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BRL_(50216)是一种杂环化合物,为二氢三嗪衍生物。以往报道,它象氯胍一样,为叶酸颉抗剂,动物及体外实验证明它具有抗疟作用。该药半寿期为3(1/2)时,口服后血药浓度在3~6小时最高,毒性研究表明它的安全范围大。本文报告了单用BRL_(50216)和伍用磺胺,以不同剂量的疗法治疗冈比亚儿童恶性疟的效果,并通过冈比亚按蚊群感染性试验,测定
BRL_ (50216) is a heterocyclic compound that is a dihydrotriazine derivative. It has been reported in the past that it is a folic acid antagonist, like proguanil, which has been proved to have anti-malarial effects in animals and in vitro experiments. The drug half-life of 3 (1/2), the oral plasma concentration of 3 to 6 hours after the highest toxicity studies have shown that its security range. This article reports the efficacy of treatment of P. falciparum in Gambian children with BRL_ (50216) alone and with sulfamethoxazole at different dosages and by an Anopheles gambiae infection test