Drug Interaction Report
2 potential interactions and/or warnings found for the following 2 drugs:
- bendamustine
- Cafcit (caffeine)
Interactions between your drugs
caffeine bendamustine
Applies to: Cafcit (caffeine), bendamustine
MONITOR: Coadministration with inhibitors of CYP450 1A2 may increase the plasma concentrations of bendamustine, which has been shown in vitro to be metabolized by the isoenzyme.
MANAGEMENT: Caution is advised if bendamustine is used in combination with CYP450 1A2 inhibitors. Close monitoring for toxicity (e.g., neutropenia, thrombocytopenia, anemia, leukopenia, infections, bleeding complications) is recommended, and the bendamustine dosage adjusted as necessary.
References (1)
- (2008) "Product Information. Treanda (bendamustine)." Cephalon Inc
Drug and food interactions
caffeine food
Applies to: Cafcit (caffeine)
The effect of grapefruit juice on the pharmacologic activity of caffeine is controversial. One report suggests that grapefruit juice increases the effect of caffeine. The proposed mechanism is inhibition of cytochrome P-450 metabolism of caffeine. However, a well-conducted pharmacokinetic/pharmacodynamic study did not demonstrate this effect. The clinical significance of this potential interaction is unknown.
References (2)
- (1995) "Grapefruit juice interactions with drugs." Med Lett Drugs Ther, 37, p. 73-4
- Maish WA, Hampton EM, Whitsett TL, Shepard JD, Lovallo WR (1996) "Influence of grapefruit juice on caffeine pharmacokinetics and pharmacodynamics." Pharmacotherapy, 16, p. 1046-52
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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