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Drug Interactions between Gilenya and Matulane

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

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Interactions between your drugs

Major

procarbazine fingolimod

Applies to: Matulane (procarbazine) and Gilenya (fingolimod)

MONITOR CLOSELY: Coadministration of fingolimod with antineoplastic, immunosuppressive, or other immune-modulating therapies is expected to increase the risk of immunosuppression and infection. Life-threatening and sometimes fatal infections have been reported. Fingolimod causes reversible sequestration of lymphocytes in lymphoid tissues. When administered daily, fingolimod produces a dose-dependent reduction in peripheral lymphocyte count to 20-30% of baseline values, which may increase the risk of infections. In Phase III clinical trials, short courses of corticosteroids (up to 5 days) to treat relapses did not increase the overall rate of infection and so is generally considered acceptable during treatment with fingolimod. A small study of 12 subjects receiving fingolimod 0.5 mg daily found that the lymphocyte count decreased to approximately 60% of baseline within 4 to 6 hours after the first dose. The lymphocyte count continued to decrease over a 2-week period, reaching a nadir count of approximately 500 cells/mcL (30% of baseline). In a placebo-controlled study of 1272 multiple sclerosis (MS) patients, 18% of patients on fingolimod 0.5 mg daily (n = 425) reached a nadir of less than 200 cells/mcL on at least one occasion, compared to no patient on placebo (n = 418). Chronic fingolimod dosing leads to a mild decrease in the neutrophil count to approximately 80% of baseline but does not affect monocytes. Decreased lymphocyte counts persist during daily dosing, then generally return to baseline within 1 to 2 months after stopping the medication.

MANAGEMENT: The safety and efficacy of fingolimod in combination with antineoplastic, immunosuppressive, or immune-modulating agents have not been evaluated. Concomitant use is considered contraindicated by some authorities; however, short courses of corticosteroids (up to 5 days) are generally considered acceptable during treatment with fingolimod. A complete blood count is recommended prior to starting fingolimod if a recent one (i.e., within the last 6 months or after discontinuation of prior therapy) is not available. Treatment suspension should be considered in patients who develop a serious infection, and the benefits and risks reassessed prior to restarting treatment. Patients should be instructed to immediately report any signs or symptoms of an infection (e.g., fever, body aches, chills, nausea, vomiting, headache with neck stiffness or confusion) to their doctor. Because fingolimod remains in the blood for up to two months after the last dose, continued monitoring is recommended throughout this period, and initiating other drugs during this period warrants the same considerations needed for concomitant administration. Consult the manufacturer's product labeling for specific recommendations regarding the timing of use of fingolimod in relation to other agents used in the treatment of MS, including beta interferon, glatiramer acetate, dimethyl fumarate, alemtuzumab, teriflunomide, and mitoxantrone.

References

  1. "Product Information. Gilenya (fingolimod)." Novartis Pharmaceuticals (2010):
  2. "Product Information. Fingolimod (fingolimod)." Dr Reddy's Laboratories (UK) Ltd (2023):
  3. "Product Information. Fingolimod (Teva) (fingolimod)." Teva Pharma Australia Pty Ltd 1.0 (2023):
  4. "Product Information. Fingolimod (fingolimod)." Apotex Corporation (2023):
  5. "Product Information. Apo-Fingolimod (fingolimod)." Apotex Inc (2023):
View all 5 references

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Drug and food interactions

Major

procarbazine food

Applies to: Matulane (procarbazine)

CONTRAINDICATED: Foods that contain large amounts of tyramine may precipitate a hypertensive crisis in patients treated with monoamine oxidase inhibitors (MAOIs). The mechanism is inhibition of MAO-A, the enzyme responsible for metabolizing exogenous amines such as tyramine in the gut and preventing them from being absorbed intact. Once absorbed, tyramine is metabolized to octopamine, a substance that is believed to displace norepinephrine from storage granules.

GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of MAOIs. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills.

MANAGEMENT: In general, patients treated with MAOIs or other agents that possess MAOI activity (e.g., furazolidone, linezolid, procarbazine) should avoid consumption of products that contain large amounts of amines and protein foods in which aging or breakdown of protein is used to increase flavor. These foods include cheese (particularly strong, aged or processed cheeses), sour cream, wine (particularly red wine), champagne, beer, pickled herring, anchovies, caviar, shrimp paste, liver (particularly chicken liver), dry sausage, salamis, figs, raisins, bananas, avocados, chocolate, soy sauce, bean curd, sauerkraut, yogurt, papaya products, meat tenderizers, fava bean pods, protein extracts, yeast extracts, and dietary supplements. Caffeine may also precipitate hypertensive crisis so its intake should be minimized as well. At least 14 days should elapse following discontinuation of MAOI therapy before these foods may be consumed. Specially designed reference materials and dietary consultation are recommended so that an appropriate and safe diet can be planned. Patients should be advised to promptly seek medical attention if they experience potential signs and symptoms of a hypertensive crisis such as severe headache, visual disturbances, difficulty thinking, stupor or coma, seizures, chest pain, unexplained nausea or vomiting, and stroke-like symptoms. Patients should also be counseled not to use MAOIs with alcohol, and to avoid hazardous activities requiring complete mental alertness and motor coordination until they know how these agents affect them.

References

  1. Pettinger WA, Soyangco FG, Oates JA "Inhibition of monoamine oxidase in man by furazolidone." Clin Pharmacol Ther 9 (1968): 442-7
  2. Goldberg LI "Monoamine oxidase inhibitors: adverse reactions and possible mechanisms." JAMA 190 (1964): 456-62
  3. Nuessle WF, Norman FC, Miller HE "Pickled herring and tranylcypromine reaction." JAMA 192 (1965): 142-3
  4. Sweet RA, Liebowitz MR, Holt CS, Heimberg RG "Potential interactions between monoamine oxidase inhibitors and prescribed dietary supplements." J Clin Psychopharmacol 11 (1991): 331-2
  5. Walker JI, Davidson J, Zung WWK "Patient compliance with MAO Inhibitor therapy." J Clin Psychiatry 45 (1984): 78-80
  6. Ban TA "Drug interactions with psychoactive drugs." Dis Nerv Syst 36 (1975): 164-6
  7. Darcy PF, Griffin JP "Interactions with drugs used in the treatment of depressive illness." Adverse Drug React Toxicol Rev 14 (1995): 211-31
  8. Maxwell MB "Reexamining the dietary restrictions with procarbazine (an MAOI)." Cancer Nurs 3 (1980): 451-7
  9. "Product Information. Matulane (procarbazine)." Roche Laboratories PROD (2001):
  10. De Vita VT, Hahn MA, Oliverio VT "Monoamine oxidase inhibition by a new carcinostatic agent, n-isopropyl-a-(2-methylhydrazino)-p-toluamide (MIH). (30590)." Proc Soc Exp Biol Med 120 (1965): 561-5
  11. Zetin M, Plon L, DeAntonio M "MAOI reaction with powdered protein dietary supplement." J Clin Psychiatry 48 (1987): 499
  12. Domino EF, Selden EM "Red wine and reactions." J Clin Psychopharmacol 4 (1984): 173-4
  13. Tailor SA, Shulman KI, Walker SE, Moss J, Gardner D "Hypertensive episode associated with phenelzine and tap beer--a reanalysis of the role of pressor amines in beer." J Clin Psychopharmacol 14 (1994): 5-14
  14. Pohl R, Balon R, Berchou R "Reaction to chicken nuggets in a patient taking an MAOI." Am J Psychiatry 145 (1988): 651
  15. "Product Information. Furoxone (furazolidone)." Roberts Pharmaceutical Corporation PROD (2001):
  16. "Product Information. Nardil (phenelzine)." Parke-Davis PROD (2001):
  17. "Product Information. Marplan (isocarboxazid)." Roche Laboratories PROD (2001):
  18. "Product Information. Zyvox (linezolid)." Pharmacia and Upjohn PROD (2001):
  19. Martin TG "Serotonin syndrome." Ann Emerg Med 28 (1996): 520-6
View all 19 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.

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