Drug Interaction Report
1 potential interaction and/or warning found for the following 2 drugs:
- tacrine
- Zejula (niraparib)
Interactions between your drugs
tacrine niraparib
Applies to: tacrine, Zejula (niraparib)
Coadministration with niraparib may decrease the plasma concentrations of drugs that are substrates of the CYP450 1A2 isoenzyme. At high concentrations, niraparib is able to weakly induce CYP450 1A2. If niraparib is used in combination with substrates of CYP450 1A2, particularly those with a narrow therapeutic range (e.g., clozapine, theophylline, ropinirole), then monitoring for signs and symptoms of reduced exposure to the CYP450 1A2 substrate should be considered.
References (6)
- (2023) "Product Information. Akeega (abiraterone-niraparib)." Janssen Biotech, Inc.
- (2023) "Product Information. Zejula (niraparib)." GlaxoSmithKline
- (2023) "Product Information. Zejula (niraparib)." GlaxoSmithKline Inc
- (2023) "Product Information. Akeega (abiraterone-niraparib)." Janssen Inc
- (2023) "Product Information. Zejula (niraparib)." GlaxoSmithKline Australia Pty Ltd
- (2023) "Product Information. Zejula (niraparib)." GlaxoSmithKline UK Ltd
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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