Status:
UNKNOWN
Gamma Knife Radiosurgery for Treatment of Essential Tremor
Lead Sponsor:
Swedish Medical Center
Conditions:
Essential Tremor
Eligibility:
All Genders
18+ years
Phase:
NA
Brief Summary
The purpose of this study is to examine effects (good and bad) of gamma knife radiosurgery for essential tremor. The gamma knife places a small lesion in the brain to suppress tremors.
Detailed Description
This research is being done because although multiple studies evaluating gamma knife for essential tremor show good results, few studies evaluating patients prospectively have been done. Prior studies...
Eligibility Criteria
Inclusion
- Men and women age 18 years or older
- Diagnosis of essential tremor as confirmed from clinical history and examination by a neurologist or neurosurgeon
- Tremor following prior first line therapy with either propranolol or primidone
- Must be able to undergo MRI of brain and CT of head for treatment planning
- Postural or intention tremor severity score of greater than or equal to 2 in one hand/arm as measured by the CRST rating scale
Exclusion
- Prior ipsilateral stereotactic radiosurgical ablation of the thalamus, ipsilateral deep brain stimulation, radiofrequency ablation of a ipsilateral thalamic target, or ultrasound ablation of an ipsilateral thalamic target
- Prior whole brain radiation therapy
- Pregnancy
Key Trial Info
Start Date :
September 1 2014
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
December 1 2023
Estimated Enrollment :
183 Patients enrolled
Trial Details
Trial ID
NCT02255929
Start Date
September 1 2014
End Date
December 1 2023
Last Update
January 23 2023
Active Locations (1)
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1
Swedish Medical Center Radiosurgery Center
Seattle, Washington, United States, 98122