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Investigating the Effectiveness of Stereotactic Body Radiotherapy (SBRT) in Addition to Standard of Care Treatment for Cancer That Has Spread Beyond the Original Site of Disease

NCT03808337 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 145

Last updated 2026-02-27

No results posted yet for this study

Summary

This study is being done to determine if stereotactic body radiotherapy (SBRT) when delivered to all sites of disease in participants with 1-5 metastases will increase the length of time before participants' disease gets worse.

Conditions

Interventions

RADIATION

Stereotactic Body Radiotherapy/SBRT

Radiation to each metastatic site should be delivered to a minimum dose of 30 Gy in 5 fractions (BED of 48 Gy10). The exact dose of radiotherapy will be determined by the treating radiation oncologist. Preferred regimens for lung metastases include 50 Gy in five fractions, 48 Gy in four fractions, or 54 Gy in three fractions, although lower doses may be employed to respect dose limits to critical structures such as the esophagus. Recommended SBRT dosing for other sites includes 27 to 30 Gy in three fractions or 24 Gy in one fraction for bone metastases.

DRUG

Systemic Therapy/Standard of Care

Standard of care systemic therapy, including chemotherapeutics, targeted therapies, immunomodulatory agents, and hormonal therapies will be delivered at the discretion of the treating oncologist. For patients randomized to receive SBRT, systemic therapy can be continued during SBRT at the discretion and concensus of treating physicians (medical oncologist and radiation oncologist). If the treating physicians recommend discontinuing systemic therapy during SBRT, general guidelines for stopping and reinitiating systemic regimen are as follows: Hormonal therapies and immunotherapy can be continued during SBRT. Consideration can be given to holding cytotoxic chemotherapy beginning 3 to 7 days prior to the initiation of SBRT until 3 to 7 days after the completion of SBRT. Similarly, consideration can be given to holding biologic agents during SBRT and for 0 to 3 days before and after.

Sponsors & Collaborators

Principal Investigators

  • Amy Xu, MD, PhD · Memorial Sloan Kettering Cancer Center

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2019-01-16
Primary Completion
2027-01-31
Completion
2027-01-31
FDA Device
Yes

Countries

  • United States

Study Locations

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Entities

Diseases
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03808337 on ClinicalTrials.gov