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Drug Interactions between Cotempla XR-ODT and nisoldipine

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

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Interactions between your drugs

Moderate

methylphenidate nisoldipine

Applies to: Cotempla XR-ODT (methylphenidate) and nisoldipine

MONITOR: Methylphenidate and other derivative amphetamines may decrease the therapeutic effects of antihypertensive drugs or agents with hypotensive properties. According to serdexmethylphenidate label information, CNS stimulants cause a mean increase in blood pressure of approximately 2 to 4 mmHg and a mean increase in heart rate of approximately 3 to 6 beats per minute. With some individuals having larger increases.

MANAGEMENT: Caution and monitoring of blood pressure is recommended if methylphenidate, dexmethylphenidate or serdexmethylphenidate are administered with antihypertensives agents such as: potassium-sparing and thiazide diuretics, calcium channel blockers, angiotensin-converting-enzyme (ACE) inhibitors, angiotensin II receptor blockers (ARBs), beta blockers or centrally acting alpha-2 receptor agonists. The dosage of the antihypertensive drug should be adjusted as needed.

References (8)
  1. (2001) "Product Information. Ritalin (methylphenidate)." Novartis Pharmaceuticals
  2. (2022) "Product Information. Metadate CD (methylphenidate)." Celltech Pharmaceuticals Inc
  3. (2001) "Product Information. Focalin (dexmethylphenidate)." Mikart Inc
  4. (2002) "Product Information. Metadate ER (methylphenidate)." Celltech Pharmaceuticals Inc
  5. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  6. Cerner Multum, Inc. "Australian Product Information."
  7. (2013) "Product Information. Ritalin LA (methylphenidate)." Quality Care Products/Lake Erie Medical
  8. (2021) "Product Information. Azstarys (dexmethylphenidate-serdexmethylphenidate)." Corium, Inc.

Drug and food interactions

Moderate

methylphenidate food

Applies to: Cotempla XR-ODT (methylphenidate)

GENERALLY AVOID: Alcohol may exacerbate the adverse central nervous system effects of psychoactive drugs, including methylphenidate.

GENERALLY AVOID: Consumption of alcohol while taking certain sustained-release formulations of methylphenidate may cause rapid release of the drug, resulting in increased systemic levels of methylphenidate. In vitro studies have been conducted using Metadate CD 60 mg and Ritalin LA 40 mg capsules, as well as Concerta 18 mg tablet. At an alcohol concentration of 40%, an increase in the release rate of methylphenidate was observed in the first hour for Metadate CD and Ritalin LA, resulting in 84% and 98% of the methylphenidate being released, respectively. In contrast, there was no increased release of methylphenidate in the first hour for Concerta. These results are considered to be representative of the other available strengths of the corresponding product.

MANAGEMENT: Patients treated with methylphenidate should be advised to avoid alcohol or medications that contain alcohol.

References (3)
  1. (2022) "Product Information. Metadate CD (methylphenidate)." Celltech Pharmaceuticals Inc
  2. (2002) "Product Information. Concerta (methylphenidate)." Alza
  3. (2013) "Product Information. Ritalin LA (methylphenidate)." Quality Care Products/Lake Erie Medical
Moderate

nisoldipine food

Applies to: nisoldipine

GENERALLY AVOID: The consumption of grapefruit juice may be associated with significantly increased plasma concentrations of some calcium channel blockers (CCBs) when they are administered orally. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit. The interaction has been reported with the dihydropyridine CCBs (in roughly decreasing order of magnitude) felodipine, nisoldipine, nifedipine, and nimodipine, often with a high degree of interindividual variability. Grapefruit juice caused more than twofold increases in felodipine, nifedipine, and nisoldipine AUCs.

MANAGEMENT: The manufacturers of nifedipine and nisoldipine recommend avoiding grapefruit juice. Patients treated orally with other calcium channel blockers should be advised to avoid consumption of large amounts of grapefruits and grapefruit juice to prevent any undue fluctuations in serum drug levels. Increased effects on blood pressure may persist for up to 4 days after the consumption of grapefruit juice. Monitoring for calcium channel blocker adverse effects (e.g., headache, hypotension, syncope, tachycardia, edema) is recommended.

References (19)
  1. Edgar B, Bailey D, Bergstrand R, Johnsson G, Regardh CG (1992) "Acute effects of drinking grapefruit juice on the pharmacokinetics and dynamics of felodipine--and its potential clinical relevance." Eur J Clin Pharmacol, 42, p. 313-7
  2. (2002) "Product Information. Plendil (felodipine)." Merck & Co., Inc
  3. (2002) "Product Information. Procardia (nifedipine)." Pfizer U.S. Pharmaceuticals
  4. Bailey DG, Arnold JM, Munoz C, Spence JD (1993) "Grapefruit juice--felodipine interaction: mechanism, predictability, and effect of naringin." Clin Pharmacol Ther, 53, p. 637-42
  5. Bailey DG, Arnold JMO, Spence JD (1994) "Grapefruit juice and drugs - how significant is the interaction." Clin Pharmacokinet, 26, p. 91-8
  6. Bailey DG, Arnold JM, Strong HA, Munoz C, Spence JD (1993) "Effect of grapefruit juice and naringin on nisoldipine pharmacokinetics." Clin Pharmacol Ther, 54, p. 589-94
  7. Yamreudeewong W, Henann NE, Fazio A, Lower DL, Cassidy TG (1995) "Drug-food interactions in clinical practice." J Fam Pract, 40, p. 376-84
  8. (1995) "Grapefruit juice interactions with drugs." Med Lett Drugs Ther, 37, p. 73-4
  9. (2001) "Product Information. Sular (nisoldipine)." Astra-Zeneca Pharmaceuticals
  10. Josefsson M, Zackrisson AL, Ahlner J (1996) "Effect of grapefruit juice on the pharmacokinetics of amlodipine in healthy volunteers." Eur J Clin Pharmacol, 51, p. 189-93
  11. Bailey DG, Malcolm J, Arnold O, Spence JD (1998) "Grapefruit juice-drug interactions." Br J Clin Pharmacol, 46, p. 101-10
  12. Bailey DG, Kreeft JH, Munoz C, Freeman DJ, Bend JR (1998) "Grapefruit juice felodipine interaction: Effect of naringin and 6',7'-dihydroxybergamottin in humans." Clin Pharmacol Ther, 64, p. 248-56
  13. Fuhr U, Maier-Bruggemann A, Blume H, et al. (1998) "Grapefruit juice increases oral nimodipine bioavailability." Int J Clin Pharmacol Ther, 36, p. 126-32
  14. Gunston GD, Mehta U (2000) "Potentially serious drug interactions with grapefruit juice." S Afr Med J, 90, p. 41
  15. Takanaga H, Ohnishi A, Maatsuo H, et al. (2000) "Pharmacokinetic analysis of felodipine-grapefruit juice interaction based on an irreversible enzyme inhibition model." Br J Clin Pharmacol, 49, p. 49-58
  16. Bailey DG, Dresser GR, Kreeft JH, Munoz C, Freeman DJ, Bend JR (2000) "Grapefruit-felodipine interaction: Effect of unprocessed fruit and probable active ingredients." Clin Pharmacol Ther, 68, p. 468-77
  17. Ho PC, Ghose K, Saville D, Wanwimolruk S (2000) "Effect of grapefruit juice on pharmacokinetics and pharmacodynamics of verapamil enantiomers in healthy volunteers." Eur J Clin Pharmacol, 56, p. 693-8
  18. Fuhr U, Muller-Peltzer H, Kern R, et al. (2002) "Effects of grapefruit juice and smoking on verapamil concentrations in steady state." Eur J Clin Pharmacol, 58, p. 45-53
  19. Cerner Multum, Inc. "UK Summary of Product Characteristics."

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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