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Showing 1–24 of 43 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 3 Interventional

The Use of Lansoprazole to Treat Infants With Symptoms of Gastroesophageal Reflux

NCT00324974
View directory record Official record
Conditions
Gastroesophageal Reflux Disease
Interventions
Lansoprazole microgranules suspension, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
1 Month to 11 Months
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
9
States / cities
Tampa, Florida • Park Ridge, Illinois • Shreveport, Louisiana + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2010 · Synced Sep 10, 2026, 8:13 AM 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 22, 2017 · Synced Sep 10, 2026, 8:13 AM EDT
Terminated Phase 2 Interventional Results available

Novel Therapy to Preserve Beta Cell Function in New Onset Type 1 Diabetes

NCT00837759
View directory record Official record
Conditions
Diabetes Mellitus Type 1, Autoimmune Diabetes
Interventions
Insulin, Lansoprazole, Sitagliptin, Diamyd, GAD65 (Diamyd)
Drug · Biological
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
16 Years to 30 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 2, 2013 · Synced Sep 10, 2026, 8:13 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Dexlansoprazole MR on Maintaining Healing in Subjects With Healed Erosive Esophagitis

NCT00255164
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
96
States / cities
Alabaster, Alabama • Birmingham, Alabama • Huntsville, Alabama + 93 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2012 · Synced Sep 10, 2026, 8:13 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 10, 2026, 8:13 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 10, 2026, 8:13 AM EDT
Completed Phase 3 Interventional Results available

Genotype-tailored Treatment of Symptomatic Acid-Reflux in Children With Uncontrolled Asthma

NCT03015610
View directory record Official record
Conditions
Asthma, Gastroesophageal Reflux
Interventions
commercially available lansoprazole, matched placebo
Drug
Lead sponsor
Jason Lang, M.D., M.P.H.
Other
Eligibility
6 Years to 17 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
2
States / cities
Jacksonville, Florida • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 10, 2026, 8:13 AM EDT
Completed No phase listed Observational

Reflux Disease Therapy in the Management of Childhood Asthma-data Entry and Analysis Only

NCT01536457
View directory record Official record
Conditions
Asthma, Gastroesophageal Reflux Disease
Interventions
Not listed
Lead sponsor
Children's Center for Digestive Health Care
Other
Eligibility
4 Years to 11 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 10, 2015 · Synced Sep 10, 2026, 8:13 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 10, 2026, 8:13 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Dexlansoprazole Modified Release Formulation to Treat Heartburn

NCT00251758
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
99
States / cities
Anniston, Alabama • Hueytown, Alabama • Huntsville, Alabama + 96 more
Source: ClinicalTrials.gov public record
Updated May 17, 2010 · Synced Sep 10, 2026, 8:13 AM 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 2, 2012 · Synced Sep 10, 2026, 8:13 AM EDT
Completed Phase 2 Interventional Results available

A Trial of IW-3718 for 8 Weeks in Patients With Symptomatic Gastroesophageal Reflux Disease (GERD)

NCT02637557
View directory record Official record
Conditions
Gastroesophageal Reflux Disease
Interventions
IW-3718, Matching Placebo, PPI
Drug
Lead sponsor
Ironwood Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
62
States / cities
Dothan, Alabama • Phoenix, Arizona • Tucson, Arizona + 54 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Sep 10, 2026, 8:13 AM 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 10, 2012 · Synced Sep 10, 2026, 8:13 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 10, 2026, 8:13 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 10, 2026, 8:13 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 10, 2026, 8:13 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Dexlansoprazole MR Compared to Placebo on Maintaining Healing in Subjects With Healed Erosive Esophagitis

NCT00321737
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
445 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
80
States / cities
Huntsville, Alabama • Tuscon, Arizona • Anaheim, California + 77 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2012 · Synced Sep 10, 2026, 8:13 AM 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 27, 2011 · Synced Sep 10, 2026, 8:13 AM EDT
Completed Phase 3 Interventional

Efficacy/Safety of Lansoprazole in Patients With Frequent Heartburn

NCT00390390
View directory record Official record
Conditions
Heartburn
Interventions
Lansoprazole
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
30
States / cities
Mobile, Alabama • Little Rock, Alaska • Chandler, Arizona + 26 more
Source: ClinicalTrials.gov public record
Updated May 24, 2010 · Synced Sep 10, 2026, 8:13 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 10, 2026, 8:13 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 10, 2026, 8:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of LY2940680 in Healthy Participants

NCT01681186
View directory record Official record
Conditions
Healthy Participants
Interventions
LY2940680 Capsule(s) (Reference), LY2940680 Tablet (Test), Lansoprazole, Placebo Capsule(s)
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 20, 2019 · Synced Sep 10, 2026, 8:13 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 10, 2026, 8:13 AM EDT
Completed Phase 3 Interventional

Efficacy/Safety of Lansoprazole in Patients With Frequent Nighttime Heartburn

NCT00701259
View directory record Official record
Conditions
Frequent Heartburn
Interventions
Lansoprazole, placebo
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
852 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Parsippany, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 14, 2010 · Synced Sep 10, 2026, 8:13 AM EDT