Drug
Omeprazole clinical trials
Also written Prilosec and Losec.
- studies test it
- 218
- open now
- 16
- in phase 3
- 22
- first study started
- 1995
Keep track of what changes. Save the Omeprazole studies recruiting or about to start, and get an email each week — studies that open, close, add sites or post results.
Watch these studiesHow studies write it
Studies that test it under each name
Brand
Combined with it in one product
Studies by the year they started
214 studies that test it; most in 2013 (19)
| Year | Studies |
|---|---|
| 1995 | 2 |
| 1996 | 2 |
| 1998 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 2 |
| 2004 | 3 |
| 2005 | 4 |
| 2006 | 14 |
| 2007 | 6 |
| 2008 | 10 |
| 2009 | 8 |
| 2010 | 16 |
| 2011 | 10 |
| 2012 | 6 |
| 2013 | 19 |
| 2014 | 13 |
| 2015 | 13 |
| 2016 | 14 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 6 |
| 2020 | 11 |
| 2021 | 8 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 10 |
| 2025 | 7 |
| 2026 | 3 |
By phase
A phase 1/2 study counts in both.
- Early Phase 1
- 7
- Phase 1
- 105
- Phase 2
- 15
- Phase 3
- 22
- Phase 4
- 51
- No phase
- 21
What it is tested for
Each study’s main condition, where its own words name it.
Who runs them
Industry 108 · Other 110
AstraZeneca (12) · Boehringer Ingelheim (9) · Bristol-Myers Squibb (6) · Bayer (5) · Eli Lilly and Company (4) · Dr. Reddy's Laboratories Limited (4) · Alexion Pharmaceuticals, Inc. (3) · Merck Sharp & Dohme LLC (3)
Often tested with
Tested in the same studies.
Midazolam (33) · Caffeine (19) · Warfarin (14) · Amoxicillin (11) · Clarithromycin (10) · Digoxin (9) · Pantoprazole (7) · Flurbiprofen (6)
Studies
Open first, then newest update. How each study uses Omeprazole is read from its arms, and is right about nine times in ten.
Testing it · 218
- A Phase I Study of the Interaction of D-2570 With Other Drugs in Healthy AdultsNot yet recruitingPhase 1InventisBio Co., LtdNCT07875842Written as Omeprazole
- A Study to Investigate the Effect of Omeprazole and Cyclosporine on Velzatinib in Healthy ParticipantsNot yet recruitingPhase 1GlaxoSmithKlineNCT07862114Written as Omeprazole
- Effect of Omeprazole on Gut Microbiota in Adults With Obesity and GERDNot yet recruitingPhase 4Federal State Budgetary Scientific InstitutionNCT07850960Written as Omeprazole
- Reducing Gastrointestinal Bleeding With Proton Pump Inhibitor Therapy in Acute Venous ThromboembolismRecruitingPhase 3Ottawa Hospital Research InstituteNCT06393868Written as Omeprazole 20 mg Oral Tablet
- Efficacy of Ketorolac for Postoperative Pain Management in Hip ArthroscopyRecruitingPhase 4Henry Ford Health SystemNCT07037888Written as Omeprazole
- GERD Infant Feeding Therapeutics Trial (GIFT Trial)RecruitingNot applicableNationwide Children's HospitalNCT06114836Written as Omeprazole
- PPIs and In-Hospital Morbidity in Acute Variceal Bleeding With Chronic Liver DiseaseRecruitingPhase 2Universidad Autonoma de Nuevo LeonNCT06861478Written as Omeprazole 40 mg IV
- Evaluating the Pharmacokinetics of Oregano and Potential Oregano-drug Interactions Using a Drug Cocktail ApproachRecruitingEarly Phase 1Washington State UniversityNCT06693960Written as Drug cocktail
- Fatty Acid Synthase Inhibition in Castration Refractory Prostate CancerRecruitingPhase 2Wake Forest University Health SciencesNCT04337580Written as Omeprazole 80 mg twice daily
- OPEN Versus InTact Capsule Proton Pump Inhibitors for the Treatment of Marginal UlcersRecruitingPhase 4Stephen FirkinsNCT05799105Written as Omeprazole 40 milligrams
- Treatment of Gastroesophageal Reflux Disease in InfantsRecruitingPhase 4Odense University HospitalNCT06255886Written as Protein pump inhibitor.
- High Dose Oral Omeprazole in High Risk UGIBRecruitingNot applicableKing Chulalongkorn Memorial HospitalNCT04394663Written as High-dose oral omeprazole
- Study on the Effect of Atorvastatin Co-administered With Omeprazole on Statin LactoneRecruitingPhase 4National University Hospital, SingaporeNCT06690164Written as Omeprazole 20mg Capsule
- Comparison of Omeprazole vs Vonoprazon in Treatment of H Pylori InfectionNot yet recruitingPhase 4Rehman Medical Institute - RMINCT07040839Written as Omeprazole 40 mg
- Immunochemotherapy ± Salvage Chemoradiation for Local Recurrence of Esophageal Squamous Cell Carcinoma After Definitive ChemoradiotherapyEnrolling by invitationPhase 3Ye jinjunNCT07016737Written as Sintilimab Combined With Docetaxel Monotherapy
- Luminal Fructose Kinetics (MARTINI Study)RecruitingPhase 2Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)NCT06539494Written as Omeprazole 40 MG
- Comparison of Antisecretory Effect of a Single Dose of Rabeprazole 20 mg and Omeprazole 20 mg in Obese SubjectsCompletedPhase 2Nantes University HospitalNCT01136317Written as Omeprazole
- Effects of Omeprazole Ingestion on Postprandial Amino Acid Concentrations in Response to a Mixed MealCompletedNot applicableMcGill UniversityNCT07142486Written as Omeprazole 20 mg
- High Dose Omeprazole in Patients With Pancreatic CancerTerminatedEarly Phase 1University of OklahomaNCT04930991Written as Omeprazole
- Interaction of BI 425809 With Midazolam, Warfarin, Omeprazole and DigoxinCompletedPhase 1Boehringer IngelheimNCT02783040Written as Omeprazole
See all 218 studies that test Omeprazole →
Given in every arm · 57 — Omeprazole is usual care beside what is tested
- Ketorolac and Pregabalin Effects on breaSt Cancer (KePreSt)RecruitingPhase 2Jules Bordet InstituteNCT06150898Written as Omeprazole 20mg Capsule
- Study of GS-4571 in Healthy Participants, Nondiabetic Obese Participants, and Nonobese Participants With Type 2 Diabetes Mellitus (T2DM)RecruitingPhase 1Gilead SciencesNCT06562907Written as Omeprazole
- A Study Evaluating the Efficacy and Safety of Inavolisib Plus Fulvestrant Compared With Alpelisib Plus Fulvestrant in Participants With HR-Positive, HER2-Negative, PIK3CA Mutated, Locally Advanced or Metastatic Breast Cancer Post CDK4/6i and Endocrine Combination TherapyRecruitingPhase 3Hoffmann-La RocheNCT05646862Written as Omeprazole
- A Study to Investigate the Safety, Tolerability, and Pharmacokinetics of ABS-1230 Given Orally Compared With Placebo in Healthy Participants Aged 18 to 55 YearsRecruitingPhase 1Actio Biosciences, Inc.NCT07156201Written as Omeprazole
- Pylori Duo for Adjunctive Treatment and Prevention of Recurrence of Helicobacter Pylori InfectionNot yet recruitingNot applicableGala Servicios Clinicos S.L.NCT07729293Written as Omeprazole
- A Study to Evaluate the Impact of Lactobacillus Rhamnosus GG on Proton Pump Inhibitor-Induced Gut DysbiosisRecruitingNot applicableMayo ClinicNCT05517928Written as Omeprazole
- The Mechanism Versus PPI TrialRecruitingPhase 4University of California, San DiegoNCT06999577Written as Omeprazole 40 MG
- A Study to Evaluate the Effect of Multiple Doses of JNJ-56021927 on the Pharmacokinetics of Multiple Cytochrome P450 and Transporter Substrates in Participants With Castration-Resistant Prostate CancerActive, not recruitingPhase 1Aragon Pharmaceuticals, Inc.NCT02592317Written as Drug Cocktail
- A Study to Evaluate the Safety, Pharmacokinetics, and Activity of GDC-0587 as a Monotherapy and in Combination With Giredestrant in Participants With Locally Advanced or Metastatic Estrogen Receptor-Positive and Human Epidermal Growth Factor Receptor 2-Negative (ER+/HER2-) Breast CancerTerminatedPhase 1Genentech, Inc.NCT07214662Written as Omeprazole
- A Study of Imlunestrant (LY3484356) in Female Healthy ParticipantsCompletedPhase 1Eli Lilly and CompanyNCT05444556Written as Omeprazole
- A Study to Learn if Taking BIIB141 (Omaveloxolone) Affects How Omeprazole is Processed in the Body and About BIIB141's Safety in Healthy Adults Aged 18 to 55CompletedPhase 1BiogenNCT07149415Written as Omeprazole
- A Study of Effect of Food and a Proton Pump Inhibitor on Selpercatinib (LY3527723) in Healthy ParticipantsCompletedPhase 1Eli Lilly and CompanyNCT05468164Written as Omeprazole
- Beneficial Bacteria Treatment for AutismCompletedPhase 1/2Arizona State UniversityNCT02504554Written as Prilosec
- A Study to Evaluate the Safety, Pharmacokinetics, and Activity of GDC-1971 in Combination With Atezolizumab in Participants With Locally Advanced or Metastatic Solid TumorsCompletedPhase 1Genentech, Inc.NCT05487235Written as Omeprazole
- A Study to Learn How Different Amounts of PF-06954522 Are Tolerated and Act in Adults With Type 2 Diabetes MellitusCompletedPhase 1PfizerNCT06279234Written as Omeprazole
- IRX-2 Regimen in Treating Women With Cervical Squamous Intraepithelial Neoplasia 3 or Squamous Vulvar Intraepithelial Neoplasia 3TerminatedPhase 2University of Southern CaliforniaNCT03267680Written as Omeprazole
- Drug Interaction Study of SAR302503 in Patients With Solid TumorCompletedPhase 1Bristol-Myers SquibbNCT01585623Written as omeprazol
- A Study to Evaluate the Impact of Acid-reducing Agents on the Pharmacokinetics (PK) of AMG 510 in Healthy ParticipantsCompletedPhase 1AmgenNCT05599828Written as Omeprazole
- Study of H2 Antagonist and a Proton Pump Inhibitor of Selpercatinib in Healthy ParticipantsCompletedPhase 1Eli Lilly and CompanyNCT05338502Written as Omeprazole
- A Study to Estimate the Effect of Multiple Dose Abrocitinib on Caffeine, Efavirenz, and Omeprazole in Healthy ParticipantsCompletedPhase 1PfizerNCT05067439Written as Omeprazole
Showing 20 of 57.
As the comparator · 39 — what is tested is compared with Omeprazole
- Study of Teprenone in the Treatment of Glucocorticoid-Induced Drug-Related Gastrointestinal InjuryNot yet recruitingNot applicableSecond Affiliated Hospital, School of Medicine, Zhejiang UniversityNCT07654049Written as Omeprazole
- Comparing Effectiveness of Steroids and Methotrexate in Treatment of Chronic Inflammatory Breast DiseaseNot yet recruitingPhase 4National University Hospital, SingaporeNCT06943482Written as Omeprazole 20 mg
- Evaluation of the Efficacy of Local Budesonide Treatment in Children with Crohn's Disease Located in the Esophagus And/or Stomach And/or DuodenumEnrolling by invitationPhase 2/3Medical University of WarsawNCT06719622Written as omeprazole (proton pump inhibitor)
- EFFICACY OF ORAL AROEIRA (Schinus Terebinthifolia Raddi) COMPARED TO OMEPRAZOLE IN DYSPEPPSIANot yet recruitingPhase 3Infan Industria Quimica Farmaceutica NacionalNCT04069286Written as Omeprazole 20Mg Capsule
- Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of X842 in Human: A Single/Multiple Ascending Dose StudyCompletedEarly Phase 1Cinclus Pharma Holding ABNCT03105375Written as Losec
- A Multi-center, Randomized, Double-blind Phase III Clinical Trial to Assess and Compare to the Efficacy and Safety of Lafutidine, Famotidine and Omeprazole-referenced in Korean Erosive Esophagitis PatientsCompletedPhase 3Boryung Pharmaceutical Co., LtdNCT01499368Written as Omeprazole
- Effectiveness of Vonoprazan vs Omeprazole as Empiric Therapy for Gastroesophageal Reflux Disease (GERD) Patients Without Alarm FeaturesTerminatedPhase 4St. Luke's Medical Center, PhilippinesNCT04028466Written as Omeprazole
- Efficacy and Safety of Houtou Jianweiling Tablet in the Treatment of Chronic Non-Atrophic GastritisCompletedPhase 2University of KarachiNCT04672018Written as Omeprazole Tablet
- Efficacy and Safety Evaluation of Neobianacid® in GERD and EPSCompletedPhase 4Aboca Spa Societa' AgricolaNCT03238534Written as Omeprazole 20mg
- Evaluating the Effects of Omeprazole on the Pharmacokinetics of XS004 (Dasatinib) Tablets in Healthy Adult Subjects Under Fasting ConditionsCompletedPhase 1Xspray Pharma ABNCT05433896Written as Omeprazole 40 MG
- Vonoprazan in Helicobacter Pylori Treatment an RCTCompletedPhase 4Dow University of Health SciencesNCT04901663Written as Omeprazole 20 MG Capsule; Amoxicillin 1000 MG; Clarithromycin 500 MG
- Study Of Celecoxib Or Diclofenac And Omeprazole For Gastrointestinal (GI) Safety In High GI Risk Patients With ArthritisCompletedPhase 4Pfizer's Upjohn has merged with Mylan to form Viatris Inc.NCT00141102Written as Diclofenac + Omeprazole
- Comparison of Small Bowel Lesions Associated With Celecoxib Versus Ibuprofen Plus OmeprazoleCompletedPhase 4Pfizer's Upjohn has merged with Mylan to form Viatris Inc.NCT00640809Written as Ibuprofen plus Omeprazole
- Efficacy and Safety of DLBS2411 in the Management of GERDTerminatedPhase 3Dexa Medica GroupNCT03367195Written as Omeprazole
- A RCT of Triple Therapy With Proton Pump Inhibitor vs Vonoprazan for Helicobacter Pylori GastritisStatus unknownPhase 4Changi General HospitalNCT03908619Written as Omeprazole 20mg
- Evaluation of GERDOFF Efficacy in Combination With Proton Pump InhibitorCompletedNot applicableSOFAR S.p.A.NCT03793556Written as Omeprazole
- Melatonin Associated to Acid Inhibition for Chemoprevention in Barret Esophagus: a Pilot StudyCompletedPhase 3Aragon Institute of Health SciencesNCT01566474Written as Omeprazole
- Efficacy of Traditional Chinese Medicine Combined With Omeprazole in Patients With Non-erosive Reflux DiseaseStatus unknownPhase 1/2Xiyuan Hospital of China Academy of Chinese Medical SciencesNCT02892357Written as Control group
- Drug Interaction With Proton Pump Inhibitors for Nifedipine ER TabletsCompletedPhase 1Food and Drug Administration (FDA)NCT03100838Written as omeprazole/sodium bicarbonate
- DLBS2411 Treatment for Ulcer Healing in Non-Bleeding Peptic UlcersTerminatedPhase 3Dexa Medica GroupNCT02262169Written as Omeprazole
Showing 20 of 39.
Codes
What other systems call Omeprazole · ClinicalTrials.gg INT007924
- MeSH (NLM) D009853OmeprazoleConfirmed ClinicalTrials.gov, NLM, Wikidata
- UNII (FDA) KG60484QX9OMEPRAZOLEConfirmed FDA, NLM, Wikidata
- RxNorm 7646Confirmed FDA, Wikidata
- Wikidata Q422210omeprazoleConfirmed FDA, NLM, Wikidata
- NCI Thesaurus C716OmeprazoleOne source FDA
- DrugBank DB00338One source Wikidata
| System | Code | Name there | Checked by |
|---|---|---|---|
| MeSH (NLM) | D009853 | Omeprazole | Confirmed ClinicalTrials.gov, NLM, Wikidata |
| UNII (FDA) | KG60484QX9 | OMEPRAZOLE | Confirmed FDA, NLM, Wikidata |
| RxNorm | 7646 | — | Confirmed FDA, Wikidata |
| Wikidata | Q422210 | omeprazole | Confirmed FDA, NLM, Wikidata |
| NCI Thesaurus | C716 | Omeprazole | One source FDA |
| DrugBank | DB00338 | — | One source Wikidata |
Also registered as omeprazole magnesium (UNII 426QFE7XLK · RxNorm 236486) and omeprazole sodium (UNII KV03YZ6QLW · RxNorm 1792108).
“Confirmed” means two independent publishers link the code to this drug; “one source”, one does and its name agrees.