# Partial Breast Irradiation (PBI) for Selected Patients With Early Invasive or Non-Invasive Breast Cancer

> **NCT00694577** · NA · COMPLETED · sponsor: **Massachusetts General Hospital** · enrollment: 324 (actual)

## Conditions studied

- Ductal Breast Cancer

## Interventions

- **RADIATION:** Partial Breast Irradiation using 32 Gy / 8 fractions
- **RADIATION:** Partial Breast Irradiation using 36 Gy / 9 fractions
- **RADIATION:** Partial Breast Irradiation using 40 Gy /10 fractions

## Key facts

- **NCT ID:** NCT00694577
- **Lead sponsor:** Massachusetts General Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2003-09
- **Primary completion:** 2021-06
- **Final completion:** 2021-06
- **Target enrollment:** 324 (ACTUAL)
- **Last updated:** 2022-11-14

## Collaborators

- [object Object]
- [object Object]
- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00694577

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00694577, "Partial Breast Irradiation (PBI) for Selected Patients With Early Invasive or Non-Invasive Breast Cancer". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT00694577. Licensed CC0.

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