期刊
NEW ENGLAND JOURNAL OF MEDICINE
卷 378, 期 26, 页码 2497-2505出版社
MASSACHUSETTS MEDICAL SOC
DOI: 10.1056/NEJMoa1716868
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资金
- 3M
- Boehringer Ingelheim
- AstraZeneca
- GlaxoSmithKline
- Novartis
- Sanofi-Regeneron
- Teva
- Boston Scientific
- Genentech
- Cipla
- ALK
- Vectura Group
- Merck
- Takeda
- Hoffmann-La Roche
- Actelion
- Chiesi
- Sanofi-Aventis
- Cephalon
- Menarini
- Sanofi Regeneron
- Medimmune
- Teva Pharmaceutical Industries
- Intermune
- Sanofi
- Berlin-Chemie
- ICON Clinical Research
- Astra-Zeneca
BACKGROUND Safety concerns regarding long-acting beta(2)-agonists (LABAs) in asthma management were initially identified in a large postmarketing trial in which the risk of death was increased. In 2010, the Food and Drug Administration (FDA) mandated that the four companies marketing LABAs for asthma perform prospective, randomized, controlled trials comparing the safety of combination therapy with a LABA plus an inhaled glucocorticoid with that of an inhaled glucocorticoid alone in adolescents (12 to 17 years of age) and adults. In conjunction with the FDA, the manufacturers harmonized their trial methods to allow an independent joint oversight committee to provide a final combined analysis of the four trials. METHODS As members of the joint oversight committee, we performed a combined analysis of the four trials comparing an inhaled glucocorticoid plus a LABA (combination therapy) with an inhaled glucocorticoid alone. The primary outcome was a composite of asthma-related intubation or death. Post hoc secondary outcomes included serious asthma-related events and asthma exacerbations. RESULTS Among the 36,010 patients in the intention-to-treat study, there were three asthma-related intubations (two in the inhaled-glucocorticoid group and one in the combination- therapy group) and two asthma-related deaths (both in the combinationtherapy group) in 4 patients. In the secondary analysis of serious asthma-related events (a composite of hospitalization, intubation, or death), 108 of 18,006 patients (0.60%) in the inhaled-glucocorticoid group and 119 of 18,004 patients (0.66%) in the combination-therapy group had at least one composite event (relative risk in the combination-therapy group, 1.09; 95% confidence interval [CI], 0.83 to 1.43; P = 0.55); 2100 patients in the inhaled-glucocorticoid group (11.7%) and 1768 in the combination-therapy group (9.8%) had at least one asthma exacerbation (relative risk, 0.83; 95% CI, 0.78 to 0.89; P<0.001). CONCLUSIONS Combination therapy with a LABA plus an inhaled glucocorticoid did not result in a significantly higher risk of serious asthma-related events than treatment with an inhaled glucocorticoid alone but resulted in significantly fewer asthma exacerbations.
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