Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 12, 2026, 4:09 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 208 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Proton pump inhibitor Clear all
Completed Phase 3 Interventional Results available

Trial of IW-3718 for 8 Weeks in Patients With Persistent Gastroesophageal Reflux Disease (GERD) Receiving Proton Pump Inhibitors (PPIs)

NCT03561883
View directory record Official record
Conditions
Gastroesophageal Reflux Disease (GERD)
Interventions
IW-3718, placebo, Standard-dose PPIs QD
Drug
Lead sponsor
Ironwood Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
609 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
98
States / cities
Birmingham, Alabama • Dothan, Alabama • Peoria, Arizona + 81 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2021 · Synced Sep 12, 2026, 4:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

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

NCT05319912
View directory record Official record
Conditions
Healthy
Interventions
ALXN1840 Enteric-coated Tablet, ALXN1840 Non-coated Capsule, 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 Sep 12, 2026, 4:09 AM EDT
Recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Comparison of Early Proton Pump Inhibitor Initiation Versus Usual Care on Acute Kidney Injury in Hemorrhagic Shock Patients

NCT06531642
View directory record Official record
Conditions
Acute Kidney Injury
Interventions
Protonix (Pantoprazole) 40 mg q 12 hrs for 2 days, Protonix (pantoprazole) 40 mg q 24 hrs for 2 days
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 12, 2026, 4:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacodynamic and Pharmacokinetic Study of E3710 Following Oral Administration to Healthy, Male, Japanese Subjects

NCT01390714
View directory record Official record
Conditions
Gastroesophageal Reflux Disease
Interventions
E3710
Drug
Lead sponsor
Eisai Co., Ltd.
Industry
Eligibility
20 Years to 40 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Mar 13, 2012 · Synced Sep 12, 2026, 4:09 AM EDT
Completed Phase 2 Interventional Results available

A Study in Patients With Erosive Esophagitis to Investigate Safety, Tolerability, and Healing Rates After 4 Weeks Treatment of X842 or Lansoprazole and Symptom Pattern During Subsequent 4 Weeks Treatment With Lansoprazole

NCT05055128
View directory record Official record
Conditions
Erosive Esophagitis
Interventions
X842, X842 Dummy, Lansoprazole, Lansoprazole Dummy
Drug
Lead sponsor
Cinclus Pharma Holding AB
Industry
Eligibility
18 Years to 75 Years
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 12, 2026, 4:09 AM EDT
Terminated No phase listed Observational

Molecular and Epidemiological Risk Factors in the Development of Gastric Cancer

NCT04600466
View directory record Official record
Conditions
Gastric Cancer
Interventions
Molecular testing for all participants., Germline Testing, Survey
Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Sep 12, 2026, 4:09 AM EDT
Completed Not applicable Interventional Results available

HALO Patient Registry: Ablation of Barrett's Esophagus

NCT00848237
View directory record Official record
Conditions
Barrett Esophagus
Interventions
Radiofrequency Ablation (HALO Ablation Systems)
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
Not listed
Enrollment
5,521 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
Knoxville and Other US Cities, California
Source: ClinicalTrials.gov public record
Updated Feb 4, 2016 · Synced Sep 12, 2026, 4:09 AM EDT
Completed Phase 4 Interventional Results available

Implementation of PPI Medication PGX Testing

NCT02794844
View directory record Official record
Conditions
Gastroesophageal Reflux
Interventions
Genotype Guided PPI Dosing
Drug
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
2 Years to 17 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Nov 20, 2018 · Synced Sep 12, 2026, 4:09 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 12, 2026, 4:09 AM EDT
Not yet recruiting Phase 2Phase 3 Interventional

Efficacy and Safety of Aspirin and Lansoprazole for Prevention of Preterm Birth in High-Risk Pregnant Women: A Biomarker-Enriched Trial

NCT07337655
View directory record Official record
Conditions
Pre-term Birth
Interventions
Low-Dose Aspirin Dose: 81 mg & Lansoprazole Dose: 30 mg, Standard of Care
Drug · Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
670 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Sep 12, 2026, 4:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study Of Glasdegib In Healthy Volunteers To Establish The Bioequivalence Of The Phase 2 Formulation To The ICH Formulation

NCT03130556
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Glasdegib, High Fat, High Calorie Meal, Rabeprazole
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 31, 2017 · Synced Sep 12, 2026, 4:09 AM 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 27, 2017 · Synced Sep 12, 2026, 4:09 AM EDT
Active, not recruiting Not applicable Interventional

Reflux Band in Laryngopharyngeal Reflux

NCT04827355
View directory record Official record
Conditions
Laryngopharyngeal Reflux
Interventions
External Upper Esophageal Sphincter (UES) Compression Device, Sham Device
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 99 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2025 · Synced Sep 12, 2026, 4:09 AM EDT
Completed Phase 3 Interventional

Assessment of the Role of Tegaserod Therapy in the Management of Gastroesophageal Reflux Disease (GERD) Symptoms in Patients With Incomplete Response to Proton Pump Inhibitors (PPIs).

NCT00171483
View directory record Official record
Conditions
Gastroesophageal Reflux Disease (GERD)
Interventions
Tegaserod
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Timeline
2004 – 2005
U.S. locations
7
States / cities
Boynton Beach, Florida • Miami, Florida • Pembroke Pines, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2008 · Synced Sep 12, 2026, 4:09 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Averting Complications of Proton Pump Inhibitor Therapy by Effervescent Calcium Magnesium Citrate

NCT03812380
View directory record Official record
Conditions
Osteoporosis, Hypomagnesemia
Interventions
EffCaMgCit, Placebo
Drug · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years to 99 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 16, 2022 · Synced Sep 12, 2026, 4:09 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 12, 2026, 4:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Esomeprazole on the Pharmacokinetics of Oral Treprostinil

NCT00963027
View directory record Official record
Conditions
Hypertension, Pulmonary, Pulmonary Arterial Hypertension
Interventions
Treprostinil diethanolamine, Esomeprazole
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Mar 7, 2010 · Synced Sep 12, 2026, 4:09 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 12, 2026, 4:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

HMPL-523 Food Effect and Proton Pump Inhibitor Study

NCT05571787
View directory record Official record
Conditions
Relapsed or Refractory Lymphoma
Interventions
HMPL-523, Rabeprazole
Drug
Lead sponsor
Hutchmed
Industry
Eligibility
18 Years to 55 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Feb 22, 2023 · Synced Sep 12, 2026, 4:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluate the Effects of Famotidine or Rabeprazole on the PK of Nirogacestat

NCT07171619
View directory record Official record
Conditions
Healthy
Interventions
Nirogacestat, Nirogacestat and Famotidine, Nirogacestat and Rabeprazole
Drug
Lead sponsor
SpringWorks Therapeutics, Inc., a healthcare company of Merck KGaA, Darmstadt, Germany
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Sep 12, 2026, 4:09 AM EDT
Not listed No phase listed Observational

Evaluating Adrenal Insufficiency in Adults With Eosinophilic Esophagitis on Chronic Swallowed Topical Steroids

NCT05246085
View directory record Official record
Conditions
Eosinophilic Esophagitis
Interventions
Cortisol level
Diagnostic Test
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 85 Years
Enrollment
300 participants
Timeline
2022 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 8, 2023 · Synced Sep 12, 2026, 4:09 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Obesity on Proton Pump Inhibitors

NCT04248335
View directory record Official record
Conditions
Pediatric Obesity, NAFLD, GERD
Interventions
Lansoprazole, Pantoprazole, Midazolam
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
6 Years to 21 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 12, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cobalamin Absorption From Fortified Food

NCT01399164
View directory record Official record
Conditions
Vitamin B-12 Deficiency, Achlorhydria
Interventions
14C-B12 fortified bread
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
60 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Oct 21, 2013 · Synced Sep 12, 2026, 4:09 AM EDT
Completed No phase listed Observational

To Learn How Bone Structure and Bone Mass Change After Long-term PPI Use

NCT01306799
View directory record Official record
Conditions
Barrett's Esophagus, Erosive Esophagitis, Gastroesophageal Reflux Disease(GERD)
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
40 Years to 75 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Sep 12, 2026, 4:09 AM EDT