rasburicase · Medicine question

Is rasburicase known to pass into human breast milk?

iatroX medicinesPublished 8 November 2026

The answer

Answer

It is unknown whether rasburicase (Fasturtec) passes into human breast milk; infant exposure is expected to be very low because it is a protein, but breastfeeding benefits should be weighed against potential risks to the infant during treatment.

Sources for this answer

Fasturtec 1.5 mg/ml powder and solvent for concentrate for solution for infusionSANOFI · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 23Document updated 20 January 2025

Sources checked 8 November 2026

Explore this learning need in CPDTake this topic to CPD, then choose your learning context and available question library.

What restrictions apply to using rasburicase (Fasturtec) during pregnancy?Can rasburicase cause severe allergic reactions, including anaphylactic shock?Have drug interaction studies been performed with rasburicase?How much sodium does a 7.5 mg/5 ml vial of rasburicase (Fasturtec) contain?What are the most commonly reported adverse reactions to rasburicase (Fasturtec)?Which excipients are present in the solvent supplied with rasburicase (Fasturtec)?

loading page…

Answer

Sources for this answer

More questions about rasburicase

Answer

Sources for this answer

More questions about rasburicase

rasburicase

More clinical questions?