At a glance
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Phase III Study Comparing Whole Breast Radiotherapy With a Daily Tumor Red Boost
In Brief
A Phase 3 clinical trial evaluating Daily Radiation Therapy and Weekly Radiation Therapy for Breast Cancer. Completed, enrolled 412 participants across 3 sites.
Detailed Summary
All patients (with Stages 0-II breast cancer) will receive an accelerated three week regimen of prone whole breast radiotherapy. The study intends to test the hypothesis that a weekly boost to the tumor bed, delivered on Friday, before the weekend break, is as well tolerated as the daily boost during accelerated prone radiotherapy.
Study Details
Timeline
Interventions
15 daily radiation fractions of 2.7 Gy, Monday to Friday for 3 weeks, to the whole breast with a daily concomitant boost of 0.5 Gy to the tumor bed, for a total daily dose of 3.2 Gy to the tumor bed (2.7Gy+0.5 Gy). The overall dose will be 40.5 Gy to the breast and 48.0 Gy to the tumor bed.
15 weekly radiation fractions of 2.7 Gy Monday to friday for three weeks to the entire breast with a Friday boost of 2.0 Gy to the tumor bed, for a total dose to the tumor bed on each friday of 4.7 Gy (2.7 Gy+ 2.0 Gy). The overall dose will be 40.5 Gy to the breast and 46.5 gy to the tumor bed.