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Drug Interactions between Clenpiq and dabrafenib

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

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Interactions between your drugs

Moderate

magnesium oxide dabrafenib

Applies to: Clenpiq (citric acid/magnesium oxide/sodium picosulfate) and dabrafenib

MONITOR: Drugs that alter the pH of the upper gastrointestinal tract may affect the solubility of dabrafenib and reduce its bioavailability. The interaction has not been formally studied with H2-receptor antagonists or antacids; however, the solubility of dabrafenib is known to be pH-dependent. It has been reported to be very slightly soluble at pH 1 and practically insoluble above pH 4 in aqueous media.

MANAGEMENT: Until more information is available, caution is advised if dabrafenib is used in combination with H2-receptor antagonists or antacids. The potential for diminished therapeutic effects of dabrafenib should be considered, and pharmacologic response should be closely monitored.

References

  1. (2001) "Product Information. Zantac (ranitidine)." Glaxo Wellcome
  2. (2001) "Product Information. Prevacid (lansoprazole)." TAP Pharmaceuticals Inc
  3. (2001) "Product Information. Aciphex (rabeprazole)." Janssen Pharmaceuticals
  4. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  5. Cerner Multum, Inc. "Australian Product Information."
  6. (2011) "Product Information. Dexilant (dexlansoprazole)." Takeda Pharmaceuticals America
  7. (2013) "Product Information. Tafinlar (dabrafenib)." GlaxoSmithKline
View all 7 references

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Drug and food interactions

Moderate

sodium picosulfate food

Applies to: Clenpiq (citric acid/magnesium oxide/sodium picosulfate)

ADJUST DOSING INTERVAL: Bowel cleansing products can increase the gastrointestinal transit rate. Oral medications administered within one hour of the start of administration of the bowel cleansing solution may be flushed from the gastrointestinal tract and not properly absorbed.

MANAGEMENT: Patients should be advised that absorption of oral medications may be impaired during bowel cleansing treatment. Oral medications (e.g., anticonvulsants, oral contraceptives, antidiabetic agents, antibiotics) should not be administered during and within one hour of starting bowel cleansing treatment whenever possible. However, if concomitant use cannot be avoided, monitoring for reduced therapeutic effects may be advisable.

References

  1. "Product Information. Golytely (polyethylene glycol 3350 with electrolytes)." Braintree
  2. (2022) "Product Information. Prepopik (citric acid/Mg oxide/Na picosulfate)." Ferring Pharmaceuticals Inc

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Moderate

dabrafenib food

Applies to: dabrafenib

ADJUST DOSING INTERVAL: Food may reduce as well as delay the absorption of dabrafenib. In study subjects, administration of dabrafenib with a high-fat meal decreased peak plasma concentration (Cmax) and systemic exposure (AUC) by 51% and 31%, respectively, and delayed median Tmax by approximately 3.6 hours compared to administration in the fasted state.

MANAGEMENT: Dabrafenib should be taken at least 1 hour before or 2 hours after a meal.

References

  1. (2013) "Product Information. Tafinlar (dabrafenib)." GlaxoSmithKline

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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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