# A Phase I Dose Escalation Study of Single Fraction Pre-operative Partial Breast (S-PBI) for Early Stage Breast Cancer

> **NCT04040569** · PHASE1 · ACTIVE_NOT_RECRUITING · sponsor: **University of Texas Southwestern Medical Center** · enrollment: 45 (actual)

## Conditions studied

- Breast Cancer

## Interventions

- **RADIATION:** Radiomics on MRI

## Key facts

- **NCT ID:** NCT04040569
- **Lead sponsor:** University of Texas Southwestern Medical Center
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2019-12-25
- **Primary completion:** 2027-07
- **Final completion:** 2027-07
- **Target enrollment:** 45 (ACTUAL)
- **Last updated:** 2025-09-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04040569

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04040569, "A Phase I Dose Escalation Study of Single Fraction Pre-operative Partial Breast (S-PBI) for Early Stage Breast Cancer". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04040569. Licensed CC0.

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