重度过敏性(IgE介导)哮喘患者采用奥玛珠单抗治疗可减停口服皮质激素
2011/11/23
摘要
背景:长期口服皮质激素(OCS)治疗及其副作用给患者和卫生资源造成了严重的负担。
方法:一项随机、非盲、平行分组研究评价了减停OCS的奥玛珠单抗治疗(OMA)联合优化哮喘治疗(OAT)与单独OAT治疗哮喘的疗效。本研究是对上述研究的亚组分析。研究对象为年龄12~75岁的严重过敏性哮喘患者,尽管采用GINA2004推荐的第4步治疗仍然未达到哮喘控制。这些患者采用OMA或OAT治疗32周。根据OCS的剂量变化、需要降低/停止或维持/增加OCS的患者人数,评价OCS的变化。
结果:82例患者基线状态下采用OCS维持治疗(OMA/OAT n=59, OAT,n=23)。治疗32周后,与基础状态相比,OMA/OAT 组OCS剂量的变化显著高于OAT组(-45% vs.+18.3%, p=0.002)。在OMA/OAT 组,37名患者(62.7%)在治疗32周后降低或停止OCS治疗,而OAT组为7名患者(30.4%)(p=0.013)。不管是否使用OCS,OMA/OAT组治疗32周后同时观察到其他临床转归的改善。对于OMA/OAT组大部分的患者(93%),治疗16周后研究者对疗效的整体评价,是预测持续治疗是否有效的一个预测因素,而且该现象与是否使用OCS无关。
结论:在此项针对重度过敏性哮喘患者的开放标记研究中,结果显示,与单独OAT治疗相比,OMA/OAT治疗能降低维持OCS治疗的剂量,而且OMA/OAT组患者疗效的改善与OCS的变化无关。
(苏楠 审校)
Curr Med Res Opin. 2011 Sep 21. [Epub ahead of print]
Oral corticosteroid sparing with omalizumab in severe allergic (IgE-mediated) asthma patients.
Siergiejko Z, Swiebocka E, Smith N, Peckitt C, Leo J, Peachey G, Maykut R.
Source
Respiratory System Diagnostics and Bronchoscopy Department, Medical University of Białystok , Poland.
Abstract
BACKGROUND: Long-term oral corticosteroid (OCS) therapy and related adverse events are associated with a significant burden on patients and healthcare resources.
METHODS: This subgroup analysis of a randomized, open-label, parallel-group study evaluated the OCS-sparing effect of omalizumab (OMA) added to optimized asthma therapy (OAT), compared with OAT alone. Patients (12-75 years) with severe allergic asthma, uncontrolled despite GINA 2004 Step 4 therapy, received OMA or OAT for 32 weeks. The change from baseline in OCS use by Week 32 in patients requiring maintenance OCS at baseline was assessed in terms of percent OCS dose change and numbers of patients with reduced/stopped or maintained/increased OCS.
RESULTS: Eighty-two patients were receiving maintenance OCS at baseline (OMA/OAT n = 59, OAT n = 23). Change from baseline in mean maintenance OCS dose at Week 32 was significantly greater in the OMA/OAT group compared with the OAT group (-45% vs. + 18.3%, p = 0.002). In the OMA/OAT group, 37 patients (62.7%) reduced/stopped OCS use at Week 32, compared with seven patients (30.4%) receiving OAT (p = 0.013). Improvements in other efficacy outcomes were seen at Week 32 in the OMA/OAT group, irrespective of OCS use. An investigator global evaluation of treatment effectiveness at Week 16 was an effective predictor of persistent treatment response at 32 weeks for the majority of OMA/OAT patients (93%), also irrespective of OCS use.
CONCLUSION: In this open-label study of patients with severe allergic asthma, OMA/OAT therapy reduced maintenance OCS use, compared with OAT alone. Improvements in efficacy measures were observed in the OMA/OAT group, irrespective of OCS change. Clinicaltrials.gov identifier: NCT00264849.
Curr Med Res Opin. 2011 Sep 21. [Epub ahead of print]
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重度持续过敏性哮喘患者在奥玛珠单抗治疗期间的气道炎症和呼出气冷凝液嗜酸粒细胞趋化因子