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Showing 1–24 of 101 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Lansoprazole Clear all
Terminated Not applicable Interventional

Quantifying Effects of Treatment of Pediatric Dysphonia

NCT00237679
View directory record Official record
Conditions
Voice Disorders, Gastroesophageal Reflux
Interventions
Neuromuscular Electrical Stimulation, Unstimulated
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
6 Years to 11 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 13, 2015 · Synced Sep 2, 2026, 5:42 AM EDT
Completed Phase 4 Interventional

An Open Label pH Comparison of Esomeprazole and Lansoprazole in Barrett's Esophagus Patients

NCT00352261
View directory record Official record
Conditions
Barrett's Esophagus
Interventions
Esomeprazole, Lansoprazole
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
12
States / cities
Phoenix, Arizona • Tucson, Arizona • North Chicago, Illinois + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2009 · Synced Sep 2, 2026, 5:42 AM EDT
Completed Not applicable Interventional Results available

A Clinical Trial of Proton Pump Inhibitors to Treat Children With Chronic Otitis Media With Effusion

NCT00546117
View directory record Official record
Conditions
Otitis Media With Effusion
Interventions
lansoprazole, placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
2 Years to 12 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 31, 2018 · Synced Sep 2, 2026, 5:42 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Pharmacokinetics, Pharmacodynamics, and Safety of Vonoprazan and Lansoprazole in Healthy Participants

NCT04729101
View directory record Official record
Conditions
Healthy Participants
Interventions
Vonoprazan, Lansoprazole
Drug
Lead sponsor
Phathom Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 30, 2023 · Synced Sep 2, 2026, 5:42 AM EDT
Terminated Phase 2 Interventional Results available

Effect of Dexlansoprazole 60 mg QD and 60 mg BID on Recurrence of Intestinal Metaplasia in Subjects Who Have Achieved Complete Eradication of Barrett's Esophagus With Radiofrequency Ablation

NCT02162758
View directory record Official record
Conditions
Barrett's Esophagus
Interventions
Dexlansoprazole, Dexlansoprazole Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 80 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
6
States / cities
Jacksonville, Florida • Chapel Hill, North Carolina • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Sep 2, 2026, 5:42 AM EDT
Completed Phase 4 Interventional Results available

Does Intensive Acid Suppression Reduce Esophageal Inflammation and Recurrent Barrett's Esophagus Following Ablation?

NCT01093755
View directory record Official record
Conditions
Inflammation, Barrett's Esophagus
Interventions
dexlansoprazole, Omeprazole
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 16, 2016 · Synced Sep 2, 2026, 5:42 AM 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 2, 2016 · Synced Sep 2, 2026, 5:42 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Elucidation of Acid-Induced Pulmonary Inflammation

NCT00361972
View directory record Official record
Conditions
Gastroesophageal Reflux, Asthma
Interventions
lansoprazole, placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 4, 2016 · Synced Sep 2, 2026, 5:42 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

The Effects of Reducing Stomach Acid on Post-tonsillectomy Pain

NCT00472186
View directory record Official record
Conditions
Post-tonsillectomy Pain, Post-tonsillectomy Activity, Post-tonsillectomy Hydration
Interventions
Lansoprazole, Placebo
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
5 Years to 18 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 5, 2021 · Synced Sep 2, 2026, 5:42 AM EDT
Completed Phase 2 Interventional Results available

Use of Topical Budesonide in the Treatment of Eosinophilic Esophagitis

NCT00638456
View directory record Official record
Conditions
Eosinophilic Esophagitis
Interventions
Budesonide plus Prevacid, placebo plus Prevacid
Drug
Lead sponsor
Ranjan Dohil
Other
Eligibility
1 Year and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 13, 2019 · Synced Sep 2, 2026, 5:42 AM EDT
Completed Phase 3 Interventional

Efficacy/Safety of Lansoprazole in Patients With Frequent Heartburn

NCT00389948
View directory record Official record
Conditions
Heartburn
Interventions
Lanzoprazole
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
576 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
28
States / cities
Hoover, Alabama • Huntsville, Alabama • Sierra Vista, Arizona + 23 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2007 · Synced Sep 2, 2026, 5:42 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Lansoprazole 30 mg DR Capsule Fasting Study

NCT01045967
View directory record Official record
Conditions
Healthy
Interventions
Lansoprazole, Prevacid®
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Dec 7, 2010 · Synced Sep 2, 2026, 5:42 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Comparison of Voice Therapy and Antireflex Therapy in LPR

NCT02530879
View directory record Official record
Conditions
Laryngopharyngeal Reflux
Interventions
Omeprazole, Lansoprazole, Esomeprazole, Rantidine, Voice therapy, Combination of anti-reflux medication and voice therapy
Drug · Behavioral · Other
Lead sponsor
Temple University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 17, 2018 · Synced Sep 2, 2026, 5:42 AM 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 23, 2012 · Synced Sep 2, 2026, 5:42 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Dexlansoprazole Modified Release Formulation to Treat Heartburn

NCT00251745
View directory record Official record
Conditions
Gastroesophageal Reflux Disease
Interventions
Dexlansoprazole MR, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
908 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
95
States / cities
Alabaster, Alabama • Birmingham, Alabama • Huntsville, Alabama + 92 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2011 · Synced Sep 2, 2026, 5:42 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Combination Therapy With Sitagliptin and Lansoprazole to Restore Pancreatic Beta Cell Function in Recent-Onset Type 1 Diabetes

NCT01155284
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Sitagliptin and Lansoprazole, Placebo
Drug
Lead sponsor
Sanford Health
Other
Eligibility
11 Years to 45 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
3
States / cities
San Diego, California • Saint Paul, Minnesota • Sioux Falls, South Dakota
Source: ClinicalTrials.gov public record
Updated Sep 17, 2017 · Synced Sep 2, 2026, 5:42 AM EDT
Completed Phase 2 Interventional

Safety and Efficacy of Ilaprazole 5, 20 and 40 mg QD and Lansoprazole 30 mg QD on Healing of Erosive Esophagitis

NCT00471094
View directory record Official record
Conditions
Esophagitis
Interventions
Ilaprazole, Lansoprazole
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
831 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
94
States / cities
Hueytown, Alabama • Huntsville, Alabama • Chandler, Arizona + 91 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2012 · Synced Sep 2, 2026, 5:42 AM 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 15, 2011 · Synced Sep 2, 2026, 5:42 AM EDT
Completed Phase 1 Interventional

Twice Daily Prevacid for the Treatment of Laryngopharyngeal Reflux

NCT00864396
View directory record Official record
Conditions
Laryngopharyngeal Reflux
Interventions
Prevacid
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Mar 26, 2017 · Synced Sep 2, 2026, 5:42 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Safety, Tolerability and Pharmacokinetics/Pharmacodynamics of Oral Doses of H008

NCT05050188
View directory record Official record
Conditions
Erosive Esophagitis
Interventions
H008, H008 placebo, Lansoprazole
Drug
Lead sponsor
Jiangsu Carephar Pharmaceutical Co., Ltd.
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 14, 2023 · Synced Sep 2, 2026, 5:42 AM 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 7, 2010 · Synced Sep 2, 2026, 5:42 AM 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 10, 2008 · Synced Sep 2, 2026, 5:42 AM 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 27, 2011 · Synced Sep 2, 2026, 5:42 AM EDT
Completed No phase listed Observational

Biaxin Based Antibiotic Therapy in Previously Untreated, Advanced Stage Indolent Lymphoma

NCT00461084
View directory record Official record
Conditions
Lymphoma
Interventions
Biaxin (clarithromycin)
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 17, 2014 · Synced Sep 2, 2026, 5:42 AM EDT