About this trial
This is a single arm, pilot, prospective study to evaluate the safety of partial breast irradiation in women who undergo breast conserving surgery without sentinel lymph node biopsy (SLNB) or axillary lymph node dissection (ALND). Baseline demographic and clinical information will be collected. All patients will complete the Breast Cancer Treatment Outcome Scale (BCTOS-13) questionnaire and the Functional Assessment of Chronic Illness Therapy-Comprehensive Score for financial Toxicity at baseline and at 2 years. All patients are required to have an axillary ultrasound prior to radiation start if this was not obtained pre-operatively.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Individuals assigned Female at birth, age 40 and older
Breast conserving surgery without SLNB or ALND
All patients should be capable of giving informed consent,
Willingness and ability to comply with scheduled visits, treatment plans, laboratory tests, and other study procedures.
Disqualifiers
Male
Transgender or non-binary individuals.
Mastectomy
Metastatic disease
Trial design
Single group
Treatments tested in this trial
Partial Breast Irradiation (PBI)
RadiationDelivered using 3D or 3D/IMRT or IMRT techniques following breast-conserving surgery.
Treatment groups
Trial outcomes
Primary outcomes
Rate of Axillary Recurrence
Proportion of patients in whom the return of breast cancer in the lymph nodes of the armpit is observed.
Secondary outcomes
Rate of Local Recurrence
Proportion of patients in whom the return of breast cancer to the same area as the original tumor is observed.
Rate of Distant Recurrence
Proportion of patients in whom the return of breast cancer to a different area from the original tumor is observed.
Breast-Cancer Specific Survival
Time from initiation of treatment to death attributed to breast cancer.
Overall Survival
Time from initiation of treatment to death due to any cause.
Sponsors and contacts
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