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Medicines ZanidatamabQuestion & answer

Zanidatamab · Medicine question

How much polysorbate 20 does each Ziihera (zanidatamab) 300 mg vial contain?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Each Ziihera (zanidatamab) 300 mg vial contains 0.63 mg of polysorbate 20.

Sources for this answer

Ziihera 300 mg powder for concentrate for solution for infusionJazz Pharmaceuticals Research UK Limited · emc · SmPC §4.4 Special warnings and precautions for use · Version 1Document updated 4 March 2026

Sources checked 8 November 2026

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Zanidatamab

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