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Drug Interactions between ivosidenib and sparfloxacin

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

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Interactions between your drugs

Major

sparfloxacin ivosidenib

Applies to: sparfloxacin and ivosidenib

CONTRAINDICATED: Sparfloxacin may cause dose-related prolongation of the QT interval in some patients. Theoretically, coadministration with other agents that can prolong the QT interval may result in additive effects and increased risk of ventricular arrhythmias including torsade de pointes and sudden death. Torsade de pointes has been reported in a few patients receiving sparfloxacin alone and with antiarrhythmic agents like amiodarone and disopyramide.

MANAGEMENT: Coadministration of sparfloxacin with other drugs that can prolong the QT interval is considered contraindicated.

References (21)
  1. Thomas M, Maconochie JG, Fletcher E (1996) "The dilemma of the prolonged QT interval in early drug studies." Br J Clin Pharmacol, 41, p. 77-81
  2. Jaillon P, Morganroth J, Brumpt I, Talbot G (1996) "Overview of electrocardiographic and cardiovascular safety data for sparfloxacin. Sparfloxacin Safety Group." J Antimicrob Chemother, 37(suppl a), p. 161-7
  3. Zix JA, GeerdesFenge HF, Rau M, Vockler J, Borner K, Koeppe P, Lode H (1997) "Pharmacokinetics of sparfloxacin and interaction with cisapride and sucralfate." Antimicrob Agents Chemother, 41, p. 1668-72
  4. (2001) "Product Information. Zagam (sparfloxacin)." Rhone Poulenc Rorer
  5. Demolis JL, Charransol A, Funck-Brentano C, Jaillon P (1996) "Effects of a single oral dose of sparfloxacin on ventricular repolarization in healthy volunteers." Br J Clin Pharmacol, 41, p. 499-503
  6. Dupont H, Timsit JF, Souweine B, Gachot B, Wolff M, Regnier B (1996) "Torsades de pointe probably related to sparfloxacin." Eur J Clin Microbiol Infect Dis, 15, p. 350-1
  7. Lipsky BA, Dorr MB, Magner DJ, Talbot GH (1999) "Safety profile of sparfloxacin, a new fluoroquinolone antibiotic." Clin Ther, 21, p. 148-59
  8. Owens RC (2001) "Risk assessment for antimicrobial agent-induced QTc interval prolongation and torsades de pointes." Pharmacotherapy, 21, p. 301-19
  9. Iannini PB, Doddamani S, Byazrova E, Curciumaru I, Kramer H (2001) "Risk of torsades de pointes with non-cardiac drugs." BMJ, 322, p. 46-7
  10. Ball P (2000) "Quinolone-induced QT interval prolongation: a not-so-unexpected class effect." J Antimicrob Chemother, 45, p. 557-9
  11. Kang J, Wang L, Chen XL, Triggle DJ, Rampe D (2001) "Interactions of a series of fluoroquinolone antibacterial drugs with the human cardiac K+ channel HERG." Mol Pharmacol, 59, p. 122-6
  12. Oliphant CM, Green GM (2002) "Quinolones: a comprehensive review." Am Fam Physician, 65, p. 455-64
  13. Owens RC Jr, Ambrose PG (2002) "Torsades de pointes associated with fluoroquinolones." Pharmacotherapy, 22, 663-8; discussion 668-72
  14. Iannini PB (2002) "Cardiotoxicity of macrolides, ketolides and fluoroquinolones that prolong the QTc interval." Expert Opin Drug Saf, 1, p. 121-8
  15. Owens RC (2004) "QT Prolongation with Antimicrobial Agents : Understanding the Significance." Drugs, 64, p. 1091-124
  16. Katritsis D, Camm AJ (2003) "Quinolones: cardioprotective or cardiotoxic." Pacing Clin Electrophysiol, 26, p. 2317-20
  17. Stahlmann R (2002) "Clinical toxicological aspects of fluoroquinolones." Toxicol Lett, 127, p. 269-77
  18. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  19. Canadian Pharmacists Association (2006) e-CPS. http://www.pharmacists.ca/function/Subscriptions/ecps.cfm?link=eCPS_quikLink
  20. Falagas ME, Rafailidis PI, Rosmarakis ES (2007) "Arrhythmias associated with fluoroquinolone therapy." Int J Antimicrob Agents, 29, p. 374-9
  21. Cerner Multum, Inc. "Australian Product Information."

Drug and food interactions

Major

ivosidenib food

Applies to: ivosidenib

GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations of ivosidenib. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit. Inhibition of hepatic CYP450 3A4 may also contribute. Pharmacokinetic data are available for the potent CYP450 3A4 inhibitor, itraconazole, and the moderate inhibitor, fluconazole. When a single 250 mg dose of ivosidenib was administered with itraconazole 200 mg once daily for 18 days, ivosidenib systemic exposure (AUC) increased to 269% of control, with no change in peak plasma concentration (Cmax). Based on physiologically-based pharmacokinetic modeling, coadministration of a 500 mg dose of ivosidenib with fluconazole (dosed to steady-state) is predicted to increase ivosidenib single-dose AUC to 173% of control, while multiple-dosing of both is predicted to increase ivosidenib steady-state Cmax and AUC to 152% and 190% of control, 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. Increased exposure to ivosidenib may increase the risk of QT interval prolongation, which has been associated with ventricular arrhythmias including torsade de pointes and sudden death.

GENERALLY AVOID: Coadministration with a high-fat meal may increase the plasma concentrations of ivosidenib. According to the product labeling, administration of a single dose with a high-fat meal (approximately 900 to 1000 calories; 500 to 600 calories in fat, 250 calories in carbohydrate, 150 calories in protein) increased ivosidenib Cmax and AUC by 98% and 25%, respectively, in healthy study subjects.

MANAGEMENT: Ivosidenib may be administered with or without food, but should not be administered with a high-fat meal. Patients should avoid consumption of grapefruit and grapefruit juice during treatment with ivosidenib.

References (1)
  1. (2018) "Product Information. Tibsovo (ivosidenib)." Agios Pharmaceuticals, 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.

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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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