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ClinicalTrials.gov public records Last synced Oct 17, 2026, 2:50 PM EDT

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Showing 1–24 of 101 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Omeprazole capsule 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 17, 2026, 2:50 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 17, 2026, 2:50 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 17, 2026, 2:50 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 17, 2026, 2:50 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 17, 2026, 2:50 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 17, 2026, 2:50 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 17, 2026, 2:50 PM 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 17, 2024 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Phase 4 Interventional Results available

Study Evaluating the Drug Interaction Potential of Luliconazole Cream 1% in Participants With Tinea Pedis and Tinea Cruris

NCT02394340
View directory record Official record
Conditions
Tinea Pedis, Tinea Cruris
Interventions
Omeprazole 40 mg, Luliconazole Cream 1%
Drug
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Fair Lawn, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 27, 2019 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study With a Potential Alzheimer's Disease Compound

NCT00726726
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Interacting drugs - Cooperstown Cocktail (midazolam, warfarin, (+ vitamin K), caffeine, omeprazole and dextromethorphan), BMS-708163, BMS-708163 + Cooperstown Cocktail
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Hamilton, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 5, 2008 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

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

NCT05319899
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 1, 2023 · Synced Oct 17, 2026, 2:50 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)

NCT00658528
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
1,061 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Dec 21, 2015 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Comparison of Small Bowel Lesions Associated With Celecoxib Versus Ibuprofen Plus Omeprazole

NCT00640809
View directory record Official record
Conditions
Bowel Diseases, Inflammatory
Interventions
Celecoxib, Placebo, Ibuprofen plus Omeprazole
Drug · Other
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
408 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
12
States / cities
Scottsdale, Arizona • La Jolla, California • Los Angeles, California + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study Comparing Different Formulations of LY3410738 in Healthy Adult Participants

NCT06181084
View directory record Official record
Conditions
Healthy
Interventions
LY3410738, Esomeprazole
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Dec 26, 2023 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Vyvanse and Adderall XR Given Alone and in Combination With Prilosec OTC

NCT00746733
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Lisdexamfetamine Dimesylate, Adderall XR (mixed salts amphetamine)
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Drug-drug Interaction Study of Aggrenox and Omeprazole in Normal Volunteers

NCT01303445
View directory record Official record
Conditions
Healthy
Interventions
Aggrenox alone, Aggrenox and omeprazole, Omeprazole alone
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 24, 2013 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Open-Label, Multiple-Dose, Non-Randomized Study to Assess Drug-Drug Interactions of Proellex® in Female Subjects

NCT00741468
View directory record Official record
Conditions
Drug Interactions
Interventions
Proellex, CYP1A2 probe, CYP2C9 probe, CYP2C19 probe, CYP2D6 probe, CYP3A4 probe
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 48 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 22, 2014 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Bioavailability and Bioequivalence of Two Risdiplam Tablets in Healthy Participants

NCT04718181
View directory record Official record
Conditions
Muscular Atrophy, Spinal
Interventions
risdiplam, omeprazole
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 55 Years
Enrollment
131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
4
States / cities
Daytona Beach, Florida • Springfield, Missouri • Dallas, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2023 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Phase 1 Interventional

Drug-drug Interaction Trial With Tralokinumab in Moderate to Severe Atopic Dermatitis - ECZTRA 4

NCT03556592
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
Tralokinumab, Caffeine, Warfarin, Omeprazole, Metoprolol, Midazolam Hydrochloride
Drug
Lead sponsor
LEO Pharma
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
9
States / cities
Little Rock, Arkansas • Rogers, Arkansas • San Diego, California + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 24, 2025 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Early Phase 1 Interventional

Study to Investigate the Effect of Rocatinlimab (AMG 451) on the Pharmacokinetics of Multiple Cytochrome P450 (CYP450) Substrates in Participants With Moderate to Severe Atopic Dermatitis

NCT05891119
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
Caffeine, Metoprolol, Midazolam, Warfarin, Vitamin K, Omeprazole, Rocatinlimab
Dietary Supplement · Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
7
States / cities
North Hollywood, California • DeLand, Florida • Hialeah, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Single and Multiple Ascending Doses, Relative Bioavailability, Food Effect, and Drug-Drug Interaction Study of NX-5948 in Healthy Volunteers

NCT06717269
View directory record Official record
Conditions
Healthy Volunteer
Interventions
NX-5948, Esomeprazole, Placebo, Famotidine, Midazolam, Digoxin, Rosuvastatin, Quinidine
Drug
Lead sponsor
Nurix Therapeutics, Inc.
Industry
Eligibility
19 Years to 55 Years
Enrollment
223 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
2
States / cities
Phoenix, Arizona • Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Phase 3 Interventional Results available

Efficacy of Esomeprazole in Patients With Frequent Heartburn

NCT01370538
View directory record Official record
Conditions
Heartburn
Interventions
Esomeprazole
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
341 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
10
States / cities
Mobile, Alabama • San Francisco, California • Westlake Village, California + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 11, 2013 · Synced Oct 17, 2026, 2:50 PM 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 18, 2025 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the One-way Interaction of Calcium Carbonate, Omeprazole, or Rifampin on ACP-196

NCT04914936
View directory record Official record
Conditions
Healthy Participants
Interventions
ACP-196, Calcium carbonate, Omeprazole, Rifampin
Drug
Lead sponsor
Acerta Pharma BV
Industry
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 7, 2021 · Synced Oct 17, 2026, 2:50 PM EDT