# Stereotactic Body Radiation Therapy and FES PET/CT Imaging for the Treatment of Oligoprogressive Estrogen Receptor Positive Metastatic Breast Cancer

> **NCT06260033** · PHASE2 · RECRUITING · sponsor: **City of Hope Medical Center** · enrollment: 18 (estimated)

## Conditions studied

- Anatomic Stage IV Breast Cancer AJCC v8
- Estrogen Receptor-Positive Breast Carcinoma
- Metastatic Breast Carcinoma

## Interventions

- **PROCEDURE:** Biospecimen Collection
- **PROCEDURE:** Bone Scan
- **PROCEDURE:** Computed Tomography
- **DRUG:** F-18 16 Alpha-Fluoroestradiol
- **PROCEDURE:** Positron Emission Tomography
- **OTHER:** Questionnaire Administration
- **RADIATION:** Stereotactic Body Radiation Therapy

## Key facts

- **NCT ID:** NCT06260033
- **Lead sponsor:** City of Hope Medical Center
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2024-07-23
- **Primary completion:** 2026-10-29
- **Final completion:** 2026-10-29
- **Target enrollment:** 18 (ESTIMATED)
- **Last updated:** 2025-10-06

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06260033

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06260033, "Stereotactic Body Radiation Therapy and FES PET/CT Imaging for the Treatment of Oligoprogressive Estrogen Receptor Positive Metastatic Breast Cancer". Retrieved via AI Analytics 2026-06-13 from https://api.ai-analytics.org/clinical/NCT06260033. Licensed CC0.

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