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ClinicalTrials.gov public records Last synced Oct 3, 2026, 1:26 AM EDT

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Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo Pills and Placebo Liquid Clear all
Terminated Phase 2 Interventional Results available

Hydroxyurea and Magnesium Pidolate to Treat People With Hemoglobin Sickle Cell Disease

NCT00532883
View directory record Official record
Conditions
Hemoglobin SC Disease
Interventions
Hydroxyurea, Magnesium Pidolate, Placebo Pills and Placebo Liquid
Drug · Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
5 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
19
States / cities
Birmingham, Alabama • Oakland, California • Sacramento, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2013 · Synced Oct 3, 2026, 1:26 AM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

Ecosystem Nourishment for Gut Restoration After Fecal Transplantation

NCT07826793
View directory record Official record
Conditions
Aging
Interventions
Fecal Microbiota Transplant Capsules, Microbiome Rejuvenating Diet, Placebo Fecal Microbiota Transplantation
Drug · Behavioral · Other
Lead sponsor
Stanford University
Other
Eligibility
40 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 3, 2026, 1:26 AM EDT
Completed Phase 1 Interventional Results available

Melatonin Use After Primary Total Joint Arthroplasty

NCT04795336
View directory record Official record
Conditions
Osteo Arthritis Knee
Interventions
Melatonin 5 mg, Placebo
Drug · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 95 Years
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 4, 2025 · Synced Oct 3, 2026, 1:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Glutathione (an Antioxidant) and N-Acetylcysteine on Inflammation

NCT01550432
View directory record Official record
Conditions
Obesity, Hyperlipidemia, Insulin Resistance, Hypertension
Interventions
Glutathione, N-Acetylcysteine, Placebo
Dietary Supplement · Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Oct 3, 2026, 1:26 AM EDT
Completed Phase 2Phase 3 Interventional

The Use of SennaS for Prevention of Post-operative Constipation After Urogynecologic Surgery

NCT00571896
View directory record Official record
Conditions
Constipation
Interventions
Senna+ docusate, placebo
Drug
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 5, 2012 · Synced Oct 3, 2026, 1:26 AM EDT
Recruiting Phase 2 Interventional

Vitamin A Supplementation in Allogeneic Stem Cell Transplantation.

NCT06450925
View directory record Official record
Conditions
Graft Vs Host Disease, Vitamin A Deficiency, Vitamin D Deficiency
Interventions
Vitamin A, Placebo
Drug · Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
3
States / cities
Tampa, Florida • Buffalo, New York • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 3, 2026, 1:26 AM EDT
Completed Phase 2 Interventional Results available

The Efficacy of Low Dose Naltrexone Therapy in Children With Crohn's Disease

NCT00715117
View directory record Official record
Conditions
Crohn's Disease
Interventions
Naltrexone, Placebo, sugar pill
Drug · Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
6 Years to 17 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 6, 2018 · Synced Oct 3, 2026, 1:26 AM EDT
Completed Phase 3 Interventional

Echinacea Versus Placebo Effect in Common Cold (Physician Echinacea Placebo)

NCT00065715
View directory record Official record
Conditions
Common Cold
Interventions
Echinacea, Blinded placebo
Dietary Supplement · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
12 Years and older
Enrollment
719 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2013
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 4, 2014 · Synced Oct 3, 2026, 1:26 AM EDT
Completed Phase 2 Interventional Results available

Xyrem(Sodium Oxybate) and Ambien(Zolpidem Tartrate) in the Treatment of Chronic Insomnia.

NCT00383643
View directory record Official record
Conditions
Sleep Initiation and Maintenance Disorders
Interventions
zolpidem tartrate, sodium oxybate, Matching Placebos
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 1, 2017 · Synced Oct 3, 2026, 1:26 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers Results available

Vascular Dysfunction in Black Individuals: Roles of Nitric Oxide and Endothelin-1

NCT04770155
View directory record Official record
Conditions
Vascular Function, Racial Disparity
Interventions
Dietary Nitrates 400 mg, L-citrulline 3 g, Sildenafil 100 mg, Bosentan 125 mg
Dietary Supplement · Drug
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years to 40 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Oct 31, 2023 · Synced Oct 3, 2026, 1:26 AM EDT
Terminated Phase 4 Interventional Results available

Prazosin and Cerebrospinal Fluid (CSF) Biomarkers in Mild Traumatic Brain Injury (mTBI)

NCT03221751
View directory record Official record
Conditions
Dementia
Interventions
prazosin hydrochloride, placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 26, 2024 · Synced Oct 3, 2026, 1:26 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Treatment of Orthostatic Intolerance

NCT00262470
View directory record Official record
Conditions
Tachycardia, Chronic Orthostatic Intolerance
Interventions
Acetazolamide, Atomoxetine, NO Drug, Clonidine, Entacapone, Entacapone & Propranolol, Atomoxetine & Propranolol, Indomethacin, Mecamylamine, Isosorbide Dinitrate, Melatonin, Midodrine, Modafinil, Octreotide, Placebo, Propranolol, Modafinil & Propranolol, Sertraline, IV Saline, Drinking Water, Breathing Device, memantine, Abdominal binder
Drug · Other · Dietary Supplement + 3 more
Lead sponsor
Satish R. Raj
Other
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 8, 2025 · Synced Oct 3, 2026, 1:26 AM EDT
Completed Phase 2 Interventional

Role of Pharmacotherapy in Counteracting Weight Regain in Adolescents With Severe Obesity

NCT04298203
View directory record Official record
Conditions
Obesity
Interventions
Phentermine-Topiramate, Meal Replacement Therapy, Placebo
Drug · Dietary Supplement · Other
Lead sponsor
University of Minnesota
Other
Eligibility
12 Years to 18 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 3, 2026, 1:26 AM EDT
Completed Phase 2 Interventional Results available

Sapropterin as a Treatment for Autistic Disorder

NCT00850070
View directory record Official record
Conditions
Autistic Disorder
Interventions
sapropterin, Placebo
Drug
Lead sponsor
The Children's Health Council
Other
Eligibility
3 Years to 6 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 1, 2018 · Synced Oct 3, 2026, 1:26 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Study to Determine Effectiveness of Activation Mist on Facial Skin Wrinkles

NCT01939964
View directory record Official record
Conditions
Skin Wrinkles on Face and Neck Areas
Interventions
Activation Mist
Other
Lead sponsor
California Allergy and Asthma Medical Group, Inc.
Other
Eligibility
30 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 11, 2013 · Synced Oct 3, 2026, 1:26 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Antibiotics Versus Placebo in the Treatment of Abscesses in the Emergency Department

NCT00867789
View directory record Official record
Conditions
Abscess
Interventions
Trimethoprim-sulfamethoxazole, Sugar pill
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
3 Months to 17 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced Oct 3, 2026, 1:26 AM EDT
Completed Phase 2 Interventional Results available

Effect of Three Periodontal Therapies in Current Smokers and Non-Smokers

NCT00066066
View directory record Official record
Conditions
Periodontitis, Periodontal Diseases
Interventions
Scaling and root planing, Metronidazole, Amoxicillin, Doxycycline
Procedure · Drug
Lead sponsor
The Forsyth Institute
Other
Eligibility
20 Years and older
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 22, 2013 · Synced Oct 3, 2026, 1:26 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

CoQ10 and D-ribose in Patients With Diastolic Heart Failure

NCT03133793
View directory record Official record
Conditions
Heart Failure, Diastolic
Interventions
CoQ10, D-Ribose Oral Powder, Placebo pills, Placebo powder
Drug · Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
50 Years and older
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 18, 2022 · Synced Oct 3, 2026, 1:26 AM EDT
Terminated Phase 1 Interventional

Effect of Potassium and Acetazolamide on People With Andersen-Tawil Syndrome

NCT00839501
View directory record Official record
Conditions
Andersen-Tawil Syndrome
Interventions
Potassium, Acetazolamide
Dietary Supplement · Drug
Lead sponsor
University of Rochester
Other
Eligibility
10 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 20, 2012 · Synced Oct 3, 2026, 1:26 AM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of Alendronate (Fosamax) in Children With Osteoporosis

NCT00259857
View directory record Official record
Conditions
Osteoporosis
Interventions
Alendronate
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
5 Years to 15 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 19, 2011 · Synced Oct 3, 2026, 1:26 AM EDT
Completed Phase 2 Interventional Results available

Propranolol for Challenging Behaviors in Autism

NCT04047355
View directory record Official record
Conditions
Autism Spectrum Disorder, Developmental Disability, Aggression, Self-Injurious Behavior, Challenging Behavior
Interventions
Propranolol
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
12 Years to 30 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Oct 3, 2026, 1:26 AM EDT
Recruiting Early Phase 1 Interventional

Effects of a Probiotic Intervention on the Gut and Vaginal Microbiome in Patients With Advanced or Recurrent Ovarian Cancer Undergoing Treatment With Platinum Chemotherapy

NCT07144826
View directory record Official record
Conditions
Advanced Ovarian Carcinoma, Recurrent Ovarian Carcinoma, Stage II Ovarian Cancer AJCC v8, Stage III Ovarian Cancer AJCC v8, Stage IV Ovarian Cancer AJCC v8
Interventions
Biospecimen Collection, Placebo Administration, Probiotic, Questionnaire Administration
Procedure · Drug · Dietary Supplement + 1 more
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 3, 2026, 1:26 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Acute Concussion and Melatonin

NCT04731974
View directory record Official record
Conditions
Concussion, Mild, Concussion, Brain, Pediatric ALL
Interventions
Melatonin 3 MG, Placebo
Drug · Other
Lead sponsor
Children's National Research Institute
Other
Eligibility
12 Years to 18 Years
Enrollment
254 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 7, 2024 · Synced Oct 3, 2026, 1:26 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Escitalopram Effects on CSF Amyloid Beta

NCT02161458
View directory record Official record
Conditions
Amyloid Beta Protein
Interventions
Escitalopram 20mg for 2 weeks, Escitalopram 20mg for 8 weeks, Escitalopram 30mg for 8 weeks, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
60 Years to 85 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
2
States / cities
St Louis, Missouri • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 9, 2020 · Synced Oct 3, 2026, 1:26 AM EDT