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Radiosurgery for Essential Tremor

Waitlist Available
Led By Christopher Loiselle, MD
Research Sponsored by Swedish Medical Center
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be older than 18 years old
Screening 3 weeks
Treatment Varies
Follow Up baseline, 6, 12, 24, and 36 months post treatment
Awards & highlights


This trial will study whether gamma knife radiosurgery can help suppress essential tremors with minimal side effects.

Eligible Conditions
  • Essential Tremor


Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~baseline, 6, 12, 24, and 36 months post treatment
This trial's timeline: 3 weeks for screening, Varies for treatment, and baseline, 6, 12, 24, and 36 months post treatment for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Change in Effectiveness based on Clinical Rating Scale for Tumor (CRST-Part B) questionnaires.
Secondary outcome measures
Safety Based on the Number of Incidences and Severity of Adverse Events Related with Gamma Knife Thalamotomy
Other outcome measures
Quality of Life based on the QUEST (Quality of Life in Essential Tremor) questionnaires

Trial Design

1Treatment groups
Experimental Treatment
Group I: Gamma Knife RadiosurgeryExperimental Treatment1 Intervention
Gamma Knife treatment is conducted in one day and takes approximately 70 to 90 minutes.

Find a Location

Who is running the clinical trial?

Swedish Medical CenterLead Sponsor
54 Previous Clinical Trials
8,311 Total Patients Enrolled
Christopher Loiselle, MDPrincipal InvestigatorSwedish Medical Center Radiosurgery Center

Media Library

Gamma Knife Radiosurgery (Radiosurgery) Clinical Trial Eligibility Overview. Trial Name: NCT02255929 — N/A
Essential Tremor Research Study Groups: Gamma Knife Radiosurgery
Essential Tremor Clinical Trial 2023: Gamma Knife Radiosurgery Highlights & Side Effects. Trial Name: NCT02255929 — N/A
Gamma Knife Radiosurgery (Radiosurgery) 2023 Treatment Timeline for Medical Study. Trial Name: NCT02255929 — N/A
~17 spots leftby Jul 2025