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ClinicalTrials.gov public records Last synced Oct 16, 2026, 2:41 PM EDT

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Showing 1–24 of 316 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Omeprazole Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacodynamics of CGT 2168 Compared With Plavix®

NCT00620802
View directory record Official record
Conditions
Healthy
Interventions
CGT-2168, Plavix
Drug
Lead sponsor
Cogentus Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 26, 2008 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluating the Effects of Omeprazole on the Pharmacokinetics of XS004 (Dasatinib) Tablets in Healthy Adult Subjects Under Fasting Conditions

NCT05433896
View directory record Official record
Conditions
Pharmacokinetics, Drug Interactions
Interventions
Dasatinib ASD, Omeprazole 40 MG
Drug
Lead sponsor
Xspray Pharma AB
Industry
Eligibility
18 Years to 60 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Dilworth, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Learn How Different Amounts of PF-06954522 Are Tolerated and Act in Adults With Type 2 Diabetes Mellitus

NCT06279234
View directory record Official record
Conditions
Type 2 Diabetes Mellitus (T2DM), Obesity
Interventions
Placebo, Rosuvastatin, Midazolam, Omeprazole, PF-06954522
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Anaheim, California • South Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 3, 2025 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study of CT1812 in Healthy Volunteers

NCT03716427
View directory record Official record
Conditions
Healthy Volunteers
Interventions
CT1812, tolbutamide, dextromethorphan, Omeprazole, midazolam
Drug
Lead sponsor
Cognition Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Kalamazoo, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 23, 2018 · Synced Oct 16, 2026, 2:41 PM EDT
Withdrawn Phase 4 Interventional

Total Antioxidant Effects of Esomeprazole in Dyspeptic Patients Receiving Non-steroidal Anti-inflammatory Drugs

NCT00443963
View directory record Official record
Conditions
Dyspepsia
Interventions
Esomeprazole Magnesium
Drug
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 24, 2020 · Synced Oct 16, 2026, 2:41 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Study of GS-4571 in Healthy Participants, Nondiabetic Obese Participants, and Nonobese Participants With Type 2 Diabetes Mellitus (T2DM)

NCT06562907
View directory record Official record
Conditions
Weight Management
Interventions
GS-4571, Placebo, Omeprazole
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
3
States / cities
Miami, Florida • San Antonio, Texas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of the Effects of Multiple Doses of Dexlansoprazole, Lansoprazole, Omeprazole or Esomeprazole on the Pharmacokinetics and Pharmacodynamics of Clopidogrel in Healthy Participants.

NCT00942175
View directory record Official record
Conditions
Healthy
Interventions
Clopidogrel, Clopidogrel and Lansoprazole, Clopidogrel and Dexlansoprazole, Clopidogrel and Omeprazole, Clopidogrel and Esomeprazole
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 55 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 3, 2012 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

A Study To Estimate The Effect Of Omeprazole On The Pharmacokinetics Of Nelfinavir In Healthy Subjects

NCT00251030
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Nelfinavir and Omeprazole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Kalamazoo, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 16, 2009 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Which Supraesophageal Reflux Symptoms Reliably Respond to Proton-Pump-Inhibitor (PPI) Therapy

NCT00170001
View directory record Official record
Conditions
Gastroesophageal Reflux
Interventions
Nexium, Sugar Pill
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 15, 2011 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 1 Interventional

A Study To Test The Effect Of GW786034 (Pazopanib) On P450 Enzymes

NCT00401583
View directory record Official record
Conditions
Carcinoma, Renal Cell
Interventions
GW786034 (pazopanib), Probe drugs
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
21 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Learn If the Study Medicine Esomeprazole Changes How the Body Processes the Other Study Medicine Vepdegestrant

NCT06275841
View directory record Official record
Conditions
Healthy
Interventions
vepdegestrant, esomeprazole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 3, 2024 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 1 Interventional

Phase 1 Pharmacokinetics of Intravenous Nexium in Children

NCT00474019
View directory record Official record
Conditions
Pharmacokinetics
Interventions
esomeprazole
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
Up to 17 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
11
States / cities
Little Rock, Arkansas • Hartford, Connecticut • Park Ridge, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 3, 2010 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Vecam 40/300 and Vecam 20/300 Compared to Omeprazole 20 mg on Gastric pH

NCT00818870
View directory record Official record
Conditions
Gastroesophageal Reflux
Interventions
Omeprazole, Vecam
Drug
Lead sponsor
Vecta Ltd.
Industry
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 27, 2010 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 2 Interventional

Comparison of Esomeprazole to Aerosolized, Swallowed Fluticasone for Eosinophilic Esophagitis

NCT00123656
View directory record Official record
Conditions
Esophagitis
Interventions
esomeprazole, fluticasone
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 16, 2008 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Test Bioavailability of of 2 New Formulations of UCB0599 in Healthy Participants in Part A and to Test Safety, Tolerability, and Pharmacokinetic (PK) of UCB0599 in Healthy Japanese and Chinese Participants in Part B

NCT05845645
View directory record Official record
Conditions
Healthy Study Participants
Interventions
UCB0599, Esomeprazole, Placebo
Drug · Other
Lead sponsor
UCB Biopharma SRL
Industry
Eligibility
18 Years to 55 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 3 Interventional Results available

A 12-month, Phase 3, Open-label, Multi-center Study to Evaluate the Long-term Safety of PN400 (VIMOVO)

NCT00527904
View directory record Official record
Conditions
Gastric Ulcer
Interventions
PN400 (VIMOVO), PN 400 (VIMOVO)
Drug
Lead sponsor
POZEN
Industry
Eligibility
18 Years and older
Enrollment
239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 31, 2010 · Synced Oct 16, 2026, 2:41 PM EDT
Withdrawn Phase 2 Interventional

Efficacy Study of Botulinum Toxin (BOTOX) Injections to Treat Vocal Fold Granulomas

NCT01678053
View directory record Official record
Conditions
Contact Ulcer of Vocal Folds, Granuloma of Vocal Cords, Granuloma, Laryngeal, Granuloma
Interventions
onabotulinumtoxinA, omeprazole (proton pump inhibitor)
Drug
Lead sponsor
Phillip Song, MD
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 28, 2017 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Assess the Drug Interactions of BBT-877 and Midazolam, Itraconazole, and Esomeprazole in Healthy Adult Subjects

NCT04138836
View directory record Official record
Conditions
Healthy Participants
Interventions
BBT-877, Midazolam, Itraconazole, Esomeprazole
Drug
Lead sponsor
Bridge Biotherapeutics, Inc.
Industry
Eligibility
19 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 1 Interventional Results available

A Study of Ixekizumab in Participants With Plaque Psoriasis

NCT02993471
View directory record Official record
Conditions
Psoriasis
Interventions
Drug Cocktail, Ixekizumab
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
3
States / cities
Anaheim, California • DeLand, Florida • High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 12, 2019 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 2 Interventional Results available

A Trial of IW-3718 for 8 Weeks in Patients With Symptomatic Gastroesophageal Reflux Disease (GERD)

NCT02637557
View directory record Official record
Conditions
Gastroesophageal Reflux Disease
Interventions
IW-3718, Matching Placebo, PPI
Drug
Lead sponsor
Ironwood Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
62
States / cities
Dothan, Alabama • Phoenix, Arizona • Tucson, Arizona + 54 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2019 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 3 Interventional Results available

Rabeprazole Extended-Release, 50 mg, Versus Esomeprazole, 40 mg, for Healing and Symptomatic Relief of Moderate to Severe Erosive Gastroesophageal Reflux Disease (GERD)

NCT00658775
View directory record Official record
Conditions
Gastroesophageal Reflux Disease (GERD)
Interventions
Rabeprazole sodium, Esomeprazole
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
1,069 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Moline, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 21, 2015 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 1 Interventional

Open-Label Study to Assess the Effect of Omeprazole on the Pharmacokinetics of VELCADE in Patients With Either Advanced Solid Tumors or Non-Hodgkin's Lymphoma.

NCT00298779
View directory record Official record
Conditions
Tumors, Non-Hodgkins's Lymphoma
Interventions
omeprazole and bortezomib
Drug
Lead sponsor
Millennium Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 6, 2008 · Synced Oct 16, 2026, 2:41 PM EDT
Terminated Phase 4 Interventional Results available

Non-Steroidal Anti-inflammatory Drugs in Axial Spondyloarthritis

NCT03473665
View directory record Official record
Conditions
Ankylosing Spondylitis, Axial Spondyloarthritis
Interventions
Indomethacin, Diclofenac, Meloxicam, Celecoxib
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 22, 2020 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic and Safety Study of Cenicriviroc and Acid Reducing Agents When Dosed Alone or in Combination

NCT02684799
View directory record Official record
Conditions
Healthy
Interventions
Cenicriviroc, Omeprazole, Famotidine
Drug
Lead sponsor
Tobira Therapeutics, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 24, 2017 · Synced Oct 16, 2026, 2:41 PM EDT