在小儿心脏移植中对酸剂量策略的比较
Dawn Y Nguyen1, Anastacia Serluco1, Justin K Chen1
1Department of Pharmacy, Children's Healthcare of Atlanta, Atlanta, Georgia, USA.
Clinical transplantation
|December 30, 2025
概括
在儿童心脏移植接受者中,基于身体表面积 (BSA) 的mycophenolic acid (MPA) 剂量与较低的排斥率相关,但与基于体重的剂量相比,感染率更高. 需要进一步的研究来优化移植后的MPA剂量策略.
科学领域:
- 儿童心脏病学 儿童心脏病学
- 免疫抑制疗法是一种免疫抑制疗法.
- 移植医学 移植医学 移植医学
背景情况:
- 菌酸 (MPA) 是儿童心脏移植 (OHT) 接受者的重要免疫抑制剂.
- 目前的MPA剂量策略缺乏标准化的比较和结果数据.
研究的目的:
- 为了比较基于体重和基于身体表面积 (BSA) 的MPA剂量对儿科OHT接受者的剂量一致性和临床结果.
- 评估不同MPA剂量策略对排斥,感染,死亡率和PTLD的影响.
主要方法:
- 从2014-2022年对儿科OHT接受者 (≤21岁) 的回顾性审查.
- 基于体重 (15 mg/kg/剂量 q12h) 和基于BSA (600 mg/m2 /剂量 q12h) 的MPA剂量队列的比较.
- 对剂量一致性,排斥率,感染发病率,死亡率和PTLD的分析.
主要成果:
- 基于BSA的队列获得的MPA总剂量显著更高,分别为mg,mg/kg和mg/m2.
- 基于BSA的剂量与明显较低的排斥风险 (HR 0.2) 相关,但整体感染风险显著增加 (HR 2.2).
- 两组之间在1年移植后死亡率或PTLD发病率方面没有发现显著差异.
结论:
- 在儿科OHT患者中,基于体重和基于BSA的MPA剂量策略之间存在显著的不一致.
- 基于BSA的剂量可能会减少排斥,但会增加感染风险,强调需要优化剂量方案.
- 需要进一步的多中心研究,以充分阐明MPA剂量对移植后发病率和死亡率的长期影响.
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