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多抗甲素(Polyactin A)系口腔分离的a-溶血性链球菌经发酵获得的多糖肽类新抗生素。动物试验证明具有抗肿瘤作用与免疫促进作用。临床作为肿瘤的化疗与放疗的辅助药物及治疗多种原因的白细胞缺乏症与再生障碍性贫血。临床应用的剂型有注射剂,口服液与片剂。近年对免疫机理的研究已较深入。
Polyactin A (polyactin A) oral separation of a-hemolytic streptococcus fermentation obtained polysaccharide peptide antibiotics. Animal experiments show that anti-tumor effect and immune promotion. Clinical as a tumor chemotherapy and radiotherapy adjuvant drugs and treatment of a variety of causes of leukopenia and aplastic anemia. Clinical application of the injection form, oral solution and tablets. In recent years, the immune mechanism has been more in-depth study.