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Drug Interaction Report

2 potential interactions and/or warnings found for the following 2 drugs:

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Interactions between your drugs

Moderate

lomitapide secukinumab

Applies to: Juxtapid (lomitapide), Cosentyx (secukinumab)

Consumer information for this interaction is not currently available.

MONITOR: Plasma concentrations and effects of drugs that are CYP450 substrates may be altered following the initiation of interleukin (IL) inhibitors, tumor necrosis factor (TNF) blockers, or interferon (IFN) inhibitors in patients with chronic inflammatory diseases. The formation of hepatic CYP450 enzymes may be suppressed during infection and chronic inflammation by increased levels of certain cytokines (e.g., interleukins-1, -6, and -10; tumor necrosis factor alpha; interferons). Immunomodulating therapy that improves inflammation by targeting these cytokines may restore or normalize CYP450 enzyme levels resulting in increased or decreased metabolism of these substrates to active or inactive metabolites. The therapeutic target and disease state being treated may play a role in the significance of this interaction. The most evidence is currently for agents targeting the actions of IL-6 and in disease states with high levels of inflammation such as rheumatoid arthritis, rather than in patients with psoriasis and atopic dermatitis. In vitro studies showed that tocilizumab, an IL-6 inhibitor, has the potential to impact expression of various hepatic microsomal enzymes including CYP450 1A2, 2B6, 2C9, 2C19, 2D6, and 3A4. Its effects on CYP450 2C8 or transporters is unknown. In vivo studies with omeprazole (a substrate of CYP450 2C19 and 3A4) and simvastatin (a substrate of CYP450 3A4 and OATP 1B1) showed decreases of up to 28% and 57% in systemic exposure, respectively, one week following a single dose of tocilizumab. Likewise, simvastatin and simvastatin acid exposures decreased by 45% and 36%, respectively, in 17 patients with rheumatoid arthritis one week following a single 200 mg subcutaneous dose of sarilumab, another IL-6 inhibitor. A role for other interleukins such as IL-12, IL-17A, or IL-23 in the regulation of CYP450 enzymes has not been clearly established, and it is not known whether antagonists of these interleukins would similarly affect CYP450 metabolism. For example, in drug interaction studies, the IL-23 antagonists risankizumab and tildrakizumab, and the IL-17A antagonist ixekizumab demonstrated no clinically significant effects on the activity of CYP450 isoenzymes 1A2, 3A, 2C19, 2D6, or 2C9. Similarly, data evaluating this interaction are not available for the TNF blockers certolizumab and etanercept.

MANAGEMENT: Caution is advised when treatments targeting cytokines such as interleukins, tumor necrosis factors, or interferons are prescribed to patients receiving concomitant drugs that are CYP450 substrates, particularly those with narrow therapeutic ranges (e.g., antiarrhythmics, anticonvulsants, immunosuppressants, theophylline) or sensitive substrates where decreases in plasma levels may be significant or undesirable (e.g., oral contraceptives, statins, benzodiazepines, opioids). Clinical and/or laboratory monitoring should be considered following the initiation or withdrawal of such treatments, and the dosage(s) of the CYP450 substrate(s) adjusted accordingly. Clinicians should note that the effects of IL inhibitors, TNF blockers, and IFN inhibitors on CYP450 activities may persist for several weeks after stopping therapy. Individual product labeling for these products should be consulted for specific recommendations.

Drug and food interactions

Major

lomitapide food

Applies to: Juxtapid (lomitapide)

Taking lomitapide with food may increase gastrointestinal side effects such as diarrhea, nausea, vomiting, stomach pain or discomfort, constipation, indigestion, and gas. The absorption of any other oral medication you may take can be affected if you develop diarrhea or vomiting. To reduce the risk of gastrointestinal intolerance, lomitapide should be taken once daily with a glass of water, without food, at least 2 hours after the evening meal. You should also follow a low-fat diet (<20% of total calories from fat) during treatment with lomitapide, and avoid the consumption of grapefruit or grapefruit juice. Since lomitapide may cause injury to the liver, you should have no more than one alcoholic drink per day. 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 colored urine, light colored stools, 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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Therapeutic duplication warnings

No duplication 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.

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Further information

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