Clinical trials: Omeprazole
Hypochlorhydria
Assessment of Gastric pH Changes Induced by Ascorbic Acid Tablets
This study evaluates the use of ascorbic acid, vitamin C, to temporary reduce gastric pH in individuals with omeprazole induced hypochlorhydria.
- Trial name
- NCT04199624
- Testing
- Omeprazole 20mg, Vitamin C
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Indiana University
Herb-drug Interactions
Effects of Kudzu Root (Gegen) on Drug-Metabolizing Enzymes and Blood Clotting in Healthy Volunteers
Purpose: The purpose of this study is to understand how the traditional herbal medicine kudzu root (Gegen, Radix Puerariae lobatae) affects the activity of drug metabolizing enzymes in the body, and whether this could lead to…
- Trial name
- NCT07823140
- Testing
- Arm 1: Radix Puerariae lobatae (Gegen), Arm 1: Six-probe drug cocktail, Arm 2: Radix Puerariae lobatae (Gegen)
- Where
- Hong Kong
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Anthocyanin Metabolism
Gastric pH and Anthocyanin Absorption
Anthocyanins are phytonutrients that provide blue, purple and red colors to fruits and vegetables. The purpose of the study is to determine whether absorption of anthocyanins occurs in the acid pH of the stomach and to determine…
- Trial name
- NCT01122160
- Testing
- omeprazole
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- USDA Beltsville Human Nutrition Research Center
Healthy
A Study of ALXN1840 (Non-coated) Administered With And Without Omeprazole In Healthy Adults
This was single-center, open-label, randomized, 3-period, 3-treatment, 6-sequence crossover study evaluating the PK of single doses of WTX101 in healthy participants based on the measurement of plasma total Molybdenum.
- Trial name
- NCT05319899
- Testing
- ALXN1840, Omeprazole
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Alexion Pharmaceuticals, Inc.
GERD
Twenty-Four Hour Combined Multi-Channel Impedance and pH Ambulatory Monitoring: Impedance Reflux Episodes of Patients On and Off Proton Pump Inhibitor Therapy
The purpose of this study is to determine the effects of proton pump inhibitors (PPIs) on the total number of reflux episodes in the distal esophagus measured by impedance in patients with and without gastroesophageal reflux…
- Trial name
- NCT01710800
- Testing
- Esomeprazole
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Walter Reed National Military Medical Center
Healthy
Omeprazole Delayed Release (DR) Capsules Bioequivalence Study of Dr. Reddys Under Fed Condition
This study examines the bioequivalence of Dr. Reddy's Omeprazole delayed release capsules under fed condition.
- Trial name
- NCT01170182
- Testing
- Omeprazole, Prilosec® 40 mg
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Dr. Reddy's Laboratories Limited
Healthy
Effects of Tipranavir (With Ritonavir) Capsule and Liquid Formulation on Cytochrome P450 and P-glycoprotein Activity in Healthy Volunteers
Primary: To quantify the influence of single-dose and steady-state tipranavir/ritonavir 500/200 mg on intestinal and hepatic cytochrome P450 (CYP) and P-glycoprotein (P-gp) biomarkers, as a means of predicting drug interactions.
- Trial name
- NCT02243553
- Testing
- Tipranavir capsule, Tipranavir solution, Ritonavir capsule
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Boehringer Ingelheim
Muscular Atrophy, Spinal
Bioavailability and Bioequivalence of Two Risdiplam Tablets in Healthy Participants
The study is a randomized, single oral dose, crossover study in up to three parts to investigate the relative bioavailability and bioequivalence of two different formulations of risdiplam 5 mg (dispersible tablets) versus the…
- Trial name
- NCT04718181
- Testing
- risdiplam, omeprazole
- Where
- 4 sites in United States
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- Hoffmann-La Roche
Drug-drug Interaction
A Phase 1 Study to Evaluate the Effects of Omeprazole and Famotidine on the Absorption of Telotristat Ethyl in Healthy Subjects
This drug-drug interaction study will evaluate the impact of two different acid reducing agents (from two different drug classes) co-administered with a single dose of telotristat ethyl.
- Trial name
- NCT03302845
- Testing
- Omeprazole 40 MG, Famotidine 40 mg, Telotristat ethyl 250 mg
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Lexicon Pharmaceuticals
Vonoprazan, Helicobacter Pylori Infection
A RCT of the Efficacy of Vonoprazan 20mg QD in the Treatment of Helicobacter Pylori Infection
The treatment of helicobacter pylori is very important. The routine treatment is quadruple therapy. In recent years, double therapy has appeared and the curative effect is fair.
- Conditions
- Vonoprazan, Helicobacter Pylori Infection, Proton Pump Inhibitor
- Trial name
- VATH-1 (NCT05590286)
- Testing
- Vonoprazan Tablets, Amoxicillin Capsules, Esomeprazole
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- First People's Hospital of Hangzhou
Healthy
Drug-Drug Interaction Study With PF-05089771
This study will test the potential for PF-05089771 to interact with a cocktail of drugs
- Trial name
- NCT01934569
- Testing
- Pravastatin, midazolam, losartan, omeprazole, caffeine and PF-05089771
- Where
- Belgium
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Pfizer
Juvenile Idiopathic Arthritis
Assessment of Pharmacokinetics of a Single Oral Dose of VIMOVO in Healthy Adult Volunteers
This is an assessment of Pharmacokinetics of a single oral dose of VIMOVO in healthy adult volunteers.
- Trial name
- NCT01358383
- Testing
- naproxen, esomeprazole
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Drug-Interactions
Interactions Between Cannabinoids and Cytochrome P450-Metabolized Drugs
This study will evaluate drug-drug interactions between cannabis extracts containing Tetrahydrocannabinol (THC) and THC+ Cannabinoids (CBD) and probe drugs for select CYP450 pathways including: caffeine (CYP1A2), omeprazole…
- Trial name
- NCT04201197
- Testing
- Inje cocktail, THC Cannabis extract, THC/CBD Cannabis Extract
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Healthy
Study in Healthy Subjects to Determine the Effect of Relacorilant on Exposure to Probe Substrates for Cytochrome P450s
This is an open-label, single-sequence, 3-period crossover study conducted in healthy subjects. Eligible subjects will participate in a single treatment period, in which they will receive the following treatments: Day 1, single…
- Trial name
- NCT03457597
- Testing
- Midazolam hydrochloride, Metoprolol tartrate, Pioglitazone hydrochloride
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Corcept Therapeutics
Drug Interactions
Open-Label, Multiple-Dose, Non-Randomized Study to Assess Drug-Drug Interactions of Proellex® in Female Subjects
This study will assess possible drug-drug interactions with specific isoenzymes over a total study duration of 6-8 weeks. Blood samples collected pre and post-dose, and urine samples collected post dose will be analyzed.
- Trial name
- NCT00741468
- Testing
- Proellex, CYP1A2 probe, CYP2C9 probe
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Repros Therapeutics Inc.
Healthy Volunteers
Study to Assess the Effect of Co-Administration of AZD9833 on the Pharmacokinetics of Midazolam, of Omeprazole, of Celecoxib and of Dabigatran Etexilate in Healthy Postmenopausal Female Volunteers
This study will be a fixed sequence drug-drug interaction study in healthy postmenopausal females, conducted at multiple study sites
- Trial name
- NCT05438303
- Testing
- AZD9833, Midazolam, Omeprazole
- Where
- 2 sites in United States
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
HIV Infections
Drug Interaction Study With Proton Pump Inhibitor
The purpose of this clinical research study is to assess the effect of omeprazole at 20 mg on the pharmacokinetics of atazanavir administered as atazanavir with ritonavir relative to atazanavir or atazanavir/ritonavir in the…
- Trial name
- NCT00357240
- Testing
- Atazanavir, Atazanavir/Ritonavir, Atazanavir/Ritonavir+Omeprazole
- Where
- United States
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Bristol-Myers Squibb
Stomach Ulcer, Gastroesophageal Reflux
Pharmacodynamics and Safety of CDFR0209
This is a randomized, open-label, two-way crossover study to investigate the pharmacodynamics(24 hour gastric pH) and the safety between repeated doses of CDFR0209 and Losec in Healthy Male Volunteers
- Trial name
- NCT02710994
- Testing
- CDFR0209, Losec
- Where
- South Korea
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Ajou University School of Medicine
Drug Interaction
Drug Interaction Study of ZYN002 Transdermal Gel and Probe Substrates
This study is an open-label drug-drug interaction (DDI) study of ZYN002 transdermal gel and multiple drugs.
- Trial name
- NCT06930872
- Testing
- Part 1, Part 2
- Where
- Australia
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Harmony Biosciences Management, Inc.
Metabolite
Study on the Effect of Atorvastatin Co-administered With Omeprazole on Statin Lactone
This is a 2-arm, prospective, randomized, parallel-group, open-label, longitudinal study that lasts 30 days for each study participant.
- Trial name
- SEACOL (NCT06690164)
- Testing
- Atorvastatin 40mg Tablet, Omeprazole 20mg Capsule
- Where
- Singapore
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- National University Hospital, Singapore