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Drug Interactions between clofarabine and Tija

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

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Interactions between your drugs

Moderate

phenazopyridine clofarabine

Applies to: Tija (oxytetracycline / phenazopyridine / sulfamethizole) and clofarabine

GENERALLY AVOID: The liver is a known target organ for clofarabine toxicity, and concomitant use of other potentially hepatotoxic agents may increase the risk of liver injury. Severe and fatal hepatotoxicity has occurred with the use of clofarabine alone. In clinical studies, grade 3 to 4 liver enzyme elevations were frequently observed in pediatric patients during treatment, with aspartate aminotransferase (AST) and alanine aminotransferase (ALT) elevations reported in 36% and 44% of patients, respectively. Liver enzyme elevations typically occurred within 10 days of clofarabine administration and returned to grade 2 or lower within 15 days. Grade 3 or 4 bilirubin elevations occurred in 13% of patients, with 2 cases reported as grade 4 hyperbilirubinemia (2%), one of which resulted in treatment discontinuation and the other in multi-organ failure and death. Eight patients (7%) had grade 3 or 4 elevations in serum bilirubin at the last time point measured, all of whom died due to sepsis and/or multi-organ failure.

MANAGEMENT: Concomitant use of clofarabine with other potentially hepatotoxic agents should be avoided whenever possible (e.g., acetaminophen; alcohol; androgens and anabolic steroids; antituberculous agents; azole antifungal agents; ACE inhibitors; disulfiram; endothelin receptor antagonists; interferons; ketolide and macrolide antibiotics; kinase inhibitors; minocycline; nonsteroidal anti-inflammatory agents; nucleoside reverse transcriptase inhibitors; proteasome inhibitors; retinoids; sulfonamides; tamoxifen; thiazolidinediones; tolvaptan; vincristine; zileuton; anticonvulsants such as carbamazepine, hydantoins, felbamate, and valproic acid; lipid-lowering medications such as fenofibrate, lomitapide, mipomersen, niacin, and statins; herbals and nutritional supplements such as black cohosh, chaparral, comfrey, DHEA, kava, pennyroyal oil, and red yeast rice). Hepatic function should be monitored during clofarabine administration, and therapy discontinued if grade 3 to 4 liver enzyme or bilirubin elevations occur. Patients should be advised to seek medical attention if they experience potential signs and symptoms of hepatotoxicity such as fever, rash, itching, anorexia, nausea, vomiting, fatigue, malaise, right upper quadrant pain, dark urine, pale stools, and jaundice.

References

  1. "Product Information. Clolar (clofarabine)." sanofi-aventis (2005):

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Moderate

sulfamethizole clofarabine

Applies to: Tija (oxytetracycline / phenazopyridine / sulfamethizole) and clofarabine

GENERALLY AVOID: The liver is a known target organ for clofarabine toxicity, and concomitant use of other potentially hepatotoxic agents may increase the risk of liver injury. Severe and fatal hepatotoxicity has occurred with the use of clofarabine alone. In clinical studies, grade 3 to 4 liver enzyme elevations were frequently observed in pediatric patients during treatment, with aspartate aminotransferase (AST) and alanine aminotransferase (ALT) elevations reported in 36% and 44% of patients, respectively. Liver enzyme elevations typically occurred within 10 days of clofarabine administration and returned to grade 2 or lower within 15 days. Grade 3 or 4 bilirubin elevations occurred in 13% of patients, with 2 cases reported as grade 4 hyperbilirubinemia (2%), one of which resulted in treatment discontinuation and the other in multi-organ failure and death. Eight patients (7%) had grade 3 or 4 elevations in serum bilirubin at the last time point measured, all of whom died due to sepsis and/or multi-organ failure.

MANAGEMENT: Concomitant use of clofarabine with other potentially hepatotoxic agents should be avoided whenever possible (e.g., acetaminophen; alcohol; androgens and anabolic steroids; antituberculous agents; azole antifungal agents; ACE inhibitors; disulfiram; endothelin receptor antagonists; interferons; ketolide and macrolide antibiotics; kinase inhibitors; minocycline; nonsteroidal anti-inflammatory agents; nucleoside reverse transcriptase inhibitors; proteasome inhibitors; retinoids; sulfonamides; tamoxifen; thiazolidinediones; tolvaptan; vincristine; zileuton; anticonvulsants such as carbamazepine, hydantoins, felbamate, and valproic acid; lipid-lowering medications such as fenofibrate, lomitapide, mipomersen, niacin, and statins; herbals and nutritional supplements such as black cohosh, chaparral, comfrey, DHEA, kava, pennyroyal oil, and red yeast rice). Hepatic function should be monitored during clofarabine administration, and therapy discontinued if grade 3 to 4 liver enzyme or bilirubin elevations occur. Patients should be advised to seek medical attention if they experience potential signs and symptoms of hepatotoxicity such as fever, rash, itching, anorexia, nausea, vomiting, fatigue, malaise, right upper quadrant pain, dark urine, pale stools, and jaundice.

References

  1. "Product Information. Clolar (clofarabine)." sanofi-aventis (2005):

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Drug and food interactions

Moderate

oxytetracycline food

Applies to: Tija (oxytetracycline / phenazopyridine / sulfamethizole)

ADJUST DOSING INTERVAL: Administration with food, particularly dairy products, significantly reduces tetracycline absorption. The calcium content of these foods forms nonabsorbable chelates with tetracycline.

MANAGEMENT: Tetracycline should be administered one hour before or two hours after meals.

References

  1. "Product Information. Achromycin (tetracycline)." Lederle Laboratories PROD (2001):
  2. "Product Information. Declomycin (demeclocycline)." Lederle Laboratories PROD (2001):

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Moderate

oxytetracycline food

Applies to: Tija (oxytetracycline / phenazopyridine / sulfamethizole)

GENERALLY AVOID: The bioavailability of oral tetracyclines and iron salts may be significantly decreased during concurrent administration. Therapeutic failure may result. The proposed mechanism is chelation of tetracyclines by the iron cation, forming an insoluble complex that is poorly absorbed from the gastrointestinal tract. In ten healthy volunteers, simultaneous oral administration of ferrous sulfate 200 mg and single doses of various tetracyclines (200 mg to 500 mg) resulted in reductions in the serum levels of methacycline and doxycycline by 80% to 90%, oxytetracycline by 50% to 60%, and tetracycline by 40% to 50%. In another study, 300 mg of ferrous sulfate reduced the absorption of tetracycline by 81% and that of minocycline by 77%. Conversely, the absorption of iron has been shown to be decreased by up to 78% in healthy subjects and up to 65% in patients with iron depletion when ferrous sulfate 250 mg was administered with tetracycline 500 mg. Available data suggest that administration of iron 3 hours before or 2 hours after a tetracycline largely prevents the interaction with most tetracyclines except doxycycline. Due to extensive enterohepatic cycling, iron binding may occur with doxycycline even when it is given parenterally. It has also been shown that when iron is administered up to 11 hours after doxycycline, serum concentrations of doxycycline may still be reduced by 20% to 45%.

MANAGEMENT: Coadministration of a tetracycline with any iron-containing product should be avoided if possible. Otherwise, patients should be advised to stagger the times of administration by at least three to four hours, although separating the doses may not prevent the interaction with doxycycline.

References

  1. Neuvonen PJ "Interactions with the absorption of tetracyclines." Drugs 11 (1976): 45-54
  2. Gothoni G, Neuvonen PJ, Mattila M, Hackman R "Iron-tetracycline interaction: effect of time interval between the drugs." Acta Med Scand 191 (1972): 409-11
  3. Venho VM, Salonen RO, Mattila MJ "Modification of the pharmacokinetics of doxycycline in man by ferrous sulphate or charcoal." Eur J Clin Pharmacol 14 (1978): 277-80
  4. "Product Information. Minocin (minocycline)." Lederle Laboratories PROD (2002):
  5. Campbell NR, Hasinoff BB "Iron supplements: a common cause of drug interactions." Br J Clin Pharmacol 31 (1991): 251-5
  6. Bateman FJ "Effects of tetracyclines." Br Med J 4 (1970): 802
  7. Neuvonen PJ, Gothoni G, Hackman R, Bjorksten K "Interference of iron with the absorption of tetracyclines in man." Br Med J 4 (1970): 532-4
  8. Greenberger NJ "Absorption of tetracyclines: interference by iron." Ann Intern Med 74 (1971): 792-3
  9. Neuvonen PJ, Penttila O "Effect of oral ferrous sulphate on the half-life of doxycycline in man." Eur J Clin Pharmacol 7 (1974): 361-3
  10. "Product Information. Seysara (sarecycline)." Allergan Inc (2018):
  11. "Product Information. Nuzyra (omadacycline)." Paratek Pharmaceuticals, Inc. (2018):
View all 11 references

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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

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