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Drug Interactions between Indiomin MB and Kisqali Femara Co-Pack

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

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Interactions between your drugs

Moderate

sodium biphosphate ribociclib

Applies to: Indiomin MB (hyoscyamine / methenamine / methylene blue / sodium biphosphate) and Kisqali Femara Co-Pack (letrozole / ribociclib)

MONITOR: The following interaction applies only to products containing sodium biphosphate that are used for bowel cleansing. It does not apply to products containing sodium biphosphate that are used for other, non-laxative related purposes.

The use of bowel cleansing preparations may increase the risk of ventricular arrhythmia, particularly torsade de pointes, in patients treated with drugs that prolong the QT interval. Severe and potentially fatal cases of electrolyte disorders and arrhythmias have been reported in elderly patients using bowel cleansing products. Electrolyte disturbances including hypokalemia and hypomagnesemia are known risk factors for torsade de pointes associated with QT interval prolongation.

MANAGEMENT: Caution is advised when bowel cleansing preparations are prescribed in patients treated with drugs that prolong the QT interval. Monitoring of baseline and posttreatment serum electrolyte levels is recommended, particularly in the elderly. Patients should be instructed to drink plenty of clear liquids before, during, and after the bowel preparation process. Consideration should be given to consumption of 36 to 48 fluid ounces of a carbohydrate-electrolyte solution in the six hours before the first dose. Patients should be advised to seek prompt medical attention if they experience symptoms that could indicate the occurrence of torsade de pointes such as dizziness, lightheadedness, fainting, palpitation, irregular heart rhythm, shortness of breath, or syncope.

References

  1. Hill AG, Parry BR "Hypokalaemia following bowel cleansing with sodium phosphate." N Z Med J 109 (1996): 347
  2. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  3. "Product Information. Fleet Phospho Soda (sodium acid phophate-sodium phosphate)." Fleet, CB (2007):
  4. "Product Information. Visicol (sodium acid phophate-sodium phosphate)." Salix Pharmaceuticals (2007):
  5. Cerner Multum, Inc. "Australian Product Information." O 0
View all 5 references

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Moderate

letrozole ribociclib

Applies to: Kisqali Femara Co-Pack (letrozole / ribociclib) and Kisqali Femara Co-Pack (letrozole / ribociclib)

MONITOR: Coadministration with ribociclib may increase the plasma concentrations and pharmacologic effects of drugs that are substrates of CYP450 3A4. The proposed mechanism is decreased clearance due to ribociclib-mediated inhibition of CYP450 3A4 metabolism. In healthy study subjects, administration of midazolam, a sensitive CYP450 3A4 substrate, with multiple 400 mg daily doses of ribociclib increased the midazolam peak plasma concentration (Cmax) and systemic exposure (AUC) by 2.1-fold and 3.8-fold, respectively, compared to midazolam administered alone. When given at a clinically relevant dose of 600 mg daily, ribociclib is predicted to increase midazolam Cmax and AUC by 2.4-fold and 5.2-fold, respectively.

MANAGEMENT: Caution is advised when ribociclib is used concomitantly with drugs that undergo metabolism by CYP450 3A4, particularly those with a narrow therapeutic range. Dosage adjustments as well as clinical and laboratory monitoring may be appropriate for some drugs whenever ribociclib is added to or withdrawn from therapy.

References

  1. Zhou XJ, Zhou-Pan XR, Gauthier T, Placidi M, Maurel P, Rahmani R "Human liver microsomal cytochrome P450 3A isozymes mediated vindesine biotransformation. Metabolic drug interactions." Biochem Pharmacol 45 (1993): 853-61
  2. Trivier JM, Libersa C, Belloc C, Lhermitte M "Amiodarone N-deethylation in human liver microsomes: involvement of cytochrome P450 3A enzymes (first report)." Life Sci 52 (1993): pl91-6
  3. Rawden HC, Kokwaro GO, Ward SA, Edwards G "Relative contribution of cytochromes P-450 and flavin-containing monoxygenases to the metabolism of albendazole by human liver microsomes." Br J Clin Pharmacol 49 (2000): 313-22
  4. DSouza DL, Levasseur LM, Nezamis J, Robbins DK, Simms L, Koch KM "Effect of alosetron on the pharmacokinetics of alprazolam." J Clin Pharmacol 41 (2001): 452-4
  5. Katoh M, Nakajima M, Yamazaki H, Yokoi T "Inhibitory effects of CYP3A4 substrates and their metabolites on P-glycoprotein-mediated transport." Eur J Pharm Sci 12 (2001): 505-13
  6. Kane GC, Lipsky JJ "Drug-grapefruit juice interactions." Mayo Clin Proc 75 (2000): 933-42
  7. Yu DK "The contribution of P-glycoprotein to pharmacokinetic drug-drug interactions." J Clin Pharmacol 39 (1999): 1203-11
  8. Nagy J, Schipper HG, Koopmans RP, Butter JJ, van Boxtel CJ, Kager PA "Effect of grapefruit juice or cimetidine coadministration on albendazole bioavailability." Am J Trop Med Hyg 66 (2002): 260-3
  9. "Product Information. Kisqali (ribociclib)." Novartis Pharmaceuticals (2017):
View all 9 references

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Drug and food interactions

Moderate

sodium biphosphate food

Applies to: Indiomin MB (hyoscyamine / methenamine / methylene blue / sodium biphosphate)

ADJUST DOSING INTERVAL: Bowel cleansing products can increase the gastrointestinal transit rate. Oral medications administered within one hour of the start of administration of the bowel cleansing solution may be flushed from the gastrointestinal tract and not properly absorbed.

MANAGEMENT: Patients should be advised that absorption of oral medications may be impaired during bowel cleansing treatment. Oral medications (e.g., anticonvulsants, oral contraceptives, antidiabetic agents, antibiotics) should not be administered during and within one hour of starting bowel cleansing treatment whenever possible. However, if concomitant use cannot be avoided, monitoring for reduced therapeutic effects may be advisable.

References

  1. "Product Information. Golytely (polyethylene glycol 3350 with electrolytes)." Braintree
  2. "Product Information. Prepopik (citric acid/Mg oxide/Na picosulfate)." Ferring Pharmaceuticals Inc (2022):

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Moderate

ribociclib food

Applies to: Kisqali Femara Co-Pack (letrozole / ribociclib)

GENERALLY AVOID: Pomegranates and grapefruit may increase the systemic exposure to ribociclib. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in these fruits. Increased exposure to ribociclib may increase the risk of adverse effects such as infections, neutropenia, leukopenia, anemia, thrombocytopenia, anorexia, nausea, vomiting, diarrhea, stomatitis, alopecia, fatigue, headache, and abnormal liver function may be increased.

MANAGEMENT: Patients receiving ribociclib should avoid consumption of pomegranates or pomegranate juice and grapefruit or grapefruit juice during treatment.

References

  1. "Product Information. Kisqali (ribociclib)." Novartis Pharmaceuticals (2017):

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Moderate

hyoscyamine food

Applies to: Indiomin MB (hyoscyamine / methenamine / methylene blue / sodium biphosphate)

GENERALLY AVOID: Use of anticholinergic agents with alcohol may result in sufficient impairment of attention so as to render driving and operating machinery more hazardous. In addition, the potential for abuse may be increased with the combination. The mechanism of interaction is not established but may involve additive depressant effects on the central nervous system. No effect of oral propantheline or atropine on blood alcohol levels was observed in healthy volunteers when administered before ingestion of a standard ethanol load. However, one study found impairment of attention in subjects given atropine 0.5 mg or glycopyrrolate 1 mg in combination with alcohol.

MANAGEMENT: Alcohol should generally be avoided during therapy with anticholinergic agents. Patients should be counseled to avoid activities requiring mental alertness until they know how these agents affect them.

References

  1. Linnoila M "Drug effects on psychomotor skills related to driving: interaction of atropine, glycopyrrhonium and alcohol." Eur J Clin Pharmacol 6 (1973): 107-12

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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.

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

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

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