Julie A. Margenthaler, MD, FACS ...

Dr. Julie Margenthaler, M.D.

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Washington University School of Medicine

Studies Breast Cancer
Studies Dense Breasts
10 reported clinical trials
17 drugs studied

Area of expertise

1Breast Cancer
Julie Margenthaler, M.D. has run 9 trials for Breast Cancer. Some of their research focus areas include:
ER positive
HER2 negative
Stage I
2Dense Breasts
Julie Margenthaler, M.D. has run 1 trial for Dense Breasts.

Affiliated Hospitals

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Washington University School Of Medicine

Clinical Trials Julie Margenthaler, M.D. is currently running

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Ultra-Hypofractionated vs. Hypofractionated Radiation

for Breast Cancer

In breast cancer patients with nodal involvement, numerous studies have demonstrated that adjuvant radiation therapy reduces the risk of local recurrence, regional recurrence, and distant metastases, in addition to improving survival. The dose and fractionation for adjuvant breast radiation therapy has evolved over time, as novel schedules have been compared to the current standard of care. Hypofractionated radiation therapy (266 cGy per fraction x 15-16 fractions over 3 weeks) has been shown to result in equivalent oncologic outcomes, as well as equivalent acute and late toxicity, when compared to standard fractionation (200 cGy per fraction x 25 fractions over 5 weeks). Subsequently, hypofractionated breast radiation has become the current standard of care. More recently, ultra-hypofractionated breast radiation (520 cGy per fraction x 5 fractions over 1 week) was shown in a randomized trial to be non-inferior to hypofractionated radiation when treating the breast after lumpectomy. However, the efficacy and toxicity of using ultra-hypofractionated radiation therapy when also treating the regional nodes has not been reported. This is important, as there is greater radiation exposure to several normal tissues, such as the arm/shoulder, brachial plexus, normal lymphatics, heart, and lung, when treating the regional nodes. In this randomized study, the investigators aim to compare the tolerability and efficacy of ultra-hypofractionated breast/chest wall and regional nodal radiation (SWIFT RT) against hypofractionated radiation (RT). The investigators will evaluate acute and late toxicity, oncologic outcomes (including local recurrence, regional recurrence, distant metastasis, and overall survival), cosmesis, and patient-reported quality of life. The investigators will collect blood samples for correlative studies of biomarkers of fibrosis and cardiac toxicity.
Recruiting1 award Phase 29 criteria
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Cryoablation

for Breast Cancer

This is a subject registry study of patients who undergo cryoablation for their breast cancer after being determined not to be surgical candidates. Data collected as part of this registry will be used to assess the safety of percutaneous ultrasound-guided cryoablation in this population as well as provide long-term follow-up of subjects who received cryoablation.
Recruiting1 award N/A8 criteria

More about Julie Margenthaler, M.D.

Clinical Trial Related8 years of experience running clinical trials · Led 10 trials as a Principal Investigator · 4 Active Clinical Trials
Treatments Julie Margenthaler, M.D. has experience with
  • LS301
  • Denosumab
  • Mammaglobin-A DNA Vaccine
  • Anastrozole
  • Fulvestrant
  • Exemestane

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