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Drug Interactions between eltrombopag and Tricosal

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

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Interactions between your drugs

Moderate

choline salicylate magnesium salicylate

Applies to: Tricosal (choline salicylate / magnesium salicylate) and Tricosal (choline salicylate / magnesium salicylate)

GENERALLY AVOID: Concomitant use of more than one salicylate at a time may increase the potential for gastrointestinal adverse effects (e.g., inflammation, pain, bleeding, ulceration) and bruising or bleeding.

MANAGEMENT: Concomitant use of more than one salicylate at a time should generally be avoided. Patients treated with a salicylate should be advised to take it with food and to immediately report signs and symptoms of GI ulceration and bleeding such as severe abdominal pain, dizziness, lightheadedness, and the appearance of black, tarry stools.

References

  1. "Product Information. Pepto-Bismol (bismuth subsalicylate)." Procter and Gamble Pharmaceuticals PROD (2001):
  2. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0

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Moderate

magnesium salicylate eltrombopag

Applies to: Tricosal (choline salicylate / magnesium salicylate) and eltrombopag

ADJUST DOSING INTERVAL: Products containing aluminum, calcium, iron, magnesium, zinc and other polyvalent cations such as antacids or mineral supplements can significantly reduce the gastrointestinal absorption of eltrombopag due to chelation. In one clinical trial, administration of a single 75 mg dose of eltrombopag with an antacid containing 1524 mg aluminum hydroxide and 1425 mg magnesium carbonate resulted in an approximately 70% decrease in eltrombopag peak plasma concentration (Cmax) and systemic exposure (AUC).

MANAGEMENT: Eltrombopag should be taken on an empty stomach at least 2 hours before or 4 hours after oral medications that contain antacids (e.g., didanosine buffered tablets or pediatric oral solution), aluminum, calcium, iron, magnesium, zinc or other polyvalent cations.

References

  1. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  2. "Product Information. Promacta (eltrombopag)." GlaxoSmithKline (2008):

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Drug and food interactions

Moderate

eltrombopag food

Applies to: eltrombopag

ADJUST DOSING INTERVAL: Food may reduce the oral bioavailability of eltrombopag. In healthy volunteers, a standard high-fat breakfast significantly decreased plasma eltrombopag peak plasma concentration (Cmax) by 65% and systemic exposure (AUC) by 59% and delayed Tmax by one hour. The calcium content of this meal may have also contributed to this decrease in exposure. In another study, adult subjects administered a single 25 mg dose of eltrombopag for oral suspension with a high-calcium, moderate-fat, moderate-calorie meal exhibited a 79% decrease in Cmax and 75% decrease in AUC of eltrombopag. Administration of eltrombopag 2 hours after the high-calcium meal decreased eltrombopag Cmax by 48% and AUC by 47%, while administration 2 hours before the high-calcium meal decreased eltrombopag Cmax by 14% and AUC by 20%.

ADJUST DOSING INTERVAL: Polyvalent cations such as aluminum, calcium, iron, magnesium, and zinc can significantly reduce the gastrointestinal absorption of eltrombopag due to chelation. In one clinical trial, administration of a single 75 mg dose of eltrombopag with an antacid containing 1524 mg aluminum hydroxide and 1425 mg magnesium carbonate resulted in an approximately 70% decrease in eltrombopag Cmax and AUC.

MANAGEMENT: Eltrombopag should be taken on an empty stomach one hour before or two hours after a meal. Additionally, eltrombopag should be taken at least 2 hours before or 4 hours after any products that contain polyvalent cations such as antacids, mineral supplements, dairy products, and fortified juices.

References

  1. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  2. "Product Information. Promacta (eltrombopag)." GlaxoSmithKline (2008):

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Moderate

magnesium salicylate food

Applies to: Tricosal (choline salicylate / magnesium salicylate)

GENERALLY AVOID: The concurrent use of aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs) and ethanol may lead to gastrointestinal (GI) blood loss. The mechanism may be due to a combined local effect as well as inhibition of prostaglandins leading to decreased integrity of the GI lining.

MANAGEMENT: Patients should be counseled on this potential interaction and advised to refrain from alcohol consumption while taking aspirin or NSAIDs.

References

  1. "Product Information. Motrin (ibuprofen)." Pharmacia and Upjohn PROD (2002):

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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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