Phase II Protocol of Proton Therapy for Partial Breast Irradiation in Early Stage Breast Cancer
Public ClinicalTrials.gov record NCT01766297. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this research study is to compare the effects (good and bad) on women and their cancer using proton radiation therapy. This study is being done to see if proton radiation therapy will prove to be beneficial for women with early stage breast cancer. A clinical study is necessary to compare the results (good or bad) of proton radiation therapy.
Study identification
- NCT ID
- NCT01766297
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 132 participants
Conditions and interventions
Eligibility (public fields only)
- Age range
- 50 Years and older
- Sex
- Female
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 31, 2013
- Primary completion
- Dec 31, 2026
- Completion
- Dec 31, 2034
- Last update posted
- Sep 8, 2025
2013 – 2035
United States locations
- U.S. sites
- 9
- U.S. states
- 8
- U.S. cities
- 9
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Mayo Clinic | Scottsdale | Arizona | 85259 | Recruiting |
| California Protons Cancer Therapy Center | San Diego | California | 92121 | Recruiting |
| Northwestern Medicine Chicago Proton Center | Warrenville | Illinois | 60555 | Recruiting |
| Maryland Proton Treatment Center | Baltimore | Maryland | 21201 | Recruiting |
| McLaren Proton Therapy Center | Flint | Michigan | 48532 | Recruiting |
| New York Proton Center | New York | New York | 10035 | Recruiting |
| Oklahoma Proton Center | Oklahoma City | Oklahoma | 73142 | Recruiting |
| Inova Schar Cancer Institute | Fairfax | Virginia | 22031 | Recruiting |
| Hampton University Proton Therapy Institute | Hampton | Virginia | 23666 | Recruiting |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01766297, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Sep 8, 2025 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01766297 live on ClinicalTrials.gov.