Simcere Pharmaceutical Group Ltd. announced that its IL-2 mutant fusion protein, SIM0278, has entered a Phase II clinical trial in China for the treatment of moderate-to-severe atopic dermatitis. The first dose in the study was administered at Hangzhou First People's Hospital. This randomized, double-blind, placebo-controlled, multi-center Phase II study aims to evaluate the efficacy, safety, and pharmacokinetics of continuous subcutaneous administration of SIM0278 in participants with moderate-to-severe atopic dermatitis. Results from this Phase II study have not yet been presented. Preliminary safety and efficacy data from a completed Phase I clinical study in China have previously demonstrated good tolerability and appropriate pharmacokinetic properties for SIM0278.