Finding the best radiation dose for early-stage breast cancer before surgery
Official title: Phase I Study to Evaluate the Safety and Feasibility of Preoperative Ablative Breast Radiotherapy (SABER) for Selected Early Stage Breast Cancer
Run by University of Miami · NCT04360330 · Data updated 2026-11-12
This study is testing a shorter and potentially more effective radiation treatment for early-stage breast cancer in women aged 50 and older before they have surgery.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 50 Years and up |
| Sex | Women only |
| Enrollment | 18 (estimated) |
| Sponsor | University of Miami Academic / other |
| Drugs / interventions | radiation |
| Locations | 1 site (Miami, Florida) |
| Status | Recruiting |
| Started | August 5, 2020 |
| Main results expected | May 31, 2027 |
| Study ends | May 31, 2029 |
| Registry record updated | August 3, 2026 |
| Trial ID | NCT04360330 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are women aged 50 and older with histologically confirmed invasive breast cancer that is unifocal and meets specific receptor status criteria.
✕Probably not a fit
Patients with advanced breast cancer, those who are not eligible based on receptor status, or those unable to undergo MRI may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This study aims to determine the most effective dose of stereotactic ablative breast radiotherapy for treating early-stage breast cancer prior to standard partial mastectomy or axillary surgery. It focuses on women aged 50 and older with specific cancer characteristics, including receptor status and clinical staging. Participants will receive radiation therapy in a shorter timeframe, potentially improving treatment efficiency and outcomes. The study will assess the safety and effectiveness of this approach compared to traditional methods.
Why it matters
Potential benefit: If successful, this study could lead to more effective and efficient radiation treatment for early-stage breast cancer, improving patient outcomes.
How similar studies have gone: Other studies have shown promising results with similar approaches to radiation therapy in breast cancer, indicating potential for success in this trial.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: 1. Female, ≥ 50 years of age. 2. Oncotype or MammaPrint diagnosis results are required prior to the start of treatment 3. Histologically confirmed invasive breast cancer. 4. Clinical stage T1N0M0. 5. Receptor status: Estrogen-Receptor (ER)/Progesterone-Receptor (PR) positive and Human Epidermal Growth Factor Receptor 2 (HER2) negative. 6. Unifocal breast cancer. 7. Eastern Cooperative Oncology Group (ECOG) 0, 1. 8. Ability to undergo MRI. 9. Women of child-bearing potential (WOCBP) must agree to use adequate contraception or agree to undergo sexual abstinence prior to study entry and for the duration of study participation. WOCBP must have a negative serum or urine pregnancy test at time of enrollment. Should a woman become pregnant or suspect she is pregnant while she is participating in this study, she should inform her treating physician immediately. 10. Ability to understand the investigational nature, potential risks and benefits of the research study and willingness to sign the written informed consent and HIPAA document(s). Exclusion Criteria: 1. Patients without histologically confirmed invasive breast cancer. 2. Patients without Oncotype or MammaPrint diagnosis results at the start of treatment. 3. Patients with metastatic disease. 4. ECOG 2, 3, 4. 5. Patients that are unable to undergo MRI. 6. Prior history of radiation to the chest. 7. History of collagenous disease (systemic lupus erythematosus, scleroderma, dermatomyositis). 8. Any serious medical or psychiatric illness/condition likely in the judgment of the Investigator(s) to interfere or limit compliance with study requirements/treatment. 9. Diagnosis of another primary malignancy within the last 5 years with the exception of non-melanoma skin cancer. 10. Patients unable to consent, who are pregnant or nursing, or are prisoners.
Where it's running
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University of Miami
Miami, Florida, United States Recruiting
Study contacts
- Principal investigator: Cristiane Takita, MD, MBA — University of Miami
- Study coordinator: Zuzel Rodriguez
- Email: z.rodriguez1@med.miami.edu
- Phone: 305-243-0124
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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This research will test whether a simple blood test that looks for tiny bits of tumor DNA can tell if people treated for breast cancer (including HR+/HER2-, HER2+, and triple-negative) still have leftover cancer or are at risk of recurrence.
-
Switching aromatase inhibitors versus guideline-based side-effect care to help with AI side effects
This test tries switching one aromatase inhibitor to another versus using guideline-based side-effect care to see which helps postmenopausal women with early-stage ER-positive breast cancer stay on their hormone therapy.
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Radiation therapy for early-stage breast cancer using a shorter treatment schedule
This study is testing a shorter radiation treatment schedule for women 50 and older with early-stage breast cancer to see if it is safe and effective while reducing the number of visits needed.
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Using Biolosion with standard therapy to treat triple-negative breast cancer
This study is testing if adding a new oral probiotic called Biolosion to standard treatment can help women with locally advanced triple-negative breast cancer have better outcomes.
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Water-only fasting to improve chemotherapy for early-stage breast cancer
This study is testing if fasting for 24-48 hours can help make chemotherapy work better and be easier to tolerate for people with early-stage breast cancer.
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Precision neoadjuvant therapy for operable breast cancer
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.