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Drug Interactions between Invega Trinza and VP-Precip

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Minor

evening primrose paliperidone

Applies to: VP-Precip (bilberry / evening primrose / flax) and Invega Trinza (paliperidone)

Some clinicians have suggested that evening primrose and borage oil, both of which contain the omega-6 fatty acid gamma linolenic acid (GLA), may lower the seizure threshold and increase the risk of seizures during co-administration with other epileptogenic agents. However, data regarding the effect of gamma linolenic acid on seizure threshold are conflicting and limited.

References

  1. Miller LG "Herbal medicinals: selected clinical considerations focusing on known or potential drug-herb interactions." Arch Intern Med 158 (1998): 2200-11
  2. Therapeutic Research Faculty "Natural Medicines Comprehensive Database. http://www.naturaldatabase.com" (2008):
  3. N. A. Michael Eskin "Borage and evening primrose oil." European Journal of Lipid Science and Technology 110 (2008): 1
  4. Asadi-Samani M, Bahmani M, Rafieian-Kopaei M "The chemical composition, botanical characteristic and biological activities of Borago officinalis: a review." Asian Pac J Trop Med 7S1 (2014): S22-8
View all 4 references

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Drug and food interactions

Moderate

paliperidone food

Applies to: Invega Trinza (paliperidone)

GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of paliperidone. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills.

Administration with food may increase the bioavailability of paliperidone from the extended release tablets. In healthy ambulatory subjects, administration of a 12 mg paliperidone extended release tablet with a standard high-fat/high-caloric meal resulted in 60% and 54% increases, respectively, in the mean peak plasma concentration (Cmax) and area under the concentration-time curve (AUC) of paliperidone compared to administration under fasting conditions. The clinical significance of these changes is unknown.

MANAGEMENT: Patients receiving paliperidone should be advised to avoid the consumption of alcohol. Since clinical trials establishing the safety and efficacy of paliperidone were carried out without regard to the timing of meals, presumably paliperidone may be administered with or without food.

References

  1. "Product Information. Invega (paliperidone)." Janssen Pharmaceuticals (2007):

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Therapeutic duplication warnings

No 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.

See also

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor 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.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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