Is Cladribine (Mavenclad) present in urine and feces?

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Last updated: April 19, 2025View editorial policy

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From the Guidelines

Mavenclad (cladribine) is indeed present in both urine and feces after administration, with approximately 60% excreted in the urine and about 20% eliminated in the feces. This information is crucial for understanding the drug's pharmacokinetics and for guiding patient care, especially in terms of handling waste and maintaining proper hygiene practices. Following oral intake, the drug undergoes absorption from the gastrointestinal tract, metabolism in the liver and other tissues, and then elimination primarily through the kidneys 1. The majority of Mavenclad is excreted within the first few days after administration, with the active metabolite 2-chloroadenine being the primary form found in urine. Key points to consider include:

  • The drug's presence in urine and feces indicates its elimination pathways and the need for careful handling of patient waste.
  • Patients and their caregivers should be informed about the drug's excretion to ensure proper hygiene and minimize exposure to others.
  • The pharmacokinetics of Mavenclad, including its excretion in urine and feces, are important for understanding its potential interactions and side effects, as discussed in guidelines for managing conditions like hairy cell leukemia 1.

From the FDA Drug Label

An average of 18% of the administered dose has been reported to be excreted in urine of patients with solid tumors during a five-day continuous intravenous infusion of 3.5 to 8. 1 mg/m 2/day of cladribine injection. The drug Mavenclad (cladribine) is present in the urine, as 18% of the administered dose is excreted in the urine.

  • There is no information about the presence of Mavenclad in the poop. 2

From the Research

Presence of Mavenclad in Urine and Poop

  • There is no direct information available in the provided studies regarding the presence of Mavenclad (Cladribine) in urine and poop.
  • The studies primarily focus on the efficacy, safety, and immunomodulatory effects of Cladribine in the treatment of multiple sclerosis 3, 4, 5, 6, 7.
  • None of the studies mention the excretion of Cladribine in urine or feces, which would be necessary to determine its presence in these bodily fluids.
  • Without specific data on the pharmacokinetics and excretion of Cladribine, it is not possible to conclude whether Mavenclad is present in urine and poop based on the provided evidence.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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