What Pantoprazole does
Pantoprazole is a PPI similar in efficacy to omeprazole but with fewer drug-drug interactions because it has less CYP2C19 inhibition. It's often preferred in hospitalized patients and in those on clopidogrel.
What the evidence says for Black patients
Same class concerns as omeprazole. The main prescribing point relevant to Black patients is that pantoprazole has less CYP2C19 inhibition than omeprazole, so pantoprazole is often preferred when a patient is on clopidogrel. Given that Black patients carry a somewhat higher proportion of CYP2C19 loss-of-function alleles, this choice is modestly more favorable.
Long-term PPI risks apply. Same deprescribing rationale.
How your genes can change this drug
Some people process pantoprazole differently because of an inherited gene variant, and the difference is large enough that prescribing guidelines address it. The recommendations below are published by CPIC, the Clinical Pharmacogenetics Implementation Consortium, and are quoted as written. They are guidance for prescribers, not instructions to change your own dose.
Increase starting daily dose by 100%. Daily dose may be given in divided doses. Monitor for efficacy. Initiate standard starting daily dose. Consider increasing dose by 50-100% for the treatment of H. pylori infection and erosive esophagitis. Daily dose may be given in divided doses. Monitor for efficacy. Initiate standard starting daily dose. For chronic therapy (>12 weeks) and efficacy achieved, consider 50% reduction in daily dose and monitor for continued efficacy. No recommendation
Genetic testing for these variants is available but is not routine. If you have had a reaction to this drug, or it has not worked for you, this is worth raising with your prescriber. Do not stop or change a prescription on your own.
Common alternatives
Omeprazole, esomeprazole, rabeprazole, lansoprazole, all PPIs. H2-blockers.
Side effects
- Same profile as omeprazole, see that page
Factors that affect adherence
Take 30 minutes before breakfast. Generic pantoprazole is inexpensive. Reassess need at least annually.
Questions to ask your doctor
Bring this list to your next appointment.
- Do I still need this?
- If I'm on clopidogrel, is pantoprazole the right choice compared to omeprazole?
- What's the plan for trying to come off?
References
- Freedberg DE, Kim LS, Yang YX. The risks and benefits of long-term use of proton pump inhibitors: AGA expert review. Gastroenterology. 2017;152:706 to 715.
- U.S. Food and Drug Administration. Protonix (pantoprazole sodium) label. https://www.accessdata.fda.gov/drugsatfda_docs/label/2012/020987s046,022020s017lbl.pdf
Medical disclaimer
This page is patient education, not prescribing guidance. It summarizes the published evidence about how this medication has been studied in Black patients, it is not a substitute for the judgment of your personal clinician. Never start, stop, or change a prescription based on something you read here. If you have questions about your medication, call your prescriber or pharmacist. For emergencies, call 911.
Read our editorial standards for how we source, review, and update these pages.