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Drug Interactions between Advicor and mitotane

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

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Interactions between your drugs

Major

lovastatin niacin

Applies to: Advicor (lovastatin / niacin) and Advicor (lovastatin / niacin)

The following interaction applies only if you are taking high dosages of niacin for the treatment of high cholesterol. It does not apply if you are taking niacin at dosages commonly used in nutritional supplements.

Using lovastatin together with niacin may increase the risk of a rare but serious condition called rhabdomyolysis that involves the breakdown of skeletal muscle tissue. In some cases, rhabdomyolysis can cause kidney damage and even death. The risk is greatest if you are elderly or have preexisting kidney disease. Talk to your doctor if you have any questions or concerns. Your doctor may already be aware of the risks, but has determined that this is the best course of treatment for you and has taken appropriate precautions and is monitoring you closely for any potential complications. Let your doctor know immediately if you have unexplained muscle pain, tenderness, or weakness during treatment with lovastatin or similar medications, especially if these symptoms are accompanied by fever or dark colored urine. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Moderate

lovastatin mitotane

Applies to: Advicor (lovastatin / niacin) and mitotane

Consumer information for this interaction is not currently available.

MONITOR: Coadministration with mitotane, a potent CYP450 3A4 inducer, may decrease the plasma concentrations and therapeutic efficacy of drugs that are substrates of the CYP450 3A4 isoenzyme. In one pilot study of 5 adult patients with adrenocortical carcinoma, etoposide clearance was 2-fold higher with concomitant mitotane (doses determined by patient-specific trough plasma levels) than after mitotane discontinuation, and 2.5-fold higher than the reference population of patients who received etoposide alone.

MANAGEMENT: Caution is advised when mitotane is used concomitantly with drugs that are substrates of CYP450 3A4, particularly sensitive substrates or those with a narrow therapeutic range. Monitoring for potential loss of therapeutic efficacy is recommended. According to product labeling, enzyme induction is likely to persist after the discontinuation of mitotane treatment. The prescribing information for concomitant medications may be consulted to assess the benefits versus risks of coadministration, as well as any dosage adjustments that may be required during coadministration and/or following the discontinuation of a potent CYP450 3A4 inducer.

References

  1. Jouinot A, Royer B, Chatelut E, Moeung S, Assie G, Thomas-Schoemann A, et al. "Pharmacokinetic interaction between mitotane and etoposide in adrenal carcinoma: a pilot study https://pubmed.ncbi.nlm.nih.gov/30533000/" (2023):
  2. "Product Information. Lysodren (mitotane)." HRA Pharma America (2023):
  3. "Product Information. Lysodren (mitotane)." Medunik Canada (2023):
  4. "Product Information. Lysodren (mitotane)." HRA Pharma UK & Ireland Ltd (2023):
View all 4 references

Drug and food interactions

Major

lovastatin food

Applies to: Advicor (lovastatin / niacin)

Grapefruit juice can significantly increase the blood levels of lovastatin. This can increase the risk of side effects such as liver damage and a rare but serious condition called rhabdomyolysis that involves the breakdown of skeletal muscle tissue. In some cases, rhabdomyolysis can cause kidney damage and even death. You should avoid the consumption of grapefruit or grapefruit juice during treatment with lovastatin. Drinking green tea or taking green tea extracts may also increase the blood levels of lovastatin in some patients. Talk to your doctor or pharmacist if you have any questions or concerns. It may be advisable to avoid excessive consumption of green tea and green tea products while on lovastatin. Let your doctor know immediately if you have unexplained muscle pain, tenderness, or weakness during treatment, especially if these symptoms are accompanied by fever or dark colored urine. You should also seek immediate medical attention if you develop fever, chills, joint pain or swelling, unusual bleeding or bruising, skin rash, itching, loss of appetite, fatigue, nausea, vomiting, dark colored urine, and/or yellowing of the skin or eyes, as these may be signs and symptoms of liver damage. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Moderate

mitotane food

Applies to: mitotane

Consumer information for this interaction is not currently available.

ADJUST DOSING INTERVAL: Fat-rich food enhances the absorption of mitotane. One study evaluated blood levels of mitotane (o,p'-DDD) after subjects ingested a single dose of 2 g administered using various delivery vehicles (e.g., tablets, granules, milk, chocolate or oil emulsion). Mitotane plasma levels were significantly higher for milk, chocolate, and oil emulsion when compared to those who received tablets or granules alone. In the same study, mitotane levels were evaluated in subjects following long-term treatment (total dose of 200 g over 30 to 60 days) in tablet, oil emulsion, or milk formulations. Significantly higher mean plasma levels were recorded in subjects who received mitotane as an oil emulsion or mixed in milk, when compared to tablets alone. Additionally, the recovery of o,p'-DDD from the feces was about 5 times higher in subjects who received tablets alone, suggesting absorption was reduced when compared to subjects who received mitotane mixed with a fat-rich vehicle (e.g., oil emulsion or milk).

GENERALLY AVOID: Concomitant use of mitotane with central nervous system (CNS) depressants, including alcohol, may potentiate adverse effects such as somnolence and sedation.

MANAGEMENT: According to product labeling, mitotane tablets should be taken during meals containing fat-rich food (e.g., milk, chocolate, or oil) and with a full glass of water. Patients should be advised to avoid or limit consumption of alcohol and to avoid activities requiring mental alertness such as driving or operating hazardous machinery until they know how the medication affects them.

References

  1. "Product Information. Lysodren (mitotane)." HRA Pharma America (2023):
  2. "Product Information. Lysodren (mitotane)." Medunik Canada (2023):
  3. "Product Information. Lysodren (mitotane)." HRA Pharma UK & Ireland Ltd (2023):
  4. Moolenaar AJ, van Slooten H, van Seters AP, Smeenk D "Blood levels of o,p-DDD following administration in various vehicles after a single dose and during long-term treatment https://link.springer.com/article/10.1007/BF00258213" (2023):
View all 4 references
Moderate

lovastatin food

Applies to: Advicor (lovastatin / niacin)

Lovastatin may cause liver problems and using it with substantial quantities of ethanol may increase that risk. You should limit the use of alcohol while being treated with these medications. Call your doctor immediately if you have fever, chills, joint pain or swelling, unusual bleeding or bruising, skin rash, itching, loss of appetite, fatigue, nausea, vomiting, abdominal pain, dark urine, pale stools, and/or yellowing of the skin or eyes, as these may be signs and symptoms of liver damage. Talk to your doctor or pharmacist if you have any questions or concerns. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Moderate

niacin food

Applies to: Advicor (lovastatin / niacin)

Ask your doctor before using niacin together with ethanol. You should avoid drinking alcohol, it can increase some of the side effects of niacin. This can cause nausea, dizziness, itching, vomiting, upset stomach, and flushing (warmth, redness, or tingly feeling under your skin). Furthermore, consumption of large amounts of alcohol is associated with elevated cholesterol and triglycerides. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Minor

niacin food

Applies to: Advicor (lovastatin / niacin)

Information for this minor interaction is available on the professional version.

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.