Picot Stéphane, Bienvenu Anne-Lise, Konate Salimata, Sissoko Sibiri, Barry Abdoulaye, Diarra Elisabeth, Bamba Karidiatou, Djimdé Abdoulaye, Doumbo Ogobara K
Malaria Research Unit, EA 4170, University Lyon 1, Faculty of Medicine, Lyon, France.
Malar J. 2009 Jul 24;8:169. doi: 10.1186/1475-2875-8-169.
Cerebral malaria carries an unacceptable case fatality rate in children despite timely and adequate chemotherapy. To improve the survival rate, adjunctive therapies previously tested mainly focused on the modulation of the inflammatory response, without definitive effect in humans. In this context, a new adjunctive strategy using a neuroprotective drug: erythropoietin (epoietin-beta, Epo) was proposed.
An open-labelled study including cerebral malaria children (Blantyre coma score below 3) was conducted in Mali. The objective was to assess the short-term safety (seven days) of erythropoietin at high doses (1,500 U/kg/day during three days) combined to quinine.
35 patients with unrousable coma were included in the study. None of expected side effects of erythropoietin were observed during the seven days follow-up. No significant increase in the case fatality rate (7/35 patients) was observed compared to other studies with mortality rates ranging from 16 to 22% in similar endemic areas.
These data provide the first evidence of the short-term safety of erythropoietin at high doses combined to quinine. A multicentre study is needed to assess the potential of Epo as an adjunctive therapy to increase the survival during cerebral malaria. CLINICAL REGISTRATION NUMBER: ClinicalTrials.gov ID: NCT00697164.
尽管进行了及时且充分的化疗,但儿童脑型疟疾的病死率仍令人难以接受。为提高生存率,此前测试的辅助治疗主要集中在调节炎症反应方面,然而在人体中并未取得确切疗效。在此背景下,提出了一种使用神经保护药物促红细胞生成素(依泊汀-β,Epo)的新辅助治疗策略。
在马里开展了一项针对脑型疟疾儿童(布兰太尔昏迷评分低于3分)的开放标签研究。目的是评估高剂量促红细胞生成素(连续三天每天1500 U/kg)联合奎宁治疗的短期安全性(七天)。
35例昏迷不醒的患者被纳入研究。在七天的随访期间,未观察到促红细胞生成素预期的副作用。与其他在类似流行地区死亡率为16%至22%的研究相比,病死率(7/35例患者)未显著增加。
这些数据首次证明了高剂量促红细胞生成素联合奎宁治疗的短期安全性。需要开展多中心研究来评估促红细胞生成素作为辅助治疗以提高脑型疟疾患者生存率的潜力。临床试验注册号:ClinicalTrials.gov标识符:NCT00697164。