Status:

RECRUITING

Combined Gamma Knife/Linac Radiosurgery for Large Brain Tumors / Metastases

Lead Sponsor:

Sunnybrook Health Sciences Centre

Conditions:

Brain (Nervous System) Cancers

Brain Metastasases

Eligibility:

All Genders

18+ years

Phase:

PHASE2

Brief Summary

When cancer spreads to the brain, doctors often use a precise type of radiation therapy called stereotactic radiosurgery (SRS) to treat these tumors. This treatment can effectively control brain tumor...

Eligibility Criteria

Inclusion

  • Presence of up to two large intracranial lesions
  • Up to 10 (previously untreated, or progressing after previous treatment) brain metastases at the time of enrollment on the diagnostic MRI (which includes the ILLs) to be treated with SRS/HSRS
  • Age =\> 18 years
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0-2
  • Expected survival \>3 months
  • Patients that are deemed suitable for both GK and Linac based treatment
  • Patients that are able to hold systemic cancer chemotherapy/immunotherapy at least 2 days prior and following an SRS fraction

Exclusion

  • Prior SRS to the ILLs
  • Prior WBRT, or plan for concurrent WBRT with the protocol treatment
  • Presence or history of any leptomeningeal/pachymeningeal disease
  • Metastatic disease within the ventricles of the brain or corpus callosum
  • Small cell, hematopoietic or germ cell primaries
  • Patient with absolutely contraindications for MRI
  • Severe symptoms that preclude MRI or treatment using standard procedures for Linac or GK
  • Pregnant or lactating patient
  • Inability or unwillingness to undergo informed consent or post-treatment follow-up

Key Trial Info

Start Date :

July 14 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

June 1 2030

Estimated Enrollment :

60 Patients enrolled

Trial Details

Trial ID

NCT07162246

Start Date

July 14 2025

End Date

June 1 2030

Last Update

September 9 2025

Active Locations (1)

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1

Sunnybrook Health Sciences Centre

Toronto, Ontario, Canada, M4N3M5