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Addition of Montelukast To Low-dose Inhaled Corticosteroid Leads To Fewer Exacerbations In Older Patients Than Medium-dose Inhaled Corticosteroid

Ye, Young-Min; Kim, Sang-Ha; Hur, Gyu-Young; Kim, Joo-Hee; Park, Jung-Won; Shim, Jae Jung; Jung, Ki-Suck; Lee, Hyun-Young; Park, Hae-Sim
Department of Allergy & Clinical Immunology, Ajou University School of Medicine
RATIONALE: There have been few reports regarding the efficacy of antiasthmatics in older patients. To compare the efficacy of the addition of montelukast to low dose inhaled budesonide (MON-400BUD) versus increasing the dose of inhaled steroid (800BUD) on asthma control in older asthmatics.
METHODS: A randomized, open-label, parallel-designed trial was conducted for 12 weeks. The primary endpoint was the rate of patients who reached “well-controlled asthma status” after the 12-week treatment period. Additionally, asthma exacerbations, sputum inflammatory cells, asthma control test (ACT) and physical functioning scale (PFS) and adverse reactions were monitored.
RESULTS: Twenty-four (36.9%) and 22 (34.9%) subjects in the MON-400BUD (n=65) and 800BUD (n=63) groups had well-controlled asthma at the end of the study. The numbers of asthma exacerbations requiring oral corticosteroid treatment (20 vs 9, respectively, P = 0.036) and the development of sore throat (22 vs 11, respectively, P = 0.045) were significantly higher in the 800BUD group than in the MON-400BUD group. Body mass index and changes in ACT, FEV1%, 6-min walk distance and PFS from baseline were all significant determinants for distinguishing subjects with well- and partly controlled asthma from those with uncontrolled asthma (P < 0.05) at the end of the study.
CONCLUSION: The efficacy of 12-week treatment with MON-400BUD in older asthmatics was comparable to that of 800BUD on asthma control but was associated with reduced frequency of asthma exacerbations requiring oral steroids and sore throat events. Changes in ACT and PFS can be useful predictors of asthma control status in older patients.
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