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Drug Interactions between samarium sm 153 lexidronam and upadacitinib

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

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Interactions between your drugs

Major

samarium sm 153 lexidronam upadacitinib

Applies to: samarium sm 153 lexidronam and upadacitinib

GENERALLY AVOID: Theoretical concerns exist that chemotherapeutic agents and other bone marrow depressants may potentiate the myelosuppressive effects of samarium sm 153 lexidronam. In clinical trials, white blood cell and platelet counts decreased to a nadir of approximately 40% to 50% of baseline in 95% of patients within three to five weeks after administration of samarium sm 153 lexidronam, and tended to return to pretreatment levels by eight weeks. The potential for additive bone marrow toxicity with myelotoxic treatments including chemotherapy or external beam radiation has not been studied.

MANAGEMENT: The manufacturer recommends avoiding concomitant use of samarium sm 153 lexidronam with chemotherapy or external beam radiation therapy unless benefits are anticipated to outweigh the risks. Moreover, samarium sm 153 lexidronam should not be given after either of these treatments until there has been time for adequate marrow recovery. Caution and close monitoring of bone marrow function are advisable if coadministration with other myelotoxic agents is required. Patients should be advised to contact their physician if they develop signs and symptoms of myelosuppression such as pallor, dizziness, fatigue, lethargy, fainting, unusual bleeding or bruising, or signs of infection such as fever, chills, diarrhea, sore throat, muscle aches, shortness of breath, blood in phlegm, weight loss, red or inflamed skin, body sores, and pain or burning during urination.

References

  1. (2001) "Product Information. Quadramet (samarium sm 153 lexidronam)." Berlex Laboratories
  2. EMEA. European Medicines Agency (2007) EPARs. European Union Public Assessment Reports. http://www.ema.europa.eu/ema/index.jsp?curl=pages/includes/medicines/medicines_landingpage.jsp&mid

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Drug and food interactions

Major

upadacitinib food

Applies to: upadacitinib

GENERALLY AVOID: Grapefruit, grapefruit juice or supplements containing grapefruit may increase the plasma concentrations of upadacitinib. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in these fruits. Inhibition of hepatic CYP450 3A4 may also contribute. The interaction has not been studied with grapefruit. In study subjects, administration with the potent CYP450 3A4 inhibitor ketoconazole increased upadacitinib peak plasma concentration (Cmax) and systemic exposure (AUC) by 70% and 75%, respectively. In general, the effect of grapefruit juice is concentration-, dose- and preparation-dependent, and can vary widely among brands. Certain preparations of grapefruit juice (e.g., high dose, double strength) have sometimes demonstrated potent inhibition of CYP450 3A4, while other preparations (e.g., low dose, single strength) have typically demonstrated moderate inhibition. Upadacitinib side effects including lymphopenia, neutropenia, anemia, serious infections, and hyperlipidemia may be increased.

MONITOR CLOSELY: Smoking during treatment with upadacitinib may increase the risk of major adverse cardiovascular events (MACE) and the risk of developing malignancies. During upadacitinib clinical studies, current or past smokers had an additional increased risk of overall malignancies. Also, upadacitinib may increase patients' risk of MACE, including myocardial infarction, stroke, and cardiovascular death.

MANAGEMENT: The manufacturer advises that concomitant use of upadacitinib with grapefruit, grapefruit juice, or supplements containing grapefruit should be avoided. Caution is advised if upadacitinib is prescribed to current or past smokers. Patients should be informed about the symptoms of serious cardiovascular events and the steps to take if they occur. The manufacturer recommends discontinuing upadacitinib in patients who have experienced a myocardial infarction or stroke.

References

  1. (2022) "Product Information. Rinvoq (upadacitinib)." AbbVie Pty Ltd, 7
  2. (2022) "Product Information. Rinvoq (upadacitinib)." AbbVie US LLC

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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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