AJG: 乳果糖呼吸试验可预测腹泻型肠易激综合征患者对利福昔明的反应

2019-12-29 不详 MedSci原创

抗生素利福昔明适用于成人肠易激综合征和腹泻(IBS-D)。本项研究旨在评估乳果糖呼气试验(LBT)在预测对利福昔明反应中的作用。

目标:
抗生素利福昔明适用于成人肠易激综合征和腹泻(IBS-D)。本项研究旨在评估乳果糖呼气试验(LBT)在预测对利福昔明反应中的作用。

方法:
患有IBS-D的成年人每天3次接受开放标签的利福昔明550 mg治疗,持续2周,然后进行为期4周的治疗后评估。在治疗前(第1天)和治疗后(第14天)进行LBT试验(每15分钟获取一次呼吸样品;最多240分钟)。评估患者的反应(腹痛比基线降低≥30%,粘稠/水样便频率降低≥50%),症状改善以及临床结局与LBT结果的关系。

结果:
本项试验共包括93名患者;62名(66.7%)的基线LBT结果为阳性。总体上,有48.4%(45/93)的患者对利福昔明有反应;其中59.7%(37/62)的基线LBT阳性,而25.8%(8/31)的LBT阴性(P = 0.002;优势比4.3,95%置信区间1.5-12.7)。基线LBT结果为阳性的患者在7种IBS症状中有6种比基线有明显改善。利福昔明治疗后的LBT结果与86例可评估呼气试验患者的临床反应无关(P = 0.21);但是,在利福昔明治疗后LBT结果恢复正常的患者,其最高缓解率为76.5%(13/17)。

结论:
基线LBT阳性结果预示了IBS-D对利福昔明反应的可能性更高,表明肠道微生物组对利福昔明有调节作用。

原始出处:

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    2020-06-09 minzju5052
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