[Efficacy of local injection of RhTNFR: Fc in collagen-induced arthritis of rats].
2013
Abstract To evaluate the efficacy of recombinant human tumor necrosis factor-α receptor II: IgG fusion protein (RhTNFR:Fc) local injection in collagen-induced arthritis (CIA) of rats. Twenty-four CIA rats were randomly divided into 3 groups: single therapy (Group I), multiply therapies (Group II) and control (Group III). Group I received normal saline thrice after a single RhTNFR:Fc local treatment while Groups II and III had 4 times of RhTNFR:Fc or normal saline local injection. The severities of right ankle and systemic inflammation were assessed by arthritis index (AI) at baseline and every week after local injection (visits 1, 2, 3 and 4). Serum C reactive protein (CRP) was measured after the last visit. And right ankles were further examined through radiology and pathology. Local or systemic AI of Group I were significantly lower than that of baseline at visit 1 (P
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