Lazertinib · Medicine question

Why can lazertinib be harmful during pregnancy?

iatroX medicinesPublished 8 November 2026

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Lazertinib may harm the foetus based on its mechanism of action and animal studies showing reduced embryo-foetal survival and foetal body weight; there are no data from pregnant women.

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Lazcluze 80 mg film-coated tabletsJanssen-Cilag Ltd (a Johnson & Johnson Company) · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 3Document updated 2 March 2026

Sources checked 8 November 2026

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