Chlorambucil

Preview FDA label, Waylis Therapeutics LLC, oral, effective 2025-01-08. Full label on DailyMed

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From MedlinePlus, U.S. National Library of Medicine

Quoted from the FDA label. Product labels differ by manufacturer and change over time; confirm against the label for the product you are using. Not yet reviewed by a ClinDose pharmacist.

Boxed warning

WARNING LEUKERAN (chlorambucil) can severely suppress bone marrow function. Chlorambucil is a carcinogen in humans. Chlorambucil is probably mutagenic and teratogenic in humans. Chlorambucil produces human infertility (see WARNINGS and PRECAUTIONS).

Alkylating Drug

Dosing in kidney impairment

Chlorambucil should be discontinued promptly in patients who develop skin reactions. Pregnancy Chlorambucil can cause fetal harm when administered to a pregnant woman. Unilateral renal agenesis has been observed in 2 offspring whose mothers received chlorambucil during the first trimester. Urogenital malformations, including absence of a kidney, were found in fetuses of rats given chlorambucil.

Drug interactions

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Label text (1 paragraph)

Drug Interactions There are no known drug/drug interactions with chlorambucil.

Contraindications

Chlorambucil should not be used in patients whose disease has demonstrated a prior resistance to the agent. Patients who have demonstrated hypersensitivity to chlorambucil should not be given the drug. There may be cross-hypersensitivity (skin rash) between chlorambucil and other alkylating agents.

Pregnancy and lactation

Pregnancy

Pregnancy Chlorambucil can cause fetal harm when administered to a pregnant woman. Unilateral renal agenesis has been observed in 2 offspring whose mothers received chlorambucil during the first trimester. Urogenital malformations, including absence of a kidney, were found in fetuses of rats given chlorambucil. There are no adequate and well-controlled studies in pregnant women. If this drug is used during pregnancy, or if the patient becomes pregnant while taking this drug, the patient should be apprised of the potential hazard to the fetus. Women of childbearing potential should be advised to avoid becoming pregnant. Pregnancy Teratogenic Effects: See WARNINGS section.

Lactation

Lactation It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk and because of the potential for serious adverse reactions in nursing infants from chlorambucil, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother.

For breastfeeding, also see LactMed (National Library of Medicine), which summarizes milk levels and infant effects.

Supply and cost

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Therapeutic equivalence (Orange Book)

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