Stereotactic Body Radiotherapy for Breast Cancer with Bone Metastases

Stereotactic Body Radiotherapy for Bone Only Oligometastatic Breast Cancer: A Prospective Study

Not applicable Interventional King Hussein Cancer Center · NCT04424732

This study is testing if a special type of radiation therapy can help women with breast cancer that has spread to a few bones feel better and respond well to treatment.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment50 (estimated)
Ages18 Years and up
SexFemale
SponsorKing Hussein Cancer Center Academic / other
Locations1 site (Amman)
Trial IDNCT04424732 on ClinicalTrials.gov

What this trial studies

This study focuses on women over 18 years old who have been diagnosed with breast cancer that has spread to 1-3 bone metastases. Participants will receive stereotactic body radiotherapy (SBRT) along with standard systemic treatments as per clinical guidelines. The effectiveness of the treatment will be monitored through regular clinical and radiologic assessments, utilizing imaging methods that initially detected the metastases. The study aims to evaluate treatment outcomes and tumor response using established criteria.

Who should consider this trial

Good fit: Ideal candidates are women over 18 with pathologically confirmed breast cancer and 1-3 bone metastases.

Not a fit: Patients with non-bone metastatic breast cancer or those with contraindications to radiotherapy will not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could improve treatment outcomes for women with oligometastatic breast cancer.

How similar studies have performed: Previous studies have shown promising results with stereotactic body radiotherapy in similar patient populations, indicating potential for success.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Women \>18 years old with a pathologically proven breast cancer who present with 1-3 bone metastases will be included.
* Metastases need to be confirmed pathologically if possible, otherwise two different imaging modalities (CTor MRI and bone scan or PET) are needed to confirm metastases.
* Patients should be able to receive the recommended local and systemic treatment and the primary tumor must be controlled at time of SBRT.
* Maximum diameter of individual metastasis metastasis in any dimension ≤ 5 cm; and must be \>5 cm away from each other (defined as Edge to Edge of tumor).

Exclusion Criteria:

* Non bone metastatic breast cancers
* Prior history of radiotherapy to same sites of SBRT
* Pathologic fractures of involved bones
* Contraindications to radiotherapy including pregnancy and connective tissue disease.
* Patients with impaired cognitive functions.

Where this trial is running

Amman

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Breast Neoplasm Malignant FemaleStereotactic Body Radiotherapy
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.