华海药业(600521.SH)公告称，公司下属子公司华奥泰和华博生物收到国家药监局核准签发的注射用HB0043的《药物临床试验批准通知书》。HB0043为重组人源化IgG1型双特异性抗体，靶向人白细胞介素-17A（IL-17A）和人白细胞介素-36受体（IL-36R），具有高结合和阻断活性，开发用于治疗多种自身免疫性疾病。目前公司在该项目上已投入研发费用约6,909万元。医药产品研发周期长，存在不确定因素，未来竞争形势也将发生变化。
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