Drug interactions
Dasatinib + Lansoprazole
Severity: Major
Dasatinib and Lansoprazole: major interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Dasatinib solubility is pH-dependent, and PPIs significantly reduce its absorption and exposure, which may compromise treatment of leukemia.
What this interaction means in plain words
Dasatinib and Lansoprazole can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Dasatinib belongs to Oncology; Lansoprazole belongs to Gastrointestinal Tract.
Why it happens
Raised gastric pH reduces dissolution and absorption of dasatinib.
What to do
Avoid PPIs with dasatinib. Use a short-acting antacid given at least 2 hours before or after dasatinib, or an H2 blocker timed carefully, if acid suppression is needed.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Lansoprazole
- Lansoprazole + Mavacamten Contraindicated
- Lansoprazole + Rilpivirine Contraindicated
- Acalabrutinib + Lansoprazole Major
- Atazanavir + Lansoprazole Major
- Dacomitinib + Lansoprazole Major
- Erlotinib + Lansoprazole Major
Other interactions of Dasatinib
- Dasatinib + Saquinavir Contraindicated
- Dasatinib + Thioridazine Contraindicated
- Adagrasib + Dasatinib Major
- Amiodarone + Dasatinib Major
- Amisulpride + Dasatinib Major
- Amitriptyline + Dasatinib Major
Frequently asked questions
Can I take Dasatinib with Lansoprazole?
MediHelp rates the interaction as major. Dasatinib and Lansoprazole can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Dasatinib solubility is pH-dependent, and PPIs significantly reduce its absorption and exposure, which may compromise treatment of leukemia.
How serious is the interaction between Dasatinib and Lansoprazole?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid PPIs with dasatinib. Use a short-acting antacid given at least 2 hours before or after dasatinib, or an H2 blocker timed carefully, if acid suppression is needed.
What other medicines interact with Lansoprazole?
MediHelp also lists interactions of Lansoprazole with, for example, Mavacamten, Rilpivirine, Acalabrutinib. The full list is on the Lansoprazole page.
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