BMJ子刊:降钙素原可用作发热性中性粒细胞减少症(FN)患者的抗生素停用指标吗?

2022-03-23 网络 网络

发热性中性粒细胞减少症(FN)是儿童和年轻人癌症治疗的常见并发症,许多患者发作的原因是抗生素过度治疗。降钙素原可能是一个预测指标,以指导那些低风险严重细菌感染患者停用抗生素。在这一人群中进行支持性护理

发热性中性粒细胞减少症(FN)是儿童和年轻人癌症治疗的常见并发症,许多患者发作的原因是抗生素过度治疗。降钙素原可能是一个预测指标,以指导那些低风险严重细菌感染患者停用抗生素。在这一人群中进行支持性护理试验已被证明是困难的。这项单臂初步研究(PAnTher Cub)旨在评估在儿童FN患者中用降钙素原(PCT)来判断抗生素停用的可行性。

在FN发作期间进行每日降钙素原水平检测,并给出明确的抗生素停用指导。分析是描述性的。

在32名患者及其家属中,28名患者同意,13名患者出现发热性中性粒细胞减少症。该研究共纳入了16个病例。所有相关的FN发作均已采集数据,并收集足够的数据。没有发生重大安全事件。在4/8(50%)没有明确的微生物记录或临床感染的病例中,抗生素的持续时间或范围都有所缩短对专业人士的采访揭示了研究的重要性、研究团队中关键个人的价值、该方案的特殊挑战以及研究改进建议。

个体患者的连续PCT测量

作为一项单臂试点研究,PAnTherCub是评估PCT指导的FN管理在儿科血液学/肿瘤学中的使用的第一步。下一阶段的研究将包括可行性研究,探索与多个研究地点、患者随机化(到对照组)相关的问题,并确定确定研究所需的样本量。最后阶段将是一个更大的随机对照试验,以评估降钙素原引导方法的使用。

PAnTherCub已经证明,评估PCT指导的儿科FN方法的研究是可能的,并受到儿科血液学/肿瘤学界的欢迎。没有关于安全事件的报道。已经提供了与实施相关的初步结果数据和定性数据,以进一步促进未来的研究设计

参考文献:Morgan JE, Phillips B PAnTher Cub: procalcitonin-guided antibiotic therapy for febrile neutropenia in children and young people with cancer - a single-arm pilot study BMJ Paediatrics Open 2022;6:e001339. doi: 10.1136/bmjpo-2021-001339

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