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Drug Interactions between alpelisib and Skelid

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

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Interactions between your drugs

Moderate

tiludronate alpelisib

Applies to: Skelid (tiludronate) and alpelisib

MONITOR: Coadministration of alpelisib with bisphosphonates or denosumab may increase the risk of developing osteonecrosis of the jaw (ONJ). The condition can occur spontaneously and is generally associated with tooth extraction and/or local infection with delayed healing, particularly in the presence of other risk factors including cancer, chemotherapy, radiotherapy to the head and neck, poor oral hygiene, preexisting dental disease or infection, anemia, or coagulopathy.

MANAGEMENT: Caution is advised when alpelisib is used simultaneously or sequentially with bisphosphonates or denosumab. Treatment should not be initiated in patients with ongoing ONJ from previous or concurrent treatment with bisphosphonates or denosumab. A routine oral examination should be performed by the prescriber prior to initiation of alpelisib treatment. For patients requiring invasive dental procedures, clinical judgment and risk-benefit assessment should guide the management plan of each patient based on their clinical circumstances. Patients should be advised to seek medical attention if they experience signs and symptoms of ONJ, such as: pain in the mouth, teeth, or jaw; swelling or sores inside the mouth; numbness or a feeling of heaviness in the jaw; loosening of a tooth; or exposure of bone in the jaw. Standard medical management should be initiated in patients who develop ONJ.

References

  1. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  2. (2019) "Product Information. Piqray (alpelisib)." Novartis Pharmaceuticals

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Drug and food interactions

Moderate

tiludronate food

Applies to: Skelid (tiludronate)

ADJUST DOSING INTERVAL: Food significantly decreases the bioavailability of tiludronate. The manufacturer reports up to a 90% decrease in bioavailability when administered with or 2 hours after a standard breakfast. Clinical efficacy, however, was demonstrated when tiludronate was taken 2 hours before or after meals.

MANAGEMENT: Tiludronate should be administered with 6 to 8 ounces of plain water at least 2 hours before or 2 hours after food.

References

  1. "Product Information. Skelid (tiludronate)." Sanofi Winthrop Pharmaceuticals

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Moderate

alpelisib food

Applies to: alpelisib

ADJUST DOSING INTERVAL: Food significantly enhances the oral absorption and bioavailability of alpelisib. When administered with a high-fat high-calorie meal (985 calories with 58.1 g of fat) or a low-fat low-calorie meal (334 calories with 8.7 g of fat) the AUC and Cmax of a single dose of alpelisib was increased by 73% and 84% and 77% and 145%, respectively. There were no clinically significant differences in alpelisib AUC between the two types of meals. In addition, food appears to have a more pronounced effect on the solubility of alpelisib than gastric pH. When coadministered with a single 300 mg dose of alpelisib, ranitidine decreased the absorption and overall exposure of alpelisib. Following administration of ranitidine with a low-fat low-calorie meal, the mean AUC and Cmax of alpelisib was decreased by 21% and 36%, respectively. Administration of ranitidine under fasting conditions reduced the mean AUC and Cmax of alpelisib by 30% and 51%, respectively.

MANAGEMENT: To ensure maximal oral absorption, alpelisib should be administered with a meal.

References

  1. (2019) "Product Information. Piqray (alpelisib)." Novartis Pharmaceuticals

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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.

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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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