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ClinicalTrials.gov public records Last synced Oct 2, 2026, 8:05 AM EDT

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Showing 49–72 of 89 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: gel cap placebo Clear all
Completed Phase 2 Interventional Results available

Effect of Galantamine on Short-term Abstinence

NCT01669538
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Galantamine, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 60 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 15, 2019 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Impact of Astaxanthin on Cognition in Recreationally Active Females

NCT06460181
View directory record Official record
Conditions
Mental Fatigue
Interventions
Astaxanthin, Placebo
Dietary Supplement
Lead sponsor
University of North Alabama
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Florence, Alabama
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study Comparing the Efficacy of Two Ibuprofen Formulations

NCT00740857
View directory record Official record
Conditions
Pain
Interventions
placebo, ibuprofen Formulation 1, ibuprofen Formulation 2
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
16 Years to 40 Years
Enrollment
211 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 6, 2011 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Phase 3 Interventional Results available

Study of Efficacy, Safety and Tolerability of Levodopa-Carbidopa Intestinal Gel in Levodopa-Responsive Parkinson's Subjects

NCT00660387
View directory record Official record
Conditions
Advanced Parkinson's Disease
Interventions
Levodopa carbidopa intestinal gel (LCIG), Placebo Gel, Levodopa-carbidopa (LC) oral encapsulated immediate release (IR) tablets, Placebo (PBO) oral capsules, CADD-Legacy® 1400 ambulatory infusion pump, PEG tube, J-tube
Drug · Device
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
30 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
11
States / cities
Birmingham, Alabama • Fountain Valley, California • Oceanside, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jan 16, 2015 · Synced Oct 2, 2026, 8:05 AM EDT
Terminated Not applicable Interventional Results available

Acitretin or Tazarotene Gel and Excimer Laser for Treatment of Psoriasis

NCT01094717
View directory record Official record
Conditions
Psoriasis
Interventions
Acitretin 25Mg Oral Capsule, Excimer laser, Tazarotene 0.1% Gel,Top, Sham excimer laser
Drug · Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 26, 2019 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Vitamin D in Postmenopausal Women at High Risk for Breast Cancer

NCT00859651
View directory record Official record
Conditions
Breast Cancer
Interventions
Cholecalciferol, Placebo capsule
Drug
Lead sponsor
Columbia University
Other
Eligibility
21 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 27, 2017 · Synced Oct 2, 2026, 8:05 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Cannabidiol Effects on Learning and Anxiety

NCT05283382
View directory record Official record
Conditions
Anxiety and Fear
Interventions
Cannabidiol Oral Product, Placebo
Drug · Other
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 50 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Not applicable Interventional Results available

Pain Inflammation and Cannabis in HIV

NCT05554146
View directory record Official record
Conditions
HIV Infections, Neuropathic Pain, Cannabis
Interventions
Receipt of Coupon for Placebo Soft-Gel Capsule, Receipt of Coupon for High THC Soft-Gel Capsule, Receipt of Coupon for Equal THC and CBD Soft-Gel Capsule, Receipt of Coupon for High CBD Soft-Gel Capsule
Other
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Oct 2, 2026, 8:05 AM EDT
Not listed Phase 4 Interventional

Placebo Controlled Study Using Lovaza as Treatment for Non-Alcoholic Fatty Liver Disease

NCT00941642
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease
Interventions
Lovaza, placebo control
Drug
Lead sponsor
Huntington Medical Research Institutes
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2010 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Phase 2 Interventional Results available

The Effect Of NS-0200 and NS-0300 Versus Placebo on Weight In Obesity

NCT03364335
View directory record Official record
Conditions
Obesity
Interventions
Leu Sil 1.0mg, Leu Sil 4.0mg, Leu Met Sil 1.0mg, Leu Met Sil 4.0mg, Placebo
Drug
Lead sponsor
NuSirt Biopharma
Industry
Eligibility
18 Years to 65 Years
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
15
States / cities
Mobile, Alabama • Montclair, California • Sacramento, California + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2019 · Synced Oct 2, 2026, 8:05 AM EDT
Recruiting Phase 2 Interventional

The Inorganic Nitrate and eXercise Performance in Heart Failure (iNIX-HF)

NCT05562167
View directory record Official record
Conditions
Heart Failure
Interventions
KNO3, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
19 Years to 79 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Lactation Fortification Study

NCT01747668
View directory record Official record
Conditions
Lactation
Interventions
Similac Prenatal Vitamin soft-gel capsule, Placebo (soybean oil and dl-alpha-tocopheryl acetate)
Dietary Supplement
Lead sponsor
Abbott Nutrition
Industry
Eligibility
18 Years and older · Female only
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
6
States / cities
Indianapolis, Indiana • Dayton, Ohio • Kettering, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated May 31, 2013 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Cognitive Effects of Oral Oxybutynin and Oxybutynin Chloride Topical Gel in Older Volunteers

NCT00752141
View directory record Official record
Conditions
Healthy Volunteers
Interventions
oxybutynin chloride immediate-release, oxybutynin chloride topical gel, placebo
Drug · Other
Lead sponsor
Watson Pharmaceuticals
Industry
Eligibility
60 Years to 79 Years
Enrollment
153 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
6
States / cities
Tucson, Arizona • National City, California • Maitland, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2011 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety Study of a Test Naproxen Sodium 220mg Tablet in Postoperative Dental Pain

NCT03566979
View directory record Official record
Conditions
Post-operative Dental Pain
Interventions
Test naproxen sodium tablet, Commercial naproxen sodium tablet, Commercial naproxen sodium liquid gels capsule, Placebo tablet
Drug
Lead sponsor
Johnson & Johnson Consumer Inc., McNeil Consumer Healthcare Division
Industry
Eligibility
17 Years to 50 Years
Enrollment
501 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 9, 2020 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Dry Eye Assessment and Management: Feasibility Study

NCT01102257
View directory record Official record
Conditions
Dry Eye Syndromes, Keratoconjunctivitis Sicca
Interventions
Omega-3 EFA Supplement, Olive Oil
Drug
Lead sponsor
Asbell, Penny, M.D.
Individual
Eligibility
18 Years to 90 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 23, 2012 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Phase 1Phase 2 Interventional

Study of Daily Pentoxifylline as a Rescue Treatment in Duchenne Muscular Dystrophy

NCT00243789
View directory record Official record
Conditions
Muscular Dystrophy, Duchenne
Interventions
Pentoxifylline
Drug
Lead sponsor
Cooperative International Neuromuscular Research Group
Network
Eligibility
7 Years and older · Male only
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
5
States / cities
Washington D.C., District of Columbia • Rochester, Minnesota • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2011 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Phase 3 Interventional Results available

A Randomized, Clinical Trial of Vitamin E and Memantine in Alzheimer's Disease

NCT00235716
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
dl-alpha-tocopherol, Memantine, Placebo
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
40 Years and older
Enrollment
613 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
13
States / cities
Bay Pines, Florida • Miami, Florida • Iowa City, Iowa + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2014 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

The Effect of Vitamin D Supplementation on Muscle Power in Elite Cyclist

NCT01518725
View directory record Official record
Conditions
Muscle Power
Interventions
Vitamin D, Placebo
Dietary Supplement
Lead sponsor
Oklahoma State University
Other
Eligibility
18 Years to 35 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Stillwater, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 29, 2015 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Phase 4 Interventional

Supplementation in Adolescent Girls With Endometriosis

NCT02387931
View directory record Official record
Conditions
Endometriosis
Interventions
Vitamin D3, Fish Oil, Placebo
Dietary Supplement · Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
12 Years to 25 Years · Female only
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 1, 2016 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of LycoRed Phytonutrient and Vitamin Supplement (a.k.a. LYC-001e) on Ocular Blood Flow

NCT03068377
View directory record Official record
Conditions
Ocular Blood Flow
Interventions
Experimental, Placebo
Dietary Supplement
Lead sponsor
LycoRed Ltd.
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 26, 2019 · Synced Oct 2, 2026, 8:05 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Improving Therapeutic Learning for PTSD

NCT04558112
View directory record Official record
Conditions
PTSD, Post Traumatic Stress Disorder
Interventions
L-DOPA, Placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years to 50 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Austin, Texas • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 30, 2023 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Modulation of GABA-A Receptors in Parkinson Disease-Transdermal Flumazenil Arm

NCT03440112
View directory record Official record
Conditions
Parkinson Disease
Interventions
Clarithromycin (Not used as of 4/2020), Placebo (Not used as of 4/2020), Transdermal flumazenil (Added 4/2020), Placebo (Added 4/2020)
Drug
Lead sponsor
Nicolaas Bohnen, MD, PhD
Other
Eligibility
50 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 10, 2023 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Gastrointestinal Safety Evaluation of Two Over the Counter Analgesics

NCT01822665
View directory record Official record
Conditions
Gastrointestinal Mucosal Damage
Interventions
Ibuprofen, Paracetamol, Placebo
Drug · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 60 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2014 · Synced Oct 2, 2026, 8:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Health Benefits of a 21-day Daniel Fast

NCT01378767
View directory record Official record
Conditions
Effects of Krill Oil on Human Health
Interventions
Krill oil supplementation
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 22, 2011 · Synced Oct 2, 2026, 8:05 AM EDT