Drug Interaction Report
1 potential interaction and/or warning found for the following 2 drugs:
- pitolisant
- vinblastine
Interactions between your drugs
vinBLAStine pitolisant
Applies to: vinblastine, pitolisant
MONITOR: Coadministration with pitolisant may decrease the plasma concentrations of drugs that are primarily metabolized by CYP450 3A4. Pitolisant is a borderline/weak inducer of CYP450 3A4. When studied with midazolam, a probe substrate for CYP450 3A4, pitolisant was found to reduce midazolam peak plasma concentration (Cmax) and systemic exposure (AUC) by less than 25%.
MANAGEMENT: Caution is advised when pitolisant is used in combination with sensitive CYP450 3A4 substrates. Clinical and laboratory monitoring may be appropriate whenever pitolisant is added to or withdrawn from therapy, and dosage adjustments made if necessary. It may be advisable to avoid concomitant use of pitolisant and CYP450 3A4 substrates with a narrow therapeutic index, if possible.
References (2)
- Cerner Multum, Inc. "UK Summary of Product Characteristics."
- (2019) "Product Information. Wakix (pitolisant)." Harmony Biosciences, LLC
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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