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Joyce O'Shaughnessy, M.D.

Joyce O'Shaughnessy, M.D.

Provider Type: Physician

  • Hematology
  • Medical Oncology
Board Certifications:
  • Medical Oncology
  • Internal Medicine

General Summary

Joyce A. O’Shaughnessy, M.D. focuses on breast cancer prevention and treatment. She is Co-Chair of Breast Cancer Research and Chair of Breast Cancer Prevention Research at Baylor-Sammons Cancer Center and for The US Oncology Network and is a member of the Scientific Advisory Board for US Oncology Research Network.


Dr. O’Shaughnessy received her M.D. from Yale University Medical School. Her internship and residency in internal medicine were completed at Massachusetts General Hospital in 1985. She concluded a fellowship in medical oncology at the National Cancer Institute in 1987 and was a Senior Investigator there until 1995.


Show all Publications
  • Phase III Trial Comparing Doxorubicin Plus Cyclophosphamide With Docetaxel Plus Cyclophosphamide As Adjuvant Therapy for Operable Breast Cancer. 

    Journal of Clinical Oncology, 2006

  • Capecitabine/taxane combination therapy: evolving clinical utility in breast cancer.

    Clinical Breast Cancer, 2006

  • Phase II trial of capecitabine and weekly paclitaxel as first-line therapy for metastatic breast cancer.

    Journal of Clinical Oncology, 2006

  • Results of a Phase III trial doxoroubicin/cyclophosphamide (AC) compared to docetaxel/cyclophosphamide (TC) as adjuvant therapy for operable breast cancer.

    Journal of Clinical Oncology, 2006

  • A randomized, multicenter phase III trial comparing regimens of doxorubicin + cyclophosphamide followed by paclitaxel or doxorubicin + paclitaxel followed by weekly paclitaxel as adjuvant therapy for patients with high risk breast cancer.

    Breast Cancer Research and Treatment, 2004

Accolades & Memberships

Member, American Association for Cancer Research; American Society of Clinical Oncology; American Medical Women’s Association; American Medical Association; American College of Physicians; and Women in Cancer Research. Associate Editor, Clinical Breast Cancer Journal; founder, The School of Breast Oncology. In 2009 D Magazine elected Dr. O’Shaughnessy as one of the best hematology oncologists in Dallas, Texas.