CYP2C19 Genotype Predictor of Gastric Acid Suppression
Overview
Tab Title Description
Study type
InterventionalDescribes the nature of a clinical study. Types include:
- Observational study — observes people and measures outcomes without affecting results.
- Interventional study (clinical trial) — studies new tests, treatments, drugs, surgical procedures or devices.
- Medical records research — uses historical information collected from medical records of large groups of people to study how diseases progress and which treatments and surgeries work best.
Study IDs
Site IRB
- Rochester, Minnesota: 12-008053
NCT ID: NCT01824199
Sponsor Protocol Number: 12-008053
About this study
If CYP2C19 genotype can predict the efficacy of healing erosive esophagitis and gastric acid secretion in patients taking once a day omeprazole.
Participation eligibility
Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.
Inclusion criteria:
- Age 18 or older
- Have either mild-to-moderate Los Angeles (LA) Classification System grade B, moderately severe LA grade C, or severe LA grade D erosive reflux esophagitis
- Or patients having a clinically indicated pH/impedance monitoring on proton pump inhibitor therapy for indications of gastroesophageal reflux disease
Exclusion criteria:
- Neoplasm of the esophagus or stomach
- Use of drugs that interfere with CYP2C19 metabolism: Diazepam, phenytoin, amitriptyline, clomipramine, clopidogrel Cyclophosphamide, progesterone, fluoxetine, fluvoxamine, ketoconazole Lansoprazole, omeprazole, ticlopidine
- Evidence of active H. pylori infection
- Inability to read due to: Blindness, cognitive dysfunction, or English language illiteracy
- Disorders which predispose to unreliable responses such as Schizophrenia, Alzheimer's disease or significant memory loss
Participating Mayo Clinic locations
Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.
Mayo Clinic Location |
Status |
|
Rochester, Minn.
Mayo Clinic principal investigator David Katzka, M.D. |
Closed for enrollment |
|
More information
Publications
Publications are currently not available