Description:
The purpose of this study is to determine if partial breast irradiation administered in a single preoperative fraction is tolerable.
The purpose of this study is to determine if partial breast irradiation administered in a single preoperative fraction is tolerable.
Unknown status
N/A
| Name | Type | Description | Interventions | 
|---|---|---|---|
| Single Pre-Operative Radiation Therapy | Experimental | 
        Inclusion Criteria:
          -  Female aged 60 years or older.
          -  Invasive ductal carcinoma.
          -  Unifocal disease.
          -  Tumors less than 2cm.
          -  No clinical evidence of nodal disease.
          -  Estrogen receptor status (ER) positive.
          -  Her2 negative.
        Exclusion Criteria:
          -  Age less than 60 years.
          -  BRCA 1 and/or BRCA 2 mutation.
          -  Tumour histology limited to lobular carcinoma only.
          -  Neoadjuvant hormonal manipulation or chemotherapy.
          -  More than one primary tumour in different quadrants of the same breast.
          -  Inability to view tumor on imaging.
      | Maximum Eligible Age: | N/A | 
| Minimum Eligible Age: | 60 Years | 
| Eligible Gender: | Female | 
| Healthy Volunteers: | No | 
| Measure: | Acute toxicity | 
| Time Frame: | 6 months | 
| Safety Issue: | |
| Description: | Assess acute toxicity and wound healing complications from the preoperative radiation treatment as per NCI CTCAE Common Toxicity Scale. | 
| Measure: | Chronic toxicity | 
| Time Frame: | 2 years | 
| Safety Issue: | |
| Description: | Assess late-onset toxicity associated with a single fraction radiation treatement as per RTOG/EORTC Late Radiation Toxicity Scale | 
| Measure: | Cosmetic outcome | 
| Time Frame: | 5 years | 
| Safety Issue: | |
| Description: | Cosmesis will be evaluated as per the EORTC Breast Cancer Cosmetic Rating scale. | 
| Phase: | N/A | 
| Primary Purpose: | Interventional | 
| Overall Status: | Unknown status | 
| Lead Sponsor: | Maisonneuve-Rosemont Hospital | 
April 12, 2019