Julie A Margenthaler MD

General Surgery•Saint Louis, MO

Breast, Surgical Oncology (Other than Breast)

Associate Professor, Surgery, Washington University School of Medicine

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4500 Forest Park AveDiv Surg Oncology 8TH FLSaint Louis, MO 63108
Phone+1 314-362-2280
Fax+1 888-352-8360

Education & Training

Washington University/B-JH/SLCH ConsortiumResidency, Surgery, 1997 - 2005
Southern Illinois University School of MedicineClass of 1997

Certifications & Licensure

MO State Medical License 1998 - 2026
FL State Medical License 2019 - 2021
OK State Medical License 2020 - 2020
American Board of Surgery Surgery

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification Allscripts Enterprise EHR, Allscripts, 2012
Fellow (FACS) American College of Surgeons

Clinical Trials

Effect of Neoadjuvant or Adjuvant Systemic Therapy on Breast Cancers, Bone Marrow Cancer Cells, and Circulating Cancer Cells Start of enrollment: 2005 Sep 14
RECRUITING
Testing of Different Methods for Determining Whether Breast Cancer Has Spread to the Lymph Nodes Start of enrollment: 2006 Aug 01
Completed
Early Phase 1
Intensity Modulated Radiotherapy for Breast Cancer Start of enrollment: 2008 Jan 04
Completed
Phase 1
Early Surgery or Standard Palliative Therapy in Treating Patients With Stage IV Breast Cancer Start of enrollment: 2011 May 16
Completed
Not Applicable
Breast-Conserving Surgery and Radiation Therapy in Patients With Multiple Ipsilateral Breast Cancer Start of enrollment: 2012 Jul 01
Completed
Phase 2
PD 0332991 and Anastrozole for Stage 2 or 3 Estrogen Receptor Positive and HER2 Negative Breast Cancer Start of enrollment: 2013 Apr 10
ACTIVE_NOT_RECRUITING
PHASE2
LDE225 in Treating Patients With Stage II-III Estrogen Receptor- and HER2-Negative Breast Cancer Start of enrollment: 2014 Apr 01
Withdrawn
Phase 2
Effect of Trastuzumab on Disease Free Survival in Early Stage HER2-Negative Breast Cancer Patients With ERBB2 Expressing Disseminated Tumor Cells Start of enrollment: 2013 Dec 19
Terminated
Phase 2
Axillary Ultrasound With or Without Sentinel Lymph Node Biopsy in Detecting the Spread of Breast Cancer in Patients Receiving Breast Conservation Therapy Start of enrollment: 2013 Apr 04
Terminated
Not Applicable
Paclitaxel and BKM120 Before Surgery in Treating Patients With Stage II or III Estrogen Receptor-Positive and HER2-Negative Breast Cancer Start of enrollment: 2014 Aug 01
Withdrawn
Phase 2
Study to Assess Perfusion and Patient Satisfaction in Nipple-Areola Mastectomy With Immediate Reconstruction Start of enrollment: 2013 Mar 28
Completed
Not Applicable
Single Fraction High-Gradient Partial Breast Irradiation in Treating Patients With Low-Risk Stage 0-I Breast Cancer Start of enrollment: 2014 Apr 02
COMPLETED
NA
Neoadjuvant Treatment of Triple Negative Breast Cancer Patients With Docetaxel and Carboplatin to Assess Anti-tumor Activity Start of enrollment: 2014 Jul 07
Terminated
Phase 2
Safety and Immune Response to a Mammaglobin-A DNA Vaccine In Breast Cancer Patients Undergoing Neoadjuvant Endocrine Therapy Start of enrollment: 2015 Jan 07
ACTIVE_NOT_RECRUITING
PHASE1
Shave Margins in Breast Conservation Therapy Start of enrollment: 2016 Jun 13
Terminated
Phase 2
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Publications & Presentations

PubMed

Great Debate: Does Breast-Conserving Surgery with Radiotherapy Offer Better Survival than Mastectomy in Early-Stage Breast Cancer?
Sasha R Douglas, Julie A Margenthaler, Kandace P McGuire, E Shelley Hwang
Annals of Surgical Oncology. 2025-07-01
Long-Term Outcomes of Multimodality Accelerated Partial Breast Irradiation for Ductal Carcinoma In Situ.
Silpa Raju-Salicki, Hayley B Stowe, Alden D'Souza, Yi Huang, Mustafaa Mahmood
Advances in Radiation Oncology. 2025-07-01
Accuracy and Reproducibility of ChatGPT Responses to Breast Cancer Tumor Board Patients.
Ning Liao, Cheukfai Li, William J Gradishar, V Suzanne Klimberg, Joshua A Roshal
JCO Clinical Cancer Informatics. 2025-06-01

Journal Articles

Robotic Mastectomy—Program Malfunction?
Julie Margenthaler, MD, JAMA Surgery

Press Mentions

PreludeDx™ Announces Publication of Residual Risk After Radiation Therapy Data in the International Journal of Radiation Oncology•Biology•PhysicsSeptember 20th, 2022
Cancer Patient Rolls on Through PandemicFebruary 26th, 2021
Society Issues First Risk-Based Mammogram GuidelinesJune 20th, 2019
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