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Epilepsy clinical trials in Seattle, WA

3 studies for Epilepsy are looking for participants at sites in and around Seattle (within about 30 miles). Open a study to see who can join and how to contact the study team.

A Study to Evaluate XEN1101 as Adjunctive Therapy in Primary Generalized Tonic-Clonic Seizures

RecruitingPhase 3
  • University of Washington, Regional Epilepsy Center at Harborview Medical Center, Seattle
Ages 12 and older · All sexes · Updated Aug 10, 2026 · NCT05667142

Study of NRTX-1001 Neural Cell Therapy in Drug-Resistant Unilateral Mesial Temporal Lobe Epilepsy (EPIC (EPIlepsy Cell Therapy))

RecruitingPhase 3
  • University of Washington Regional Epilepsy Center, Seattle
Ages 18 to 75 · All sexes · Updated Jun 9, 2026 · NCT05135091

Stopping TSC Onset and Progression 2B: Sirolimus TSC Epilepsy Prevention Study

RecruitingPhase 2
  • Seattle Children's Hospital, Seattle
1 Day – 6 Months · All sexes · Updated Jan 22, 2026 · NCT05104983

About Epilepsy

Epilepsy is a brain disorder that causes people to have seizures. The seizures may be mild or severe. Learn about causes, diagnosis, and treatment.

More about Epilepsy on MedlinePlus

Epilepsy trials in other cities

Other studies in Seattle

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.