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ClinicalTrials.gov public records Last synced Oct 21, 2026, 12:45 PM EDT

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Showing 1–24 of 101 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Prevacid Clear all
Completed Phase 4 Interventional Results available

Do Laryngeal Tissue Changes in Patients Suspected of Having Laryngopharyngeal Reflux Predict Response to Treatment?

NCT00444145
View directory record Official record
Conditions
Larynx Disease, Gastroesophageal Reflux
Interventions
Prevacid, Esophageal and Laryngeal Biopsies
Drug · Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Oct 21, 2026, 12:45 PM 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 Jul 1, 2026 · Synced Oct 21, 2026, 12:45 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

A Randomized, Double-Blind, Placebo-Controlled Study of Gastroesophageal Reflux Disease Therapy.

NCT00237068
View directory record Official record
Conditions
Asthma
Interventions
Lansoprazole; Solutab
Drug
Lead sponsor
Emory University
Other
Eligibility
4 Years to 11 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 16, 2011 · Synced Oct 21, 2026, 12:45 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Extended Release and Immediate Release Febuxostat in Participants With Gout

NCT02139046
View directory record Official record
Conditions
Gout
Interventions
Febuxostat IR, Febuxostat XR, Febuxostat placebo, Colchicine, Naproxen, Lansoprazole
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
1,790 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
192
States / cities
Binghamton, Alabama • Birmingham, Alabama • Huntsville, Alabama + 189 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2016 · Synced Oct 21, 2026, 12:45 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Study to Assess the Relative Bioavailability of Fixed-Dose Combination (FDC) Tablet (Simeprevir, Odalasvir and AL-335) Compared With Single Agents Administered Together, and to Assess the Effect of Multiple-Dose Lansoprazole or Omeprazole on Single-Dose Pharmacokinetics of SMV, ODV, and AL-335 (FDC)

NCT03059303
View directory record Official record
Conditions
Healthy
Interventions
Simeprevir 75 mg, Odalasvir 25 mg, Odalasvir 12.5 mg, Odalasvir 75 mg, AL-335 800 mg, Lansoprazole 30 mg, Omeprazole 20 mg
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 22, 2017 · Synced Oct 21, 2026, 12:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Investigation of the Association Between Nasal Polyposis and Extraesophageal Reflux Disease

NCT00215787
View directory record Official record
Conditions
Nasal Polyps, Gastroesophageal Reflux
Interventions
lansoprazole
Drug
Lead sponsor
Head and Neck Surgery Associates
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 22, 2010 · Synced Oct 21, 2026, 12:45 PM EDT
Terminated Phase 4 Interventional Results available

Dietary Control Alone Versus Dietary Control Plus Use of Proton Pump Inhibitors to Treat Pediatric Hoarseness

NCT00637416
View directory record Official record
Conditions
Dysphonia
Interventions
Lansoprazole, Placebo
Drug · Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
3 Years to 18 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2017 · Synced Oct 21, 2026, 12:45 PM EDT
Completed Phase 2 Interventional

A Study to Evaluate the Efficacy and Safety of Arbaclofen Placarbil (XP19986) as Adjunctive Therapy in Subjects With Gastroesophageal Reflux Disease (GERD)

NCT00978016
View directory record Official record
Conditions
Gastroesophageal Reflux Disease
Interventions
arbaclofen placarbil-Cohort 1, Placebo-Cohort 5, arbaclofen placarbil-Cohort 2, arbaclofen placarbil-Cohort 3, arbaclofen placarbil-Cohort 4, PPI
Drug
Lead sponsor
XenoPort, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
460 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
62
States / cities
Huntsville, Alabama • Chandler, Arizona • Mesa, Arizona + 56 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2021 · Synced Oct 21, 2026, 12:45 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Dexlansoprazole Modified Release Formulation to Treat Gastroesophageal Reflux Disease

NCT00321984
View directory record Official record
Conditions
Gastroesophageal Reflux Disease
Interventions
Dexlansoprazole MR, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
947 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
153
States / cities
Alabaster, Alabama • Birmingham, Alabama • Hueytown, Alabama + 150 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2011 · Synced Oct 21, 2026, 12:45 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy Study of Fentanyl Buccal Tablet Use in the Emergency Department for Isolated Extremity Injury

NCT01270659
View directory record Official record
Conditions
Pain
Interventions
Fentanyl, oxycodone/acetaminophen
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 20, 2017 · Synced Oct 21, 2026, 12:45 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Lansoprazole 30 mg DR Capsule Replicate Food Study

NCT01046084
View directory record Official record
Conditions
Healthy
Interventions
Lansoprazole, Prevacid®
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 8, 2010 · Synced Oct 21, 2026, 12:45 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Lansoprazole 30 mg DR Capsule Fasting Replicate Sprinkle Study

NCT01046253
View directory record Official record
Conditions
Healthy
Interventions
Lansoprazole, Prevacid®
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 8, 2010 · Synced Oct 21, 2026, 12:45 PM EDT
Completed Phase 3 Interventional Results available

Comparison of Dexlansoprazole MR to Placebo on the Ability to Maintain Healing in Subjects With Healed Erosive Esophagitis

NCT00255151
View directory record Official record
Conditions
Esophagitis, Reflux, Esophagitis, Peptic
Interventions
Dexlansoprazole MR, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
451 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
100
States / cities
Anniston, Alabama • Hueytown, Alabama • Huntsville, Alabama + 97 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2012 · Synced Oct 21, 2026, 12:45 PM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety of Extended Release and Immediate Release Febuxostat in Participants With Gout and Moderate Renal Impairment

NCT02128490
View directory record Official record
Conditions
Gout, Moderate Renal Impairment
Interventions
Febuxostat IR, Febuxostat XR, Febuxostat placebo, Colchicine, Naproxen, Lansoprazole
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
89
States / cities
Birmingham, Alabama • Muscle Shoals, Alabama • Phoenix, Arizona + 75 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2016 · Synced Oct 21, 2026, 12:45 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effect of Dexlansoprazole on Bone Homeostasis

NCT01216293
View directory record Official record
Conditions
Homeostasis, Bone and Bones
Interventions
Dexlansoprazole, Esomeprazole, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
Up to 75 Years · Female only
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
12
States / cities
San Diego, California • Walnut Creek, California • Lakewood, Colorado + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced Oct 21, 2026, 12:45 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Study of 24-hour Intragastric pH Profiles of Esomeprazole 40 mg and Lansoprazole 30 mg in Healthy Volunteer Subjects

NCT00230516
View directory record Official record
Conditions
Healthy
Interventions
Nexium, Prevacid
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
2
States / cities
Los Angeles, California • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 4, 2013 · Synced Oct 21, 2026, 12:45 PM EDT
Completed Phase 3 Interventional Results available

A Study of Dexlansoprazole Modified Release Formulation to Treat Night Heartburn

NCT00627016
View directory record Official record
Conditions
Gastroesophageal Reflux
Interventions
Dexlansoprazole, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 65 Years
Enrollment
305 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
43
States / cities
Tucson, Arizona • Anaheim, California • Garden Grove, California + 40 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2011 · Synced Oct 21, 2026, 12:45 PM EDT
Completed Phase 2 Interventional Results available

Proof of Concept Study Efficacy of an Antacid/Lansoprazole Combination for Relief of Heartburn

NCT01037452
View directory record Official record
Conditions
Heartburn
Interventions
Calcium carbonate/magnesium hydroxide/Lansoprazole 15 mg, Lansoprazole, Calcium carbonate/magnesium hydroxide, Placebo
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Mar 28, 2011 · Synced Oct 21, 2026, 12:45 PM EDT
Withdrawn Phase 4 Interventional

Dexilant Treatment in Gastrointestinal Reflux Disease (GERD Related Non Cardiac Chest Pain

NCT01637571
View directory record Official record
Conditions
Chest Pain, Gastrointestinal Reflux Disease
Interventions
Dexilant, Dexilant Placebo
Drug
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 11, 2012 · Synced Oct 21, 2026, 12:45 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Dexlansoprazole MR and Lansoprazole on Healing of Erosive Esophagitis

NCT00251693
View directory record Official record
Conditions
Esophagitis, Reflux, Esophagitis, Peptic
Interventions
Dexlansoprazole MR, Lansoprazole
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
2,038 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
96
States / cities
Alabaster, Alabama • Birmingham, Alabama • Huntsville, Alabama + 93 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2012 · Synced Oct 21, 2026, 12:45 PM EDT
Terminated Phase 4 Interventional Results available

Safety and Efficacy of Lansoprazole 30mg Twice Daily in Treatment of Laryngitis Associated With Gastroesophageal Reflux

NCT00369265
View directory record Official record
Conditions
Laryngopharyngeal Reflux
Interventions
Lansoprazole, Sugar pill
Drug · Dietary Supplement
Lead sponsor
American Institute for Voice and Ear Research
Other
Eligibility
18 Years to 89 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
3
States / cities
Detroit, Michigan • Philadelphia, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2012 · Synced Oct 21, 2026, 12:45 PM 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 13, 2026 · Synced Oct 21, 2026, 12:45 PM EDT
Completed Phase 1 Interventional

Can E-cadherin Found in Tissue/Blood be Valuable in Identifying & Monitoring Patients With Post-proton Pump Inhibitor (PPI)-Responsive Heartburn

NCT01149395
View directory record Official record
Conditions
Heartburn, Gastroesophageal Reflux Disease
Interventions
Dexlansoprazole
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 19, 2016 · Synced Oct 21, 2026, 12:45 PM EDT
Terminated Phase 4 Interventional

Lansoprazole Preventing Gastroduodenal Stress Ulcerations

NCT00220909
View directory record Official record
Conditions
Patients Undergoing Elective Coronary Artery Bypass Graft
Interventions
Lansoprazole
Drug
Lead sponsor
Temple University
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 11, 2008 · Synced Oct 21, 2026, 12:45 PM EDT