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What Is Mavenclad?

Mavenclad is a prescription purine antimetabolite containing cladribine. It is indicated for relapsing forms of multiple sclerosis in adults, including relapsing-remitting disease and active secondary progressive disease. Due to its safety profile, it is usually considered after an inadequate response or intolerance to another multiple sclerosis treatment. Tablets contain 10 mg.

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What Is Mavenclad?

Mavenclad is a prescription purine antimetabolite containing cladribine. It is indicated for relapsing forms of multiple sclerosis in adults, including relapsing-remitting disease and active secondary progressive disease. Due to its safety profile, it is usually considered after an inadequate response or intolerance to another multiple sclerosis treatment. Tablets contain 10 mg.

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How Does Mavenclad Work?

Cladribine is converted inside cells to active nucleotide metabolites that interfere with DNA synthesis and repair. This causes a reduction in lymphocytes, including B cells and T cells, that contribute to inflammatory activity in multiple sclerosis. The complete mechanism responsible for its therapeutic effects is not established.

Who Is Treated With Mavenclad?

Mavenclad treats adults with relapsing-remitting multiple sclerosis or active secondary progressive multiple sclerosis under current labeling. It is not recommended for clinically isolated syndrome. Patients undergo blood count testing, infection screening, pregnancy assessment, and cancer risk evaluation before treatment. Current malignancy, pregnancy, HIV infection, and certain active chronic infections are contraindications.

How Is Mavenclad Dosed?

The recommended cumulative dose is 3.5 mg per kg by mouth over two yearly treatment courses, with 1.75 mg per kg per course. Each course contains two treatment cycles, and each cycle consists of one or two 10 mg tablets daily for four or five days according to body weight. Cycles within a course are separated by 23 to 27 days. No additional Mavenclad treatment is given during the next two years after completion of both courses.

What Serious Risks Are Linked to Mavenclad?

Mavenclad carries boxed warnings for malignancies and fetal harm. Other serious concerns include severe lymphopenia, serious infections, herpes zoster, hepatitis reactivation, liver injury, blood-cell abnormalities, hypersensitivity, and cardiac failure. Females of reproductive potential use contraception during treatment and for six months after each course, while males take precautions to prevent pregnancy for at least 14 weeks after the last dose of each course.

Frequently Asked Questions About Mavenclad

What type of multiple sclerosis does Mavenclad treat?

Mavenclad treats relapsing forms of multiple sclerosis in adults, including relapsing-remitting disease and active secondary progressive disease.

How long is Mavenclad treatment?

The labeled regimen consists of two yearly treatment courses, each divided into two short dosing cycles.

What is the total recommended Mavenclad dose?

The recommended cumulative dose is 3.5 mg per kg across two yearly treatment courses.

Does Mavenclad have boxed warnings?

Yes. The boxed warnings concern malignancies and the risk of serious fetal harm.

References

Cladribine. LiverTox. https://www.ncbi.nlm.nih.gov/books/NBK548555/. Date Accessed October 13, 2026.

Cladribine. MedlinePlus. https://medlineplus.gov/druginfo/meds/a619038.html. Date Accessed October 13, 2026.

Cladribine. PubChem. https://pubchem.ncbi.nlm.nih.gov/compound/20279. Date Accessed October 13, 2026.

Cladribine. StatPearls. https://www.ncbi.nlm.nih.gov/books/NBK545307/. Date Accessed October 13, 2026.

DailyMed - MAVENCLAD (cladribine) tablet. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=9c75e30a-a410-40f1-b653-04d532bd9144. Date Accessed October 13, 2026.