# Partial Breast Irradiation (PBI) Using 40 Gy for Select Patients With Early Invasive or Noninvasive Breast Cancer

> **NCT01203839** · PHASE2 · ACTIVE_NOT_RECRUITING · sponsor: **Memorial Sloan Kettering Cancer Center** · enrollment: 110 (estimated)

## Conditions studied

- Breast Cancer

## Interventions

- **RADIATION:** multiple beams utilizing either intensity-modulated or 3D-conformal techniques

## Key facts

- **NCT ID:** NCT01203839
- **Lead sponsor:** Memorial Sloan Kettering Cancer Center
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2010-09
- **Primary completion:** 2026-09
- **Final completion:** 2026-09
- **Target enrollment:** 110 (ESTIMATED)
- **Last updated:** 2025-10-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01203839

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01203839, "Partial Breast Irradiation (PBI) Using 40 Gy for Select Patients With Early Invasive or Noninvasive Breast Cancer". Retrieved via AI Analytics 2026-09-28 from https://api.ai-analytics.org/clinical/NCT01203839. Licensed CC0.

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