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Showing 961–984 of 1,265 matching trials from the live ClinicalTrials.gov search.
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Longitudinal Evaluation of a Radiotracer for Use in Tau Tracking

NCT03919669
Conditions
Alzheimer Disease, Mild Cognitive Impairment
Interventions
All Subjects
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
50 Years to 85 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Metastatic Castration-resistant Prostate Cancer
Interventions
SPECT/CT
Diagnostic Test
Lead sponsor
BAMF Health
Other
Eligibility
18 Years and older · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Grand Rapids, Michigan
Conditions
Healthy
Interventions
Cold-Pressor Task (CPT), Control CPT, fMRI
Behavioral · Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 64 Years
Enrollment
397 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
New York, New York
Conditions
Diabetic Retinal Disease
Interventions
Visual Acuity, Reading Speed, Visual Field testing, Contrast sensitivity, Electroretinography (ERG) and pupillography in light- and dark-adapted states, Ultrawide field-color photograph, Ultrawide field-Fluorescein angiogram, Optical coherence tomography, Optical coherence tomography- Angiography
Diagnostic Test · Other
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
8
States / cities
Huntington Beach, California • Augusta, Georgia • Boston, Massachusetts + 5 more
Conditions
Gastric Adenocarcinoma, Gastroesophageal Junction Adenocarcinoma, Peritoneal Carcinomatosis
Interventions
Standard of Care Chemotherapy, Biospecimen Collection, Computed Tomography, Diagnostic Laparoscopy, Intraperitoneal Port Placement, Magnetic Resonance Imaging, Intraperitoneal Paclitaxel
Drug · Procedure
Lead sponsor
ECOG-ACRIN Cancer Research Group
Network
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
78
States / cities
Irvine, California • Los Angeles, California • Orange, California + 64 more
Completed No phase listed Observational Accepts healthy volunteers

Magnetic Resonance Elastography (MRE) of Uterine Fibroids

NCT01229826
Conditions
Uterine Fibroids
Interventions
MR Elastography
Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Stuttering, Adult, Stuttering, Childhood, Stuttering, Developmental
Interventions
transcranial alternating current stimulation (tACS)
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Ann Arbor, Michigan
Recruiting No phase listed Observational Accepts healthy volunteers

Skeletal Health and Bone Marrow Composition in Adolescents With Cystic Fibrosis

NCT06216704
Conditions
Cystic Fibrosis
Interventions
Magnetic resonance relaxometry, Magnetic resonance spectroscopy, Blood Draw, DXA, pQCT
Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
13 Years to 20 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Critical Illness, Sepsis, Acute Respiratory Failure (ARF), Multi-organ Failure, Acute Kidney Injury, Delirium Confusional State, Shock
Interventions
Point-of-care large language model decision support (ChatGPT-5)
Other
Lead sponsor
MetroWest Artificial Intelligence Research Workgroup
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Framingham, Massachusetts
Conditions
Traumatic Brain Injury
Interventions
aerobic exercise, stretching/toning
Other
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Malignant Solid Neoplasm, Metastatic Malignant Neoplasm in the Brain
Interventions
Conventional Surgery, Questionnaire Administration, Stereotactic Radiosurgery, Computed Tomography, Magnetic Resonance Imaging, Biospecimen Collection
Procedure · Other · Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
4
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Bethesda, Maryland + 1 more
Conditions
Pulmonary Artery Hypertension, Congenital Heart Disease, Structural Heart Disease
Interventions
MRI Heart guidewire catheterization
Diagnostic Test
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 100 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Not applicable Interventional Accepts healthy volunteers Results available

Acute D2 Receptor Blockade Induced Neuronal Network Changes in Human Volunteers

NCT01931059
Conditions
Imaging of the Brain and Antipsychotics, Neuronal Network Changes
Interventions
Risperidone, Placebo
Drug · Other
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 60 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Glen Oaks, New York
Conditions
Chronic Pain
Interventions
Spinal Cord Stimulator Set to Minimal/No Stimulation Setting, Usual Care, Positron Emission Tomography / Magnetic Resonance Imaging
Other · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
Boston, Massachusetts
Conditions
Cataract
Interventions
Alcon Vivity toric intra ocular lens
Device
Lead sponsor
Kevin Barber
Other
Eligibility
45 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
DeLand, Florida
Conditions
Brain Injuries, Traumatic
Interventions
Transcranial Doppler ultrasonography (TCD)
Device
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Timeline
2025 – 2027
U.S. locations
3
States / cities
Davis, California • Winston-Salem, North Carolina • Richmond, Virginia
Conditions
Non-Melanoma Skin Cancer (NMSC), Benign Skin Growth
Interventions
Ameluz 10% Topical Gel, Protoporphyrin IX
Drug · Device
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Lebanon, New Hampshire
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Cognitive Empathy Training on Dementia Caregivers

NCT06650527
Conditions
Caregivers of People Living With Dementia, Dementia
Interventions
Cognitive Empathy Training, Control Condition, Pre and post intervention blood spot collection, Pre and post intervention MRI session
Behavioral · Procedure
Lead sponsor
Emory University
Other
Eligibility
50 Years and older
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
3
States / cities
Atlanta, Georgia
Conditions
Ependymoma
Interventions
Irradiation, Surgery, ^1^8F-Fluorodeoxyglucose, ^1^1C-methionine, Photon therapy, Proton therapy
Radiation · Procedure · Drug + 1 more
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
1 Year to 21 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2028
U.S. locations
1
States / cities
Memphis, Tennessee
Completed No phase listed Observational Accepts healthy volunteers

The Effects of Head Trauma on Collegiate Athletes

NCT02354469
Conditions
Cerebral Concussion, Brain Injuries
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 25 Years
Enrollment
437 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Localized Prostate Cancer
Interventions
Robotic Waterjet Treatment
Device
Lead sponsor
PROCEPT BioRobotics
Industry
Eligibility
40 Years and older · Male only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
3
States / cities
Los Angeles, California • Glenview, Illinois • New York, New York
Conditions
Locally Advanced Bladder Urothelial Carcinoma, Locally Advanced Renal Pelvis and Ureter Urothelial Carcinoma, Metastatic Bladder Urothelial Carcinoma, Metastatic Renal Pelvis and Ureter Urothelial Carcinoma, Stage III Bladder Cancer AJCC v8, Stage IV Bladder Cancer AJCC v8, Stage IV Renal Pelvis and Ureter Cancer AJCC v8
Interventions
Biospecimen Collection, Computed Tomography, Cystectomy, Enfortumab Vedotin, Local Therapy, Magnetic Resonance Imaging, Pembrolizumab, Positron Emission Tomography, Questionnaire Administration, Ureterectomy
Procedure · Drug · Biological + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Efficient Brain Study

NCT02771366
Conditions
Metabolism - Cerebral Energy
Interventions
Fermented Papaya Preparation, Granulated Sugar
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 100 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Radiotracer, Hypertension, Cholesterol
Interventions
FNP-59
Drug
Lead sponsor
Benjamin Viglianti
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan