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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Omeprazole alone Clear all
Terminated Phase 4 Interventional Results available

PROUD Study - Preventing Opioid Use Disorders

NCT04766996
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 21, 2023 · Synced Sep 27, 2026, 6:03 AM EDT
Terminated Phase 1 Interventional

A Study to Assess the Effects of Itraconazole, Rifampicin, and Omeprazole on Pharmacokinetics of Adavosertib

NCT04959266
View directory record Official record
Conditions
Advanced Solid Tumours
Interventions
Adavosertib, Itraconazole, Rifampicin, Omeprazole
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
3
States / cities
Portland, Oregon • Austin, Texas • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 15, 2022 · Synced Sep 27, 2026, 6:03 AM EDT
Completed Phase 3 Interventional Results available

ERADICATE Hp - Treating Helicobacter Pylori With RHB-105

NCT01980095
View directory record Official record
Conditions
Dyspepsia, Helicobacter Pylori Infection
Interventions
RHB-105, Placebo
Drug
Lead sponsor
RedHill Biopharma Limited
Industry
Eligibility
18 Years to 65 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
12
States / cities
Anaheim, California • Chino, California • Jupiter, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2019 · Synced Sep 27, 2026, 6:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study of H2 Antagonist and a Proton Pump Inhibitor of Selpercatinib in Healthy Participants

NCT05338502
View directory record Official record
Conditions
Healthy
Interventions
Selpercatinib, Ranitidine, Omeprazole
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 29, 2024 · Synced Sep 27, 2026, 6:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate MK-4208/TERN-701 in Healthy Adult Participants (MK-4208-001/TERN701-1014)

NCT07838987
View directory record Official record
Conditions
Healthy
Interventions
TERN-701, Rabeprazole, Midazolam, Digoxin, Pravastatin, Montelukast, Omeprazole, Itraconazole, Warfarin, Rosuvastatin, Bosentan, Quinidine
Drug
Lead sponsor
Terns, Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years to 65 Years
Enrollment
196 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Millcreek, Utah
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Sep 27, 2026, 6:03 AM 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 12, 2023 · Synced Sep 27, 2026, 6:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Trial to Evaluate the Effect of Esomeprazole on the Pharmacokinetics of Emraclidine in Healthy Adult Participants

NCT06366243
View directory record Official record
Conditions
Healthy Participants
Interventions
Emraclidine, Esomeprazole
Drug
Lead sponsor
Cerevel Therapeutics, LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Dilworth, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 23, 2024 · Synced Sep 27, 2026, 6:03 AM 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 22, 2018 · Synced Sep 27, 2026, 6:03 AM 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 20, 2020 · Synced Sep 27, 2026, 6:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of a Proton Pump Inhibitor on Gleevec® in Healthy Volunteers

NCT00446004
View directory record Official record
Conditions
Healthy
Interventions
Imatinib Mesylate, Omeprazole
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 21, 2016 · Synced Sep 27, 2026, 6:03 AM EDT
Completed Phase 1 Interventional Results available

A Pharmacokinetic Study of RO5185426 in Combination With a Drug Cocktail in Patients With Metastatic Melanoma

NCT01001299
View directory record Official record
Conditions
Malignant Melanoma
Interventions
Drug cocktail, RO5185426
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
5
States / cities
Los Angeles, California • Boston, Massachusetts • Nashville, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2017 · Synced Sep 27, 2026, 6:03 AM EDT
Completed Phase 1 Interventional

A Study to Evaluate the Effect of Intravenous (IV) Infusions of Risankizumab on Pharmacokinetics of Cytochome P450 Substrates in Adult Participants With Moderately to Severely Active Ulcerative Colitis or Crohn's Disease

NCT04254783
View directory record Official record
Conditions
Ulcerative Colitis (UC), Crohn's Disease
Interventions
Risankizumab, Cytochrome P450 (CYP) Substrates
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
4
States / cities
Coronado, California • DeLand, Florida • Margate, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2024 · Synced Sep 27, 2026, 6:03 AM EDT
Completed Phase 1 Interventional

Gamma-Secretase/Notch Signalling Pathway Inhibitor RO4929097 in Treating Patients With Advanced Solid Tumors

NCT01218620
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 22, 2014 · Synced Sep 27, 2026, 6:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Evaluating Effect of Esomeprazole, Omeprazole or Lansoprazole on the Pharmacodynamics (PD) and Pharmacokinetics (PK) of Clopidogrel

NCT01147588
View directory record Official record
Conditions
Healthy
Interventions
lansoprazole, omeprazole, esomeprazole, clopidogrel
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
149 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 27, 2011 · Synced Sep 27, 2026, 6:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Interaction Study of Clopidogrel 300/75 mg Given Alone or With Omeprazole 80 mg 12 Hours Apart in Healthy Subjects

NCT01129388
View directory record Official record
Conditions
Healthy
Interventions
clopidogrel, Placebo, omeprazole
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 14, 2011 · Synced Sep 27, 2026, 6:03 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 27, 2026, 6:03 AM 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 6, 2021 · Synced Sep 27, 2026, 6:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Open Label, Single Dose, Three Part Study to Assess the Effects of Rolapitant (2 mg/mL IV Solution) on the Pharmacokinetics of Digoxin; Sulfasalazine; and the Cooperstown Cocktail (Midazolam, Omeprazole, Warfarin, Caffeine, and Dextromethorphan in Healthy Subjects

NCT02434861
View directory record Official record
Conditions
Chemotherapy-induced Nausea and Vomiting
Interventions
Rolapitant, Digoxin, Sulfasalazine, Cooperstown Cocktail
Drug
Lead sponsor
Tesaro, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 24, 2015 · Synced Sep 27, 2026, 6:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Impact of Proton Pump Inhibitors on the Fecal Microbiome

NCT01822977
View directory record Official record
Conditions
Healthy, Clostridium Difficile Infection
Interventions
omeprazole
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 19, 2014 · Synced Sep 27, 2026, 6:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of Effect of Multiple Doses of LOXO-305 on the Pharmacokinetics of Single Oral Doses of CYP1A2, CYP2C9, CYP2C19 Substrates in Healthy Participants

NCT06215430
View directory record Official record
Conditions
Healthy
Interventions
Caffeine Tablet, Omeprazole capsule, Warfarin tablet, Pirtobrutinib
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced Sep 27, 2026, 6:03 AM EDT
Completed Phase 3 Interventional Results available

An Open-Label Immunogenicity and Pharmacokinetics Study of Daclizumab High Yield Process Prefilled Syringe in Relapsing Remitting Multiple Sclerosis

NCT01462318
View directory record Official record
Conditions
Relapsing-Remitting Multiple Sclerosis
Interventions
Midazolam, Caffeine, S-warfarin, Vitamin K, Omeprazole, Dextromethorphan, BIIB019 (Daclizumab)
Drug · Other · Biological
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 65 Years
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
7
States / cities
Centennial, Colorado • Washington D.C., District of Columbia • Lake Barrington, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2017 · Synced Sep 27, 2026, 6:03 AM EDT
Terminated Phase 4 Interventional

Metformin and Esomeprazole in Preterm Pre-eclampsia

NCT06359015
View directory record Official record
Conditions
Preeclampsia Severe, Pre-Eclampsia, Preeclampsia, Preeclampsia Second Trimester, Preeclampsia Complicating Childbirth, Preeclampsia Puerperium, Preterm
Interventions
Metformin, Esomeprazole
Drug
Lead sponsor
Christiana Care Health Services
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced Sep 27, 2026, 6:03 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 27, 2026, 6:03 AM 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 25, 2023 · Synced Sep 27, 2026, 6:03 AM EDT