Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 6, 2026, 6:29 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 52 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Chronic Idiopathic Constipation
Interventions
vibrating capsule, sham non-vibrating capsule
Device
Lead sponsor
Vibrant Ltd.
Industry
Eligibility
18 Years to 80 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
11
States / cities
Jacksonville, Florida • Augusta, Georgia • Chevy Chase, Maryland + 8 more
Conditions
Stage I Bladder Cancer, Stage II Bladder Cancer, Stage III Bladder Cancer
Interventions
Defined Green Tea Catechin Extract, Laboratory Biomarker Analysis, Pharmacological Study, Placebo, Therapeutic Conventional Surgery
Dietary Supplement · Other · Drug + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2017
U.S. locations
6
States / cities
Birmingham, Alabama • Burlington, Massachusetts • Minneapolis, Minnesota + 3 more
Conditions
Diabetes Mellitus, Diabetic Macular Edema
Interventions
ASP8232, ranibizumab, Placebo, Sham intravitreal (IVT) injection
Drug · Other
Lead sponsor
Astellas Pharma Europe B.V.
Industry
Eligibility
18 Years to 85 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
21
States / cities
Phoenix, Arizona • Tucson, Arizona • Arcadia, California + 18 more
Conditions
Mild Depression
Interventions
N-acetylcysteine, Mindfulness-based cognitive therapy, Placebo, Sham mindfulness-based intervention
Drug · Behavioral
Lead sponsor
University of Cincinnati
Other
Eligibility
15 Years to 24 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Cincinnati, Ohio
Recruiting Phase 4 Interventional Accepts healthy volunteers

Pimavanserin vs. Quetiapine for Treatment of Parkinson's Psychosis

NCT04373317
Conditions
Parkinson's Disease Psychosis
Interventions
Pimavanserin, Quetiapine
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years and older
Enrollment
358 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
24
States / cities
Tucson, Arizona • Loma Linda, California • Palo Alto, California + 20 more
Conditions
Insomnia Due to Medical Condition, Chronic Pain
Interventions
Gabapentin, Placebo, Tizanidine
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
La Jolla, California
Not yet recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Synaptic Mechanisms of Intermittent Theta Burst Stimulation for Major Depressive Disorder

NCT07593222
Conditions
Major Depression, Healthy Participants
Interventions
Sham iTBS, TMS, D-cycloserine, Dextromethophan, Placebo
Device · Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2031
U.S. locations
1
States / cities
Belmont, Massachusetts
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

An Innovative Intervention for OUD Treatment

NCT04325659
Conditions
Opioid-Related Disorders, Opioid Dependence, Opioid Addiction, Opioid Withdrawal
Interventions
Bridge Device, Lofexidine, Placebo, Sham Bridge Device
Device · Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Accepts healthy volunteers Results available

Estrogen and Serotonin on Changing Brain Chemistry

NCT01208324
Conditions
Menopause
Interventions
estrogen patch, Amino acids, Placebo Patch, Placebo pills
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
48 Years to 60 Years · Female only
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Prostate Cancer
Interventions
Placebo, Methylphenidate, Counseling Sessions, Sham Exercise, Standardized Exercise Intervention Program, Cognitive Behavioral Therapy (CBT)
Other · Drug · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2028
U.S. locations
1
States / cities
Houston, Texas
Conditions
Obsessive-Compulsive Disorder
Interventions
ExAblate MR-guided Focused Ultrasound Bilateral Anterior Capsulotomy
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
25 Years to 64 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
2
States / cities
Palo Alto, California • Boston, Massachusetts
Completed Phase 3 Interventional Results available

Secondary Prevention of Venous Thrombo Embolism (VTE).

NCT00329238
Conditions
Thromboembolism
Interventions
Dabigatran, Warfarin
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
2,867 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
18
States / cities
Mobile, Alabama • Hartford, Connecticut • Clearwater, Florida + 15 more
Completed Phase 1Phase 2 Interventional Results available

Use of Pyridostigmine for Constipation in Diabetics

NCT00276406
Conditions
Constipation, Diabetes Mellitus, Colonic Transit, Gastric Emptying
Interventions
Pyridostigmine, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Opioid-Related Disorders
Interventions
Deep Brain Stimulation
Device
Lead sponsor
West Virginia University
Other
Eligibility
22 Years to 50 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Morgantown, West Virginia
Conditions
Constipation
Interventions
Vibrating Capsule, Sham capsule
Device
Lead sponsor
Vibrant Ltd.
Industry
Eligibility
22 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
4
States / cities
Canoga Park, California • Albuquerque, New Mexico • Willoughby, Ohio + 1 more
Conditions
Gout, Chronic Kidney Diseases
Interventions
allopurinol capsule, 100-800 mg by mouth once daily, febuxostat tablet 40-120 mg by mouth once daily, Placebo, vehicle control (febuxostat-shaped), Placebo, vehicle control (allopurinol-shaped)
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
950 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
23
States / cities
Loma Linda, California • San Diego, California • San Francisco, California + 19 more
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Caffeine and Intermittent Hypoxia on Leg Function in Human Spinal Cord Injury

NCT02323698
Conditions
Spinal Cord Injuries
Interventions
Caffeine, AIH, Placebo, SHAM
Drug · Other
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Cambridge, Massachusetts
Conditions
Constipation
Interventions
Vibrant capsule, Sham capsule
Device
Lead sponsor
Vibrant Ltd.
Industry
Eligibility
22 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
Guntersville, Alabama • Miami, Florida
Recruiting Phase 1 Interventional Accepts healthy volunteers

The ENHANCE Study: taVNS and Psilocybin

NCT05866471
Conditions
Healthy, Psychedelic Experiences, Vagus Nerve Stimulation
Interventions
Psilocybin, Transcutaneous auricular Vagus Nerve Stimulation (taVNS), Psychosocial Support Alone, Sham taVNS
Drug · Device · Behavioral + 1 more
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 70 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Madison, Wisconsin
Completed Not applicable Interventional Accepts healthy volunteers Results available

Medication Effects on Periurethral Sensation,Urethral Sphincter Activity and Pressure Flow Parameters

NCT01028014
Conditions
Urethral Sphincter Activity
Interventions
Pseudoephedrine, Tamsulosin, Imipramine, Cyclobenzaprine, Lactose capsule, Solifenacin
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 51 Years · Female only
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Systemic Lupus Erythematosus, Rheumatoid Arthritis, Multiple Sclerosis, Autoimmune Diseases, Chronic Inflammatory Syndromes, Immune Dysregulation
Interventions
Low-Frequency Electromagnetic Resonance Therapy (LF-EMR), Sham Resonance Device (Inactive Control), Low-Dose Naltrexone (LDN)
Device · Drug
Lead sponsor
Truway Health, Inc.
Industry
Eligibility
Not listed
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2034
U.S. locations
1
States / cities
New York, New York
Conditions
ADHD
Interventions
TC-5619-238, Placebo
Drug
Lead sponsor
Targacept Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
16
States / cities
Bradenton, Florida • Jacksonville, Florida • Lauderhill, Florida + 13 more
Terminated Not applicable Interventional Results available

Optimization of Synvisc-One for Knee OA

NCT02029703
Conditions
Knee Osteoarthritis
Interventions
Synvisc-One Injection, Sham Injection
Device · Other
Lead sponsor
Elaine Husni
Other
Eligibility
21 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Weston, Florida
Conditions
Opioid Use Disorder
Interventions
Yohimbine + Hydrocortisone, Active rTMS, Placebo, Sham rTMS
Drug · Device
Lead sponsor
Wayne State University
Other
Eligibility
21 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Detroit, Michigan