Epilepsy clinical trials in California
21 studies for Epilepsy are looking for participants at sites in California.
Cities in California
- Mountain View8 studies
- Los Angeles7 studies
- Orange4 studies
- San Diego4 studies
- Sacramento3 studies
- San Francisco3 studies
Study Evaluating the Efficacy and Safety of RAP-219 in Adult Participants With Focal Seizures FOCUS-1
- Amicis Research Center, Palmdale
RecruitingPhase 3
Ages 18 to 75 · All sexes · Updated Sep 25, 2026 · NCT07563881A Safety, Tolerability, and Preliminary Efficacy of Low-intensity Focused Ultrasound Neuromodulation in Patients With Drug-resistant Epilepsy
- Stanford University School of Medicine, Palo Alto
RecruitingPhase 1/2
Ages 18 and older · All sexes · Updated Sep 15, 2026 · NCT06388707Diagnosing Epilepsy To EffeCT Change Long-Term Follow-Up
- Stanford, Palo Alto
- Stanford, Palo Alto
RecruitingObservational study
Ages 18 to 75 · All sexes · Updated Sep 15, 2026 · NCT07110454Diagnosing Epilepsy To EffeCT Change
- University of California, Irvine Medical Center, Irvine
- Stanford, Palo Alto
Recruiting
Ages 18 to 75 · All sexes · Updated Sep 15, 2026 · NCT07110337Prospective Natural History Study of POLG Disease
- University of California San Diego, San Diego
RecruitingObservational study
All ages · All sexes · Updated Sep 15, 2026 · NCT07775872A Study to Determine if BHV-7000 is Effective and Safe in Adults With Refractory Focal Onset Epilepsy
- University of California San Diego, La Jolla
- University of California, Los Angeles, Los Angeles
- Stanford Health Care, Palo Alto
RecruitingPhase 2/3
Ages 18 to 75 · All sexes · Updated Aug 24, 2026 · NCT06132893Brain Development Research Program
- University of California, San francisco, San Francisco
RecruitingObservational study
All ages · All sexes · Updated Aug 17, 2026 · NCT00305305A Study to Evaluate XEN1101 as Adjunctive Therapy in Primary Generalized Tonic-Clonic Seizures
- Brain Science Research Institute, Los Angeles
- University of California, Irvine - Health Neurology Services, Orange
RecruitingPhase 3
Ages 12 and older · All sexes · Updated Aug 10, 2026 · NCT05667142Sleep Architecture & Cognition in Focal Epilepsy
- UC Davis, Sacramento
Recruiting
Ages 18 to 40 · All sexes · Updated Aug 7, 2026 · NCT05794295A Clinical Trial of Elsunersen in Pediatric SCN2A-DEE to Assess Efficacy and Safety
- Praxis Research Site, San Diego
RecruitingPhase 3
1 Day – 18 Years · All sexes · Updated Aug 3, 2026 · NCT07019922Understanding Prefrontal and Medial Temporal Neuronal Responses to Algorithmic Cognitive Variables in Epilepsy Patients
- University of California, Los Angeles, Los Angeles
Recruiting
Ages 10 to 64 · All sexes · Updated Jul 6, 2026 · NCT05283811Non-Invasive Low Intensity Focused Ultrasound Stimulation for Drug-Resistant Epilepsy
- University of California, San Francisco, San Francisco
Recruiting
Ages 21 to 65 · All sexes · Updated Jul 2, 2026 · NCT07680842Epilepsy Journey-An Executive Functioning Intervention for Teens With Epilepsy
- Childrens Hospital of Orange County, Orange
Recruiting
Ages 13 to 17 · All sexes · Updated Jun 25, 2026 · NCT06608966Cognitive and Electrophysiological Assessment of Non-Invasive Temporally-Interfering Electric Fields Stimulation (TIEFS)
- University of California Davis Medical Center, Sacramento
RecruitingHealthy volunteers welcome
Ages 18 to 65 · All sexes · Updated Jun 23, 2026 · NCT07663578Study of NRTX-1001 Neural Cell Therapy in Drug-Resistant Unilateral Mesial Temporal Lobe Epilepsy (EPIC (EPIlepsy Cell Therapy))
- University of Southern California Keck Hospital, Los Angeles
- University of California Los Angeles, Los Angeles
- UC Irvine Medical Center, Orange
- and 4 more
RecruitingPhase 3
Ages 18 to 75 · All sexes · Updated Jun 9, 2026 · NCT05135091A Randomized Study of XEN1101 Versus Placebo in Focal-Onset Seizures (X-TOLE3)
- Rancho Research Institute, Downey
- University of California Los Angeles (UCLA), Los Angeles
- University of California Irvine Health, Orange
RecruitingPhase 3
Ages 18 and older · All sexes · Updated May 14, 2026 · NCT05716100Understanding Ketamine's Dissociative Effects (KD Study)
- Stanford University School of Medicine, Palo Alto
RecruitingPhase 1
Ages 18 and older · All sexes · Updated Apr 22, 2026 · NCT04861051Investigating the Neural Mechanisms of Repetitive Brain Stimulation With Invasive and Noninvasive Electrophysiology in Humans
- Stanford University, Stanford
Recruiting
Ages 18 to 65 · All sexes · Updated Mar 12, 2026 · NCT05996900Stopping TSC Onset and Progression 2B: Sirolimus TSC Epilepsy Prevention Study
- University of California at Los Angeles, Los Angeles
- Stanford University, Palo Alto
RecruitingPhase 2
1 Day – 6 Months · All sexes · Updated Jan 22, 2026 · NCT05104983Epilepsy Learning Healthcare System (ELHS)
- Children's Hospital Los Angeles, Los Angeles
- University of Southern California, Los Angeles
RecruitingObservational study
All ages · All sexes · Updated Aug 30, 2024 · NCT06265103Congenital Muscle Disease Study of Patient and Family Reported Medical Information
- Congenital Muscle Disease International Registry (www.cmdir.org), Lakewood
RecruitingObservational study
All ages · All sexes · Updated Aug 9, 2021 · NCT01403402From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.