Answer
Lemtrada (alemtuzumab) lacks adequate clinical fertility safety data, and its impact on human fertility during exposure remains unknown, although a substudy of 13 men receiving 12 or 24 mg found no aspermia, azoospermia, consistently depressed sperm count, motility disorders or increased sperm morphological abnormalities.
Sources for this answer
- LEMTRADA 12 mg concentrate for solution for infusionSANOFI · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 3Document updated
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