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Exploring the Role of 3T MRI in Gamma Knife Radiosurgery

This study has been completed.
Information provided by (Responsible Party):
University Health Network, Toronto Identifier:
First received: September 19, 2007
Last updated: June 21, 2016
Last verified: June 2016
Gamma Knife radiosurgery is a non-invasive technique for the delivery of a single, high dose of radiation to an intra-cranial target. MRI has an established and central role in the treatment planning process and assessment of response to intracranial radiosurgery. Increasing the field strength of MRI from 1.5T to 3T promises to improve the signal, and in turn the quality of images. However, the technology also introduces new limitations, and the role and safety of 3T MRI in the management of patients receiving radiosurgery has not yet been reported. In this pilot study, we will explore the spatial integrity, and incremental image-guidance utility of 3T MRI in patients receiving radiosurgery. The preliminary data acquired in this study will be instrumental to the judicious design and conduct of subsequent definitive clinical trials. Up to fifty patients will be enrolled in this study.

Brain Metastases

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Cross-Sectional
Official Title: Exploring the Role of 3T MRI in Gamma Knife Radiosurgery: A Pilot Study

Further study details as provided by University Health Network, Toronto:

Enrollment: 45
Study Start Date: August 2006
Study Completion Date: December 2008
Primary Completion Date: December 2008 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Sampling Method:   Probability Sample
Study Population
Patients who have consented to Gamma Knife radiosurgery.

Inclusion Criteria:

  • Patients planned to receive Gamma Knife radiosurgery will be eligible for enrollment on this study.

Exclusion Criteria:

  • Age<18
  • Contra-indications to 3T MRI, such as implanted metal devices or shrapnel.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00602992

Canada, Ontario
Toronto Western Hospital
Toronto, Ontario, Canada, M5T 2S8
Sponsors and Collaborators
University Health Network, Toronto
Principal Investigator: Cynthia Menard, MD University Health Network, Toronto
  More Information

Responsible Party: University Health Network, Toronto Identifier: NCT00602992     History of Changes
Other Study ID Numbers: 06-0427-CE 
Study First Received: September 19, 2007
Last Updated: June 21, 2016
Health Authority: Canada: Health Canada

Keywords provided by University Health Network, Toronto:
Gamma Knife Radiosurgery processed this record on October 21, 2016