Long-term efficacy of house dust mite subcutaneous immunotherapy in allergic rhinitis patients
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摘要: 目的: 比较尘螨过敏的儿童和成人变应性鼻炎患者皮下免疫治疗的远期疗效。方法: 以48例尘螨过敏的变应性鼻炎患者为研究对象,接受3年标准化尘螨特异性皮下免疫治疗,治疗结束后随访2年。治疗前基线、治疗结束时(3年)和治疗结束后2年(5年)评价所有患者的鼻部症状总评分、症状药物综合评分和生活质量评分。记录尘螨特异性皮下免疫治疗过程中的不良反应,评价其安全性。结果: 15例儿童和33例成人变应性鼻炎患者完成了该研究。与基线相比,3年尘螨特异性皮下免疫治疗显著改善了儿童和成人患者的症状及生活质量,减少了对症治疗用药,并且疗效持续至免疫治疗结束后2年。儿童组的3年疗效和5年疗效均显著优于成人组。2组患者在免疫治疗中均未出现严重不良反应,局部不良反应发生率差异无统计学意义。结论: 尘螨过敏的变应性鼻炎患者经皮下免疫治疗3年后,症状明显改善,用药减少,生活质量提高,安全性良好,且免疫治疗停止后2年疗效仍然持续稳定。儿童的改善程度大于成人,疗效更加显著。Abstract: Objective: This study was aimed to compare the long-term effects of house dust mite (HDM) subcutaneous immunotherapy (SCIT) in a cohort of Chinese pediatric and adult patients with allergic rhinitis (AR).Method: Total of 48 AR patients received standardized HDM-SCIT for 3 years, and they received 3 years of standardized dust mite-specific subcutaneous immunotherapy, followed by 2 years after treatment. Prior to treatment (baseline) and at the end of the 3-year and 5-year treatment periods, all patients were evaluated for total nasal symptom scores (TNSS), total combined score (TCS; symptoms(nasal + ocular)+daily medication score), and rhinoconjunctivitis quality of life questionnaire(RQLQ). Safety of HDM-SCIT was assessed according to adverse events reported.Result: Fifteen pediatric and 33 adult AR patients completed the study. HDM-SCIT significantly improved symptoms and RQLQ scores at the 3 rd year and 5th year in both children and adults. Superior efficacy was observed at the 3-year and 5-year timepoints in children compared to adults. The safety of HDM-SCIT was comparable in children and adults with AR.Conclusion: A 3-year course of HDM-SCIT is an effective, safe and sustainable long-term treatment in both pediatric patients and adults with AR, although children appear to achieve better long-term efficacy compared to the adults.
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Key words:
- rhinitis /
- allergic /
- house dust mite /
- subcutaneous immunotherapy /
- long-term efficacy /
- children
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