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ClinicalTrials.gov public records Last synced Oct 17, 2026, 12:21 PM EDT

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Showing 1–24 of 125 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Omeprazole alone Clear all
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, 12:21 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 17, 2026, 12:21 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 17, 2026, 12:21 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 17, 2026, 12:21 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 17, 2026, 12:21 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 17, 2026, 12:21 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 17, 2026, 12:21 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 17, 2026, 12:21 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, 12:21 PM EDT
Completed Phase 1 Interventional

Pharmacokinetic Drug-drug Interaction Study of Dovitinib (TKI258) in Patients With Advanced Solid Tumors

NCT01596647
View directory record Official record
Conditions
Advanced Solid Tumors, Excluding Breast Cancer
Interventions
caffeine, diclofenac, omeprazole, midazolam, TKI258
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
5
States / cities
Kansas City, Kansas • Detroit, Michigan • Minneapolis, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 21, 2020 · Synced Oct 17, 2026, 12:21 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, 12:21 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Drug-Drug Interaction Study With AZD9291 and Omeprazole in Healthy Volunteers

NCT02224053
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Pharmacokinetic sampling - AZD9291, AZD9291 tablet dosing, Omeprazole tablet dosing, Pharmacokinetic sampling - AZ5140 and AZ7550
Procedure · Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
2
States / cities
Overland Park, Kansas • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 24, 2016 · Synced Oct 17, 2026, 12:21 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, 12:21 PM EDT
Terminated Phase 1 Interventional

A Study to Evaluate the Effects of ASA404 Alone or in Combination With Taxane-based Chemotherapies on the Pharmacokinetics of Drugs in Patients With Advanced Solid Tumor Malignancies

NCT01290380
View directory record Official record
Conditions
Solid Tumor Malignancies
Interventions
ASA404, DMXAA, DXAA
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
2
States / cities
Houston, Texas • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 2, 2011 · Synced Oct 17, 2026, 12:21 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

GSK1349572 Proton Pump Inhibitor Drug Interaction and Supratherapeutic Dose Study

NCT00942136
View directory record Official record
Conditions
Healthy Volunteer
Interventions
GSK1349572, Placebo, Omeprazole
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 9, 2009 · Synced Oct 17, 2026, 12:21 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Examine the Effect of Omeprazole, Famotidine, and an Acidic Beverage on the Pharmacokinetics of Entinostat in Healthy Adult Subjects

NCT02922933
View directory record Official record
Conditions
Volunteers, Healthy Volunteers, Human Volunteers, Normal Volunteers
Interventions
entinostat, Omeprazole, Famotidine
Drug · Dietary Supplement
Lead sponsor
Syndax Pharmaceuticals
Industry
Eligibility
19 Years to 55 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
Tempe, Arizona • Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 16, 2018 · Synced Oct 17, 2026, 12:21 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, 12:21 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, 12:21 PM EDT
Completed Phase 1 Interventional

Drug Interaction Study of SAR302503 in Patients With Solid Tumor

NCT01585623
View directory record Official record
Conditions
Solid Tumor
Interventions
SAR302503, omeprazol, metoprolol, midazolam
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
3
States / cities
Augusta, Georgia • Detroit, Michigan • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 5, 2025 · Synced Oct 17, 2026, 12:21 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, 12:21 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, 12:21 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, 12:21 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Estimate the Effect of Multiple Dose Abrocitinib on Caffeine, Efavirenz, and Omeprazole in Healthy Participants

NCT05067439
View directory record Official record
Conditions
Healthy Participants
Interventions
Abrocitinib, Omeprazole, Caffeine, Efavirenz
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Hollywood, Florida
Source: ClinicalTrials.gov public record
Updated May 31, 2024 · Synced Oct 17, 2026, 12:21 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study Investigating the Effect of Food and Esomeprazole on the Single Oral Dose Pharmacokinetics of Alectinib (RO5424802) in Healthy Volunteers.

NCT02023125
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Alectinib, Esomeprazole, High Fat and Calorie Meal, Standard Meal
Drug · Other
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 7, 2016 · Synced Oct 17, 2026, 12:21 PM EDT