Neurology · California
Neurology studies in California
208 studies have at least one recruiting site in California. Neurology research spans migraine, Alzheimer’s disease, Parkinson’s disease, multiple sclerosis, epilepsy, stroke and nerve pain.
208 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingPhase 1/Phase 2
A Multicenter Study to Evaluate Safety, Tolerability, and Clinical Responses of DSP-1083 Into Subjects With Parkinson's Disease
Sumitomo Pharma America, Inc.
- Location
- La Jolla, CA + 2 other US sites
- Eligibility basics
- Ages 40–72
- RecruitingPhase 2
Safety in Adult Participants With Atrial Fibrillation Who Are Treated With Anticoagulation
Regeneron Pharmaceuticals
- Location
- Covina, CA + 41 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Study of Orelabrutinib in Patients With Secondary Progressive Multiple Sclerosis
Zenas BioPharma (USA), LLC
- Location
- Fullerton, CA + 24 other US sites
- Eligibility basics
- Ages 18–60
- RecruitingPhase 3
Study Evaluating the Efficacy and Safety of RAP-219 in Adult Participants With Focal Seizures FOCUS-1
Rapport Therapeutics Inc.
- Location
- Palmdale, CA + 13 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 2
A Clinical Study of MK-2214 in People With Early Alzheimer's Disease (MK-2214-004)
Merck Sharp & Dohme LLC
- Location
- Irvine, CA + 34 other US sites
- Eligibility basics
- Ages 50–85
- RecruitingPhase 3
A Study of Orelabrutinib in Patients With Primary Progressive Multiple Sclerosis
Zenas BioPharma (USA), LLC
- Location
- West Hollywood, CA + 18 other US sites
- Eligibility basics
- Ages 18–60
- RecruitingPhase 2
Strategy for Improving Stroke Treatment Response
Translational Sciences, Inc.
- Location
- La Jolla, CA + 37 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2/Phase 3
ACP-204 in Adults With Alzheimer's Disease Psychosis
ACADIA Pharmaceuticals Inc.
- Location
- Costa Mesa, CA + 34 other US sites
- Eligibility basics
- Ages 55–95
- RecruitingPhase 3
A Study to Test the Efficacy and Safety of Riliprubart Against the Usual Treatment of Intravenous Immunoglobulin (IVIg) in People With Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)
Sanofi
- Location
- Los Angeles, CA + 31 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Screening Study to Determine Individuals With Potential Trial Eligibility for Alzheimer's Disease Studies
Hoffmann-La Roche
- Location
- Imperial, CA + 67 other US sites
- Eligibility basics
- Ages 50–90
- RecruitingPhase 1
Study of KITE-363 in Participants With Autoimmune Neurologic Diseases That Did Not Respond to Usual Treatment
Kite, A Gilead Company
- Location
- Newport Beach, CA + 4 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 4
A Study of Zunveyl on Safety, Tolerability, Neuropsychiatric Symptoms, and Caregiver Distress in Alzheimer's Disease (RESOLVE)
Alpha Cognition, Inc
- Location
- Irvine, CA + 21 other US sites
- Eligibility basics
- Ages 50+
- RecruitingPhase 3
Open-Label Extension Study to Assess the Long-Term Safety and Tolerability of KarXT in Subjects With Psychosis Associated With Alzheimer's Disease (ADEPT-3)
Karuna Therapeutics, Inc., a Bristol Myers Squibb company
- Location
- Anaheim, CA + 56 other US sites
- Eligibility basics
- Ages 55–90
- RecruitingPhase 3
A Study to Assess Efficacy and Safety of Empasiprubart Versus IVIg in Adults With CIDP
argenx
- Location
- Rancho Mirage, CA + 15 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Study to Assess the Efficacy and Safety of Empasiprubart in Adults With CIDP
argenx
- Location
- Rancho Mirage, CA + 12 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 1
Obe-cel in Refractory Progressive Forms of Multiple Sclerosis
Autolus Limited
- Location
- Palo Alto, CA
- Eligibility basics
- Ages 18–60
- RecruitingPhase 3
Pridopidine Phase 3 Study in Huntington's Disease
Prilenia
- Location
- La Jolla, CA + 8 other US sites
- Eligibility basics
- Ages 23–65
- RecruitingPhase 3
A Long-Term Safety Study of Elismetrep (K-304) in the Acute Treatment of Migraine
Kallyope Inc.
- Location
- Colton, CA + 111 other US sites
- Eligibility basics
- Ages 18+
- Recruiting
Brain-Computer Interface Communication Device for People With ALS
Cognixion
- Location
- Santa Barbara, CA
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Evaluation of Efficacy and Safety of Suzetrigine for Pain Associated With Diabetic Peripheral Neuropathy
Vertex Pharmaceuticals Incorporated
- Location
- Fresno, CA + 57 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingPhase 3
A Phase 3 Study to Evaluate the Safety and Efficacy of KarXT + KarX-EC for the Treatment of Agitation Associated With Alzheimer's Disease (ADAGIO-1)
Bristol-Myers Squibb
- Location
- Anaheim, CA + 21 other US sites
- Eligibility basics
- Ages 55–90
- RecruitingPhase 3
Efficacy and Safety Study of Rimegepant for the Preventative Treatment of Migraine in Pediatric Subjects
Pfizer
- Location
- Hawthorne, CA + 28 other US sites
- Eligibility basics
- Ages 6–17
- RecruitingPhase 3
Stroke and Systemic Embolism Prevention in Adult Participants With Atrial Fibrillation for Whom Oral Anticoagulation is Unsuitable
Regeneron Pharmaceuticals
- Location
- Fremont, CA + 42 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 4
A Study to Learn About the Safety of Taking an Additional Dose of the Medicine Rimegepant in Adults With Migraine
Pfizer
- Location
- Canoga Park, CA + 16 other US sites
- Eligibility basics
- Ages 18+
Who these studies look for
Most require a confirmed diagnosis; memory studies often ask for a study partner who knows you well to attend some visits.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.
Questions
Why do memory studies need a study partner?
A partner can report day-to-day changes the participant may not notice. Each study explains what the partner is asked to do.