环球试验:L-Glutamine加Hydroxyurea对Hydroxyurea单独在状细胞贫血中的有效性和安全性 - 一项双盲随机研究
Nader Shakibazad1, Moslem Momenzadeh2, Batool Amiri3
1Bushehr University of Medical Sciences, Department of Pediatric Hematology and Oncology, Bushehr, Iran.
概括
将L-谷氨添加到氧尿素 (HU) 中显著减少了儿科状细胞贫血 (SCA) 患者的血管封闭性危机 (VOC) 和急性胸部综合征 (ACS). 这种耐受良好的组合疗法改善了临床结果和血液学标志物.
科学领域:
- 血液学 血液学 血液学
- 儿科医学 儿科医学
- 药理学 药理学是指药理学的学科.
背景情况:
- 细胞贫血 (SCA) 的并发症随着氧尿素 (HU) 治疗而变化.
- 作为一种抗氧化剂的L-谷氨胺针对SCA中不同的病理生理路径.
- 研究L-Glutamine作为HU的辅助可能会改善临床结果.
研究的目的:
- 评估在儿童和青少年SCA患者中添加L-谷氨到基尿素 (HU) 的疗效和安全性.
- 为了比较结合疗法和单独的HU之间的血管闭塞危机 (VOC) 和急性胸部综合征 (ACS) 的频率.
- 评估对住院和血液学参数的影响.
主要方法:
- 一个为期6个月的双盲,安慰剂对照试验,涉及53名儿科/青少年SCA患者.
- 随机分配到HU + L-Glutamine (n=27) 或HU +安慰剂 (n=26),继续标准的HU剂量.
- 主要终点:血管闭塞危机 (VOC) 频率;次要终点:急性胸部综合征 (ACS),住院,血液学参数.
主要成果:
- 在HU + L-Glutamine组显著减少VOC (1.00对1.65;p=0.003) 和ACS发作 (0.19对0.77;p=0.006).
- 在组合手臂中,住院病例减少了40% (p=0.04).
- 观察到血红蛋白水平的改善 (+0.78与+0.32g/dL相比;p=0.028) 和HbF的增加 (+6.2%与+1.6%相比;p<0.001).
结论:
- 将L-谷氨添加到HU中可以显著减少SCA患者的VOC,ACS和住院病例.
- 组合疗法耐受性良好,并改善了关键的血液学标志物.
- 这种协同作用的方法可以提高SCA管理,保证更大的验证试验.
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