In this double-blind, crossover study, patients who had been diagnosed with asthma for ≥1 year were randomized to two sequences of study medication "as needed" for symptom relief (1-7 day washout before second 4-week treatment period): CVT-MDI/ALB-HFA or ALB-HFA/CVT-MDI. On days 1 and 29 of each sequence, 6-hour serial spirometry was performed after administration of the study drug. Co-primary endpoints were FEV1 area under the curve (AUC0-6) and peak (post-dose) forced expiratory volume in 1 s (FEV1) response (change from test day baseline) after 4 weeks. The effects of "as needed" treatment with ALB-HFA/CVT-MDI were analyzed using mixed effect model repeated measures (MMRM).
These results suggest that aerosolized albuterol does not improve clinical outcomes in ALI patients. Routine use of β2 agonist therapy in mechanically ventilated ALI patients cannot be recommended.
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Before treatment, inspiratory capacity (IC) after hyperventilation decreased significantly in a breathing frequency-dependent manner. After tiotropium administration, forced expiratory volume in one second (FEV1) increased significantly. IC after hyperventilation decreased significantly in a breathing frequency-dependent manner; however, IC was significantly greater than that before treatment (at rest, p=0.001; after hyperventilation at twice the resting respiratory rate, p=0.0009; and after hyperventilation at three times the resting respiratory rate, p<0.0001). The SGRQ score also improved significantly. After combined therapy with salmeterol, FEV1 increased significantly compared with after tiotropium alone. However, there was no significant difference between the IC after tiotropium alone and that after combined therapy, at each stage. However, after combined therapy the SGRQ score significantly improved compared with that after tiotropium alone.
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The REACH (Real-world Effectiveness in Asthma therapy of Combination inHalers) study investigated the clinical and cost effectiveness of switching typical asthma patients from FP-SAL to efBDP-FOR.
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We aimed to evaluate the accuracy of baseline exhaled nitric oxide fraction (F(eNO)) to recognise individuals with difficult-to-treat asthma who have the potential to achieve control with a guideline-based stepwise strategy. 102 consecutive patients with suboptimal asthma control underwent stepwise increase in the treatment with maximal fluticasone/salmeterol combination dose for 1 month. Then, those who remained uncontrolled received oral corticosteroids for an additional month. With this approach, 53 patients (52%) gained control. Those who achieved control were more likely to have positive skin results (60.4% versus 34%; p = 0.01), positive bronchodilator test (57.1% versus 35.8%; p = 0.02) and peak expiratory flow variability > or =20% (71.1% versus 49.1%; p = 0.04). Conversely, depression was more frequent in those who remained uncontrolled (18.4 % versus 43.4 %; p = 0.01). An F(eNO) value > or =30 ppb demonstrated a sensitivity of 87.5% (95% CI 73.9-94.5%) and a specificity of 90.6% (95% CI 79.7-95.9%) for the identification of responsive asthmatics. The current results suggest that F(eNO) can identify patients with difficult-to-treat asthma and the potential to respond to high doses of inhaled corticosteroids or systemic steroids.
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Retrospective case-control study.
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This 56-day, randomized, double-blind, double-dummy, placebo-controlled, multicenter trial was conducted in 328 adults with mild to moderately severe asthma (FEV1 50% to 90% of predicted while maintained on inhaled corticosteroids). Patients were seen at a baseline visit and on study days 28 and 56. Efficacy variables included pulmonary function tests, physician and patient assessments of asthma condition, and use of rescue medication.
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Systematic review of randomised controlled trials (duration > or = 12 weeks) in adolescents and adults comparing montelukast/ICS versus ICS monotherapy or montelukast/ICS versus active control/ICS. Meta-analyses were conducted where feasible. The main focus was on clinical outcomes (eg, exacerbations). Adverse events were also assessed.
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We performed a review of studies of fluticasone propionate (FP)/salmeterol (SAL) (combination inhaled corticosteroid (ICS)/long-acting β2-agonist (LABA)) in patients with COPD, which measured baseline (pretreatment) blood eosinophil levels, to test whether blood eosinophil levels ≥2% were associated with a greater reduction in exacerbation rates with ICS therapy.
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A randomized, double-blind study in children with asthma and a ratio of forced expiratory volume in 1 s to forced vital capacity (FEV1/FVC) of < or =72% predicted was carried out. Spirometry was performed at baseline and at 10 min and 20 min after inhalation of two puffs of salbutamol (100 microg/puff) through either a detergent-coated or a non-coated spacer.
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To determine whether the addition of inhaled ipratropium bromide to inhaled albuterol and systemic corticosteroid therapy was more efficacious than inhaled albuterol and systemic corticosteroids alone in the inpatient treatment of acute asthma exacerbations in children.