Status:

UNKNOWN

RCT of the 4mm vs. the 8mm Collimator for GKR of Brain Micrometastases

Lead Sponsor:

University College, London

Collaborating Sponsors:

University College London Hospitals

Conditions:

Brain Micrometastases

Eligibility:

All Genders

18+ years

Phase:

NA

Brief Summary

Gamma Knife Radiosurgery (GKR) is a well-established treatment modality for brain metastasis (Chiou 2013; Salvetti, Nagaraja et al. 2013). Large multicentre series have been published on patients with...

Eligibility Criteria

Inclusion

  • Adult patients with brain metastasis from any primary tumour receiving GKR.
  • All intracranial micro-metastases including lesions located in the cerebral hemispheres, thalamus, basal ganglia and cerebellum and excluding lesions located in the brain stem below the level of the superior colliculi.
  • Target volume \< 0.14 cc3 and maximum diameter \< 7 mm.
  • The subject consents to participate in the study.

Exclusion

  • Inability to consent
  • Younger than 18 years of age.
  • Lesions in the brainstem (below the level of the superior colliculi) are better treated with the 4 mm collimator and they will be excluded from the study.
  • Patients with more than 25 brain lesions suitable for randomisation will be excluded from the study.
  • Co-morbidity or previous treatment such as surgery, chemotherapy or WBRT is not to be considered as exclusion criteria.
  • Pregnancy in the context of brain metastases is not a contraindication for GKR, and therefore it will not be considered as exclusion criteria for this trial.

Key Trial Info

Start Date :

September 1 2014

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

April 1 2021

Estimated Enrollment :

298 Patients enrolled

Trial Details

Trial ID

NCT02220127

Start Date

September 1 2014

End Date

April 1 2021

Last Update

March 20 2015

Active Locations (3)

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Page 1 of 1 (3 locations)

1

Gamma Knife Centre at BUPA Cromwell Hospital

London, United Kingdom, SW5 0TU

2

The Gamma Knife Centre at Queen Square

London, United Kingdom, WC1N 3BG

3

BMI Thornbury Hospital

Sheffield, United Kingdom, S10 3BR