Comparability of a Three-Dimensional Structure in Biopharmaceuticals Using Spectroscopic Methods

Table 6

Biological potency for Etanercept and Rituximab products.

Product	Batch number	Biological potency (%)
^aInfinitam	ETPP12001	106
	ETPP12003	101
	ETPP12005	110
^bKikuzubam	5445110403	106
	5433120509	96
	5445100901	115

aBiological potency measured by TNF-alfa neutralization relative to Enbrel.
^bBiological potency measured by CDC relative to Mabthera.