Drug Interaction Report
1 potential interaction and/or warning found for the following 2 drugs:
- potassium bitartrate / sodium bicarbonate
- vismodegib
Interactions between your drugs
sodium bicarbonate vismodegib
Applies to: potassium bitartrate / sodium bicarbonate, vismodegib
The solubility of vismodegib is known to be pH-dependent (0.1 mcg/mL at pH 7 and 0.99 mg/mL at pH 1) and drugs that alter the pH of the upper gastrointestinal tract may affects its solubility and reduce its bioavailability. However, a clinically significant pharmacokinetic effect has not been observed, with results from a clinical study showing a 33% reduction in the unbound drug concentrations of vismodegib after 7 days of concomitant therapy with the proton pump inhibitor rabeprazole (20 mg, given 2 hours before each vismodegib administration).
References (3)
- Cerner Multum, Inc. "UK Summary of Product Characteristics."
- Cerner Multum, Inc. "Australian Product Information."
- (2012) "Product Information. Erivedge (vismodegib)." Genentech
Drug and food interactions
No alcohol/food interactions were found with the drugs in your list. However, this does not necessarily mean no food interactions exist. Always consult your healthcare provider.
Therapeutic duplication warnings
No duplication warnings were found for your selected drugs.
Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.
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Drug Interaction Classification
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
| No interaction information available. |
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Further information
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