N/A Completed N=50 Treatment

Proton Therapy for Early Stage Breast Cancer

Early-Stage Breast Cancer

Source: ClinicalTrials.gov NCT00614172 ↗

Enrolled (actual)

Serious AEs

98.0%

Results posted

Sep 2023

Primary outcomePrimary: Ipsilateral Breast Tumor Recurrence-free Survival — 92 percentage of patients

Summary

The purpose of this study is to determine if partial breast proton therapy is effective treatment for early stage breast cancer following lumpectomy.

Outcome Measures

Outcome	Result	p-value
PRIMARY Ipsilateral Breast Tumor Recurrence-free Survival	92	—
SECONDARY Overall Survival	96	—

Eligibility Criteria

Inclusion Criteria

Invasive ductal, medullary, papillary, colloid or tubular histologies
Stages T1 or T2 (tumors 2mm)

Exclusion Criteria

Invasive lobular histology
Previous chemotherapy for breast cancer
Extensive intraductal component
Collagen vascular disease
Prior malignancy unless disease-free for 5 years
Patients who are pregnant or lactating

View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT00614172). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication. Informational only — not medical advice.