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Drug Interactions between dexamethasone / moxifloxacin and nirogacestat

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

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Interactions between your drugs

Major

dexAMETHasone moxifloxacin

Applies to: dexamethasone / moxifloxacin and dexamethasone / moxifloxacin

MONITOR CLOSELY: Concomitant administration of corticosteroids may potentiate the risk of tendinitis and tendon rupture associated with fluoroquinolone treatment. The mechanism is unknown. Tendinitis and tendon rupture have most frequently involved the Achilles tendon, although cases involving the rotator cuff (the shoulder), the hand, the biceps, and the thumb have also been reported. Some have required surgical repair or resulted in prolonged disability. Tendon rupture can occur during or up to several months after completion of fluoroquinolone therapy.

MANAGEMENT: Caution is recommended if fluoroquinolones are prescribed in combination with corticosteroids, particularly in patients with other concomitant risk factors (e.g., age over 60 years; recipient of kidney, heart, and/or lung transplant). Patients should be advised to stop taking the fluoroquinolone, avoid exercise and use of the affected area, and promptly contact their physician if they experience pain, swelling, or inflammation of a tendon. In general, fluoroquinolones should only be used to treat conditions that are proven or strongly suspected to be caused by bacteria and only if the benefits outweigh the risks.

References (7)
  1. (2002) "Product Information. Cipro (ciprofloxacin)." Bayer
  2. (2001) "Product Information. Levaquin (levofloxacin)." Ortho McNeil Pharmaceutical
  3. (2001) "Product Information. Avelox (moxifloxacin)." Bayer
  4. Khaliq Y, Zhanel GG (2003) "Fluoroquinolone-Associated Tendinopathy: A Critical Review of the Literature." Clin Infect Dis, 36, p. 1404-1410
  5. van der Linden PD, Sturkenboom MC, Herings RM, Leufkens HM, Rowlands S, Stricker BH (2003) "Increased risk of achilles tendon rupture with quinolone antibacterial use, especially in elderly patients taking oral corticosteroids." Arch Intern Med, 163, p. 1801-7
  6. FDA. U.S. Food and Drug Administration (2008) Information for Healthcare Professionals. Fluoroquinolone Antimicrobial Drugs. FDA Alert [7/8/2008]. http://www.fda.gov/cder/drug/InfoSheets/HCP/fluoroquinolonesHCP.htm
  7. (2017) "Product Information. Baxdela (delafloxacin)." Melinta Therapeutics, Inc.
Major

dexAMETHasone nirogacestat

Applies to: dexamethasone / moxifloxacin and nirogacestat

GENERALLY AVOID: Coadministration with moderate to potent CYP450 3A4 inducers may significantly decrease the plasma concentration and pharmacologic effects of nirogacestat, which is primarily metabolized by the isoenzyme. Coadministration of multiple doses of nirogacestat (150 mg twice daily) with the potent CYP450 3A4 inducer rifampin is predicted to decrease the systemic exposure (AUC) of nirogacestat by 85%. In addition, administration of multiple doses of nirogacestat (150 mg twice daily) with the moderate CYP450 3A4 inducer efavirenz is predicted to decrease the AUC of nirogacestat by 67%. Reduced therapeutic efficacy of nirogacestat may occur.

MANAGEMENT: According to the manufacturer, concomitant use of nirogacestat with moderate to potent CYP450 3A4 inducers should be avoided.

References (1)
  1. (2023) "Product Information. Ogsiveo (nirogacestat)." SpringWorks Therapeutics, Inc.

Drug and food interactions

Major

nirogacestat food

Applies to: nirogacestat

GENERALLY AVOID: Grapefruit, grapefruit juice, Seville oranges, and starfruit may significantly increase the plasma concentrations and pharmacologic effects of nirogacestat. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in these fruits. Coadministration of multiple doses of nirogacestat (150 mg twice daily) with the moderate CYP450 3A4 inhibitors erythromycin and fluconazole are predicted to increase the AUC of nirogacestat by 2.73-fold and 3.18-fold, respectively. The interaction has not been studied with grapefruit, Seville oranges, or starfruit. 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. Increased systemic exposure to nirogacestat may increase the risk of adverse effects including diarrhea, ovarian toxicity, hepatotoxicity, electrolyte abnormalities, and non-melanoma skin cancers.

MANAGEMENT: Patients treated with nirogacestat should avoid consumption of grapefruit, grapefruit juice, Seville oranges, starfruit, or any supplement containing grapefruit.

References (1)
  1. (2023) "Product Information. Ogsiveo (nirogacestat)." SpringWorks Therapeutics, Inc.

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

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