From:  Biosimilars in chronic spontaneous urticaria: current evidence, clinical implications and future perspectives

 Estimated cost savings with biosimilar omalizumab in CSU [23, 24, 34].

ParameterReference omalizumabBiosimilar (–20%)Biosimilar (–30%)Biosimilar (–50%)
Cost for 4 weeks (€) *745596522372
Estimated annual cost per patient (€)9,6857,7506,7804,840
Estimated annual savings per patient (€)-1,9352,9054,840
Relative saving-20%30%50%

* Assuming standard CSU dosing of 300 mg every 4 weeks (13 administrations/year). Values represent illustrative scenarios derived from published European pharmacoeconomic analyses and currently available pricing information. Actual prices and healthcare savings may vary depending on national procurement systems, reimbursement policies, market competition, and local tender procedures.