Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 8, 2026, 10:43 PM EDT

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Showing 25–45 of 45 matching trials from the live ClinicalTrials.gov search.
Conditions
Juvenile Neuronal Ceroid Lipofuscinosis
Interventions
Mycophenolate mofetil, Liquid Placebo
Drug
Lead sponsor
University of Rochester
Other
Eligibility
6 Years to 25 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Rochester, New York
Conditions
Breast Neoplasm, Breast Neoplasm, Male, Triple Negative Breast Cancer
Interventions
Cyclophosphamide, Indomethacin, Omeprazole, Multivitamin
Drug · Dietary Supplement
Lead sponsor
Providence Health & Services
Other
Eligibility
Not listed
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Helicobacter Pylori and Body Iron in Adults

NCT03146325
Conditions
Helicobacter Pylori Infection
Interventions
BISMUTH TETRACYCLINE METRONIDAZOLE OMEPRAZOLE, MATCHING PLACEBO
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 64 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
El Paso, Texas
Terminated Phase 4 Interventional Results available

PROUD Study - Preventing Opioid Use Disorders

NCT04766996
Conditions
Anesthesia, Opioid Use
Interventions
Guided mindfulness exercises, Self-administered aromatherapy, Baby aspirin, Tylenol/Acetaminophen, Pregabalin, Prednisone, Meloxicam, Prilosec, Tramadol, Voltaren, Zofran, Pepcid, Reglan, Versed, Lidocaine, Propofol, Ancef, Tranexamic Acid (TXA), Decadron, Bupivacaine hydrochloride, Toradol
Behavioral · Other · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Eustachian Tube Dysfunction, Laryngopharyngeal Reflux
Interventions
Omeprazole, Ranitidine, Pantoprazole, 24-Hour Diagnostic pH-Probe Test, Laryngoscopy
Drug · Procedure
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
2
States / cities
Loma Linda, California • Redlands, California
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of ALXN1840 (Non-coated) Administered With And Without Omeprazole In Healthy Adults

NCT05319899
Conditions
Healthy
Interventions
ALXN1840, Omeprazole
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
19 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Lincoln, Nebraska
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction Study of Omeprazole and Bemnifosbuvir/Ruzasvir

NCT07007806
Conditions
Healthy Volunteer Study
Interventions
Treatment A-Bemnifosbuvir/Ruzasvir FDC administered fasting, Treatment B-Omeprazole 20 mg dose administered fasting, Treatment C-Bemnifosbuvir/Ruzasvir FDC administered simultaneously with 20 mg dose of Omeprazole fasting, Treatment D-Bemnifosbuvir/Ruzasvir FDC administered 0.5 hour prior to 20 mg dose of Omeprazole, Treatment E-Omeprazole 40 mg administered fasting, Treatment F-Bemnifosbuvir/Ruzasvir FDC administered 2 hours after 40 mg dose Omeprazole
Drug
Lead sponsor
Atea Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Cypress, California
Conditions
Healthy
Interventions
ALXN1840 Enteric-coated Tablet, ALXN1840 Non-coated Capsule, Omeprazole
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
19 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Lincoln, Nebraska
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Voxelotor CYP and Transporter Cocktail Interaction Study

NCT05981365
Conditions
Sickle Cell Disease
Interventions
Voxelotor, Bupropion, Repaglinide, Flurbiprofen, Omeprazole, Midazolam, Metformin, Furosemide, Rosuvastatin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Coronary Artery Disease
Interventions
Clopidogrel 75mg, Omeprazole 20mg
Drug
Lead sponsor
Neil Kleiman, MD
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clopidogrel Pharmacogenetics (PGX) Bench to Bedside

NCT01341600
Conditions
Metabolism of Clopidogrel
Interventions
Clopidogrel, Omeprazole/Clopidogrel
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
20 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Conditions
Myocardial Injury After Noncardiac Surgery (MINS)
Interventions
Dabigatran, Placebo (for Dabigatran), Omeprazole, Placebo (for Omeprazole)
Drug
Lead sponsor
Population Health Research Institute
Other
Eligibility
45 Years and older
Enrollment
1,754 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
7
States / cities
Kansas City, Kansas • Buffalo, New York • Rochester, New York + 4 more
Completed Phase 1 Interventional Accepts healthy volunteers

Prilosec Bioequivalence Study in Healthy Volunteers

NCT01921920
Conditions
Bioequivalence, AUC, Cmax, Pharmacokinetics
Interventions
Omeprazole
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 50 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Overland Park, Kansas
Conditions
GERD Gastroesophageal Reflux Disease
Interventions
Omeprazole, LINX Reflux Management System
Drug · Device
Lead sponsor
Torax Medical Incorporated
Industry
Eligibility
21 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
21
States / cities
Mobile, Alabama • Heber Springs, Arkansas • Los Angeles, California + 18 more
Completed Phase 4 Interventional Results available

Implementation of PPI Medication PGX Testing

NCT02794844
Conditions
Gastroesophageal Reflux
Interventions
Genotype Guided PPI Dosing
Drug
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
2 Years to 17 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Orlando, Florida
Conditions
Adult Solid Neoplasm
Interventions
Gamma-Secretase Inhibitor RO4929097, Ketoconazole, Rifampin, Midazolam Hydrochloride, Omeprazole, Tolbutamide, Dextromethorphan Hydrobromide, Pharmacological Study, Laboratory Biomarker Analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Gastroesophageal Reflux Disease, Non Erosive Reflux Disease, Dyspepsia
Interventions
Confocal endomicroscopy, Proton pump inhibitor, Sucralfate
Device · Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 79 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
3
States / cities
Kenner, Louisiana • Charleston, South Carolina • Richmond, Virginia
Conditions
Squamous Cell Carcinoma of the Oral Cavity
Interventions
IRX-2, Cyclophosphamide, Indomethacin, Zinc-containing multivitamin, Omeprazole
Biological · Drug · Dietary Supplement
Lead sponsor
Brooklyn ImmunoTherapeutics, LLC
Industry
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
13
States / cities
Tucson, Arizona • Little Rock, Arkansas • Los Angeles, California + 10 more
Completed Phase 1Phase 2 Interventional Results available

Oral OKT3 for the Treatment of Active Ulcerative Colitis

NCT01287195
Conditions
Ulcerative Colitis
Interventions
Oral OKT3, Omeprazole
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Danirixin HBr 50 mg IR Tablet, Danirixin FB 50 mg IR Tablet, Prilosec (omeprazole) 40mg Delayed-Release capsule
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
65 Years to 80 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Overland Park, Kansas
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Gastric Acid on Colonic Microbiome

NCT01901276
Conditions
Clostridium Difficile
Interventions
Omeprazole 40 mg bid
Drug
Lead sponsor
Daniel Freedberg, MD
Other
Eligibility
18 Years and older · Male only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York