosenberg JE, Dubey S, Small EJ, Jahan TM, Hylton NM, Yeh BM, Huang Y, Koch KM, Moasser MM. A phase I study of a 2-day lapatinib chemosensitization pulse preceding nanoparticle albumin-bound Paclitaxel for advanced solid malignancies. Clin Cancer Res. 2009 Sep 01; 15(17):5569-75.

Jo Chien A, Rugo HS. Lapatinib: new directions in HER2 directed therapy for early stage breast cancer. Cancer Treat Res. 2009; 151:197-215.

Chien AJ, Moasser MM. Cellular mechanisms of resistance to anthracyclines and taxanes in cancer: intrinsic and acquired. Semin Oncol. 2008 Apr; 35(2 Suppl 2):S1-S14; quiz S39.

Chien AJ, Goss PE. Aromatase inhibitors and bone health in women with breast cancer. J Clin Oncol. 2006 Nov 20; 24(33):5305-12.

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