Clinical trials Below are current clinical trials.112 studies in Neurology (open studies only). Filter this list of studies by location, status and more. Blood-Brain Barrier Disruption (BBBD) for Liquid Biopsy in Subjects With GlioBlastoma Brain Tumors Rochester, Minn. The purpose of this study is to evaluate the safety and effectiveness of using Exablate Model 4000 Type-2.0/2.1 in adults with Glioblastoma brain tumors to increase temporarily the permeability of the blood brain barrier, allowing increased passage of circulating free DNA (cfDNA) for sampling and analysis. A Study to Evaluate Electrophysiology of Deep Brain Stimulation Rochester, Minn. The primary purpose of this study is to map the electrophysiological properties of deep brain stimulation (DBS) targets and associated areas by analyzing signals recorded for clinical purposes. Electrophysiological properties such as spike statistics, power spectral density, spike-field coupling, and phase-amplitude coupling may be correlated to anatomic structures. An atlas with these properties could improve DBS lead targeting. A Study to Develop Liquid Biopsy for Pediatric Brain Tumor Patients Rochester, Minn. The purpose of this study is to confirm detection of the H3K27M mutation in patient biofluids (CSF, blood, urine, saliva) and uncover the molecular histone (alkaline protein) profile of H3K trimethylation and H3S phosphorylation in the circulating nucleosomes isolated from the biofluids of patients with H3K27M tumors. Electrophysiological Biomarkers for Parkinson's Disease Scottsdale/Phoenix, Ariz. This study will determine the validity of predictive and surrogate biomarkers for the detection of Parkinson's disease and Parkinson's disease cognitive decline. A Registry Called Every Child for Collecting Data and Biology Specimens on Younger Patients with Cancer Rochester, Minn. The purpose of this registry called Every Child, is to collect data and biospecimens from multiple body sources for younger patients with cancer over time. Gathering health information over time from younger patients with cancer may help doctors find better methods of treatment and on-going care. A Study of Early-onset Alzheimer's Disease Rochester, Minn., Jacksonville, Fla. The purpose of this Longitudinal Early-onset Alzheimer's Disease Study (LEADS) is designed to look at disease progression in individuals with early onset cognitive impairment . Clinical/cognitive, imaging, biomarker, and genetic characteristics will be assessed across three cohorts: (1) early onset Alzheimer's Disease (EOAD) participants, (2) early onset non-Alzheimer's Disease (EO-nonAD) participants,and (3) cognitively normal (CN) control participants. A Study of the Brain & Body Donation Program Scottsdale/Phoenix, Ariz. The purpose of this study is to study the structure and biochemistry of the brain and/or bodily fluid and tissue after death. Comparison of specimens from normal and diseased individuals provide essential clues that lead to a greater understanding of the diseased state which, in turn, will lead to new ideas for therapy. Inherited Muscle Diseases Repository Rochester, Minn. To establish a repository of DNA samples collected prospectively from patients with inherited myopathies of unknown molecular and/or biochemical defect. To access residual muscle specimens from diagnostic muscle biopsies obtained as part of the routine medical care. The biospecimens will be used to better understanding the underlying molecular defects and mechanisms of muscle diseases. Gemini Study to Evaluate the Integration of Cancer Genetic Testing into a Cancer Clinical Practice at Mayo Clinic at Arizona Jacksonville, Fla., Scottsdale/Phoenix, Ariz. The purpose of this study is to determine the prevalence of genetic mutations in cancer patients from various ethnic populations seeking care at Mayo Clinic cancer clinics. Pituitary tumor registry Rochester, Minn. The purpose of this data registry involves the collection of standard of care clinical treatment regimens, diagnostic information and surgical outcomes which may include human specimens and associated genomewide expression data. Pagination Clinical studies PrevPrevious Page Go to page 77 Go to page 88 Go to page 99 Go to page 1010 Go to page 1111 NextNext Page Request an appointment Expertise & rankingsResearch Nov. 08, 2025 Share on: FacebookTwitter Mayo Clinic in Rochester, Minnesota, Mayo Clinic in Phoenix/Scottsdale, Arizona, and Mayo Clinic in Jacksonville, Florida, have been ranked among the best Neurology & Neurosurgery hospitals in the nation by U.S. News & World Report. Learn more about this top honor NeurologyDepartmenthomeSectionsOverviewTests & proceduresConditions treatedDoctorsSpecialty groupsExpertise & rankingsClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals Research: It's all about patients Show transcript for video Research: It's all about patients [MUSIC PLAYING] Joseph Sirven, M.D., Professor of Neurology, Mayo Clinic: Mayo's mission is about the patient. The patient comes first. 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