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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: omeprazol Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

AGN 201904 Versus Esomeprazole in the Prevention of Aspirin-induced Stomach or Upper Intestinal Damage in Healthy Volunteers

NCT00325715
View directory record Official record
Conditions
Peptic Ulcer
Interventions
AGN 201904, esomeprazole
Drug
Lead sponsor
Allergan
Industry
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 1, 2011 · Synced Sep 24, 2026, 9:52 AM EDT
Recruiting Phase 1Phase 2 Interventional

Study of IDE196 in Patients With Solid Tumors Harboring GNAQ/11 Mutations or PRKC Fusions

NCT03947385
View directory record Official record
Conditions
Metastatic Uveal Melanoma, Cutaneous Melanoma, Colorectal Cancer, Other Solid Tumors
Interventions
IDE196, Binimetinib, Crizotinib
Drug
Lead sponsor
IDEAYA Biosciences
Industry
Eligibility
18 Years and older
Enrollment
336 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
12
States / cities
Los Angeles, California • San Francisco, California • Denver, Colorado + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Assessment and Management of Chronic Dyspepsia in Eastern Uganda

NCT04525664
View directory record Official record
Conditions
Helicobacter Pylori Infection, Dyspepsia
Interventions
Clarithromycin 500mg, Amoxicillin 1000 MG, Omeprazole 40 MG, Omeprazole 20 MG Oral Tablet
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
376 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 24, 2020 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Effect of Omeprazole on the Pharmacokinetics of SPD422 (Anagrelide Hydrochloride) in Healthy Adult Participants

NCT03866434
View directory record Official record
Conditions
Healthy Volunteers
Interventions
SPD422, Omeprazole
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Drug-drug Interaction Effect of Omeprazole on the Pharmacokinetics (PK) of AMG 510 in Healthy Participants

NCT05581992
View directory record Official record
Conditions
Healthy Participants
Interventions
AMG 510, Omeprazole
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Mar 17, 2025 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Safety, Tolerability and Pharmacokinetics (PK) of Xanomeline With Trospium Chloride Versus KarXT in Healthy Adult and Elderly Participants of Japanese Ethnicity and to Assess the Effect of Omeprazole on the PK of Xanomeline With Trospium Chloride in Healthy Adult Participants

NCT06605950
View directory record Official record
Conditions
Healthy Volunteers
Interventions
KarXT, KarX-EC, Placebo, Omeprazole
Drug
Lead sponsor
Karuna Therapeutics, Inc., a Bristol Myers Squibb company
Industry
Eligibility
19 Years to 90 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Jul 3, 2025 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Learn if Taking BIIB141 (Omaveloxolone) Affects How Omeprazole is Processed in the Body and About BIIB141's Safety in Healthy Adults Aged 18 to 55

NCT07149415
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Omaveloxolone, Omeprazole
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 55 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Phase 3 Interventional

Esomeprazole for Prevention of Upper Gastrointestinal Symptoms Associated With Continuous Use of NSAIDs

NCT00241514
View directory record Official record
Conditions
GERD
Interventions
Esomeprazole
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
334 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
19
States / cities
Tucson, Arizona • Anaheim, California • Orange, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2011 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Phase 4 Interventional Results available

Pharmacokinetics of Immediate-Release vs. Delayed-Release Omeprazole in Gastroparesis

NCT00492622
View directory record Official record
Conditions
Gastroparesis, Gastroesophageal Reflux Disease
Interventions
Immediate-release omeprazole, Delayed-release omeprazole
Drug
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 27, 2017 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Phase 3 Interventional

Esomeprazole for Relief of Upper Gastrointestinal Symptoms Associated With Continuous Use of NSAIDs

NCT00241527
View directory record Official record
Conditions
NSAIDs, Upper GI Symptoms
Interventions
Esomeprazole
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
556 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2002
U.S. locations
32
States / cities
Tallassee, Alabama • Phoenix, Arizona • Garden Grove, California + 29 more
Source: ClinicalTrials.gov public record
Updated Jan 23, 2011 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study of Pacritinib and CYP450,Transporter Substrates, and CYP450 3A4 in Healthy Male Subjects

NCT05657613
View directory record Official record
Conditions
Drug Interactions
Interventions
CYP450 Cocktail and Transporter Substrates with Pacritinib, Part 2 -Group A Bosentan 125 mg (CYP450 3A4 inducer) with Pacritinib, Part 2 Group B - Fluconazole (CYP450 3A4 inhibitor) with Pacritinib
Drug
Lead sponsor
CTI BioPharma
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Phase 1 Interventional

Evaluate the Effects of Patupilone on the Pharmacokinetics of Midazolam and Omeprazole in Patients With Advanced Malignancies

NCT00420615
View directory record Official record
Conditions
Solid Tumors
Interventions
Patupilone and Omeprazole, Patupilone + Midalzolam
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 7, 2020 · Synced Sep 24, 2026, 9:52 AM 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 14, 2011 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics and Safety of GSK1325756 in Elderly Subjects and Adult Subjects of in the Fed and Fasted States and in the Presence of a Proton Pump Inhibitors

NCT01209104
View directory record Official record
Conditions
Nutritional Status
Interventions
GSK1325756
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years to 80 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 13, 2017 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Phase 2 Interventional Results available

Cellcept for Treatment of Juvenile Neuronal Ceroid Lipofuscinosis

NCT01399047
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 20, 2019 · Synced Sep 24, 2026, 9:52 AM EDT
Withdrawn Phase 3 Interventional

Effect of Acid Suppression With Esomeprazole on Vocal Cord Granulomas

NCT00567658
View directory record Official record
Conditions
Larynx Disease
Interventions
Esomeprazole
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 5, 2013 · Synced Sep 24, 2026, 9:52 AM EDT
Terminated Phase 3 Interventional

Clopidogrel and the Optimization of Gastrointestinal Events (COGENT-1)

NCT00557921
View directory record Official record
Conditions
Acute Coronary Syndrome, Myocardial Infarction, Coronary Artery Disease, Percutaneous Coronary Intervention
Interventions
CGT-2168 (clopidogrel 75 mg/omeprazole 20 mg) and aspirin, Plavix (clopidogrel 75 mg) and aspirin
Drug
Lead sponsor
Cogentus Pharmaceuticals
Industry
Eligibility
21 Years and older
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
247
States / cities
Alexander City, Alabama • Birmingham, Alabama • Geneva, Alabama + 205 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2009 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Prilosec Bioequivalence Study in Healthy Volunteers

NCT01921920
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 24, 2013 · Synced Sep 24, 2026, 9:52 AM EDT
Completed No phase listed Observational

Influence of the Proton Pump Inhibitor Omeprazole on the Anti-Platelet of P2Y12 Antagonists in Subjects With Coronary and Peripheral Artery Disease

NCT01018940
View directory record Official record
Conditions
Coronary Artery Disease, Peripheral Artery Disease
Interventions
Not listed
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 3, 2014 · Synced Sep 24, 2026, 9:52 AM EDT
Terminated Phase 1Phase 2 Interventional

Fecal Microbial Transplant in Pediatric Crohn's Disease

NCT02272868
View directory record Official record
Conditions
Crohn's Disease
Interventions
Fecal Microbial transplant, Normal Saline, rifaximin+omeprazole+miralax
Biological · Drug
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
12 Years to 21 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Phase 4 Interventional Results available

Impact of Timing on the Efficacy of Zegerid 40 mg in Healing Reflux Esophagitis: A Pilot Study

NCT00693225
View directory record Official record
Conditions
Erosive Esophagitis
Interventions
Omeprazole/sodium bicarbonate
Drug
Lead sponsor
Yvonne Romero
Other
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 19, 2012 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Phase 1 Interventional

Bendamustine in Combination With Lenalidomide and Dexamethasone in Refractory or Relapsed Multiple Myeloma

NCT01042704
View directory record Official record
Conditions
Myeloma
Interventions
Bendamustine, Lenalidomide, Dexamethasone, Aspirin, Prophylaxis, Antibiotic, Biweekly Follow Up, Cyclical Follow Up, Restaging, Post-Treatment Follow Up
Drug · Other
Lead sponsor
Robert Redner, MD
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
22
States / cities
Detroit, Michigan • Steubenville, Ohio • Beaver, Pennsylvania + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2017 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

D5611C00003 - Food Interaction Study With AZD1722 Tablet in Healthy Subjects

NCT02226783
View directory record Official record
Conditions
Healthy Volunteers Food Interaction Study
Interventions
AZD1722 salt tablet, AZD1722 free base tablet, AZD1722 free base tablet + Omeprazole
Drug
Lead sponsor
Ardelyx
Industry
Eligibility
18 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 21, 2015 · Synced Sep 24, 2026, 9:52 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Trial to Evaluate the Effect of the Proton Pump Inhibitor Esomeprazole on the Single-dose Pharmacokinetics (PK) of Oral TAK-906 in Healthy Adult Participants

NCT03849690
View directory record Official record
Conditions
Healthy Volunteers
Interventions
TAK-906, Esomeprazole
Drug
Lead sponsor
Millennium Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Sep 24, 2026, 9:52 AM EDT