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In this trial, patients with mild asthma used albuterol alone as needed, inhaled budesonide maintenance therapy plus albuterol as needed, or an inhaler containing both budesonide and formoterol as needed for asthma symptoms. There were fewer exacerbations in both groups in which treatment included budesonide.

Patients with COPD were randomly assigned to triple inhaled therapy with either a 160-μg or 320-μg dose of budesonide or to one of two dual therapies. Both triple regimens were superior to the dual regimens with respect to the rate of moderate or severe exacerbations; no difference was observed between the triple regimens.

In patients with mild asthma, inhaled glucocorticoid and β-agonist in a single inhaler, used as needed, was compared with maintenance glucocorticoid or as-needed β-agonist for asthma control. The combination was superior to β-agonist but less effective than maintenance therapy. Two articles report comparisons of glucocorticoid plus β-agonist in a single inhaler with maintenance glucocorticoid or as-needed β-agonist in patients with mild asthma. Combination therapy was superior to β-agonist for symptoms but was less effective than maintenance therapy. Combination therapy and maintenance therapy were effective for asthma control and were superior to β-agonist.

Inhaled glucocorticoid plus β-agonist in a single inhaler was compared with maintenance inhaled glucocorticoid for exacerbation risk among patients with mild asthma. Combination therapy was noninferior to maintenance therapy. Two articles report comparisons of glucocorticoid plus β-agonist in a single inhaler with maintenance glucocorticoid or as-needed β-agonist in patients with mild asthma. Combination therapy was superior to β-agonist for symptoms but was less effective than maintenance therapy. Combination therapy and maintenance therapy were effective for asthma control and were superior to β-agonist.

To date, no studies have assessed the efficacy of single-inhaler triple therapy in asthma. Here we report on two studies that compared the single-inhaler extrafine combination of beclometasone dipropionate (BDP; inhaled corticosteroid), formoterol fumarate (FF; long-acting β2 agonist), and glycopyrronium (G; long-acting muscarinic antagonist) with the combination of BDP with FF. Two parallel-group, double-blind, randomised, active-controlled, phase 3 trials (Triple in Asthma With Uncontrolled Patients on Medium Strength of ICS + LABA [TRIMARAN] and Triple in Asthma High Strength Versus ICS/LABA HS and Tiotropium [TRIGGER]) recruited patients from 171 sites across 16 countries (TRIMARAN), and from 221 sites across 17 countries (TRIGGER). The sites were a mixture of secondary and tertiary care centres and specialised investigation units. Eligible patients were adults (aged 18–75 years) with uncontrolled asthma, a history of one or more exacerbations in the previous year, and previously treated with inhaled corticosteroid (TRIMARAN: medium dose; TRIGGER: high dose) plus a long-acting β2 agonist. Enrolled patients were initially treated with BDP/FF (TRIMARAN: 100 μg BDP and 6 μg FF; TRIGGER: 200 μg BDP and 6 μg FF) for 2 weeks, then randomly assigned to treatment using an interactive response technology system with a balanced block randomisation scheme stratified by country. Patients, investigators, site staff, and sponsor staff were masked to BDP/FF/G and BDP/FF assignment. In TRIMARAN, patients were randomly assigned (1:1) to 52 weeks of BDP/FF/G (100 μg BDP, 6 μg FF, and 10 μg G) or BDP/FF (100 μg BDP and 6 μg FF), two inhalations twice daily. In TRIGGER, patients were randomly assigned (2:2:1) to 52 weeks of BDP/FF/G (200 μg BDP, 6 μg FF, and 10 μg G) or BDP/FF (200 BDP and 6 μg FF), both two inhalations twice daily, or open-label BDP/FF (200 μg BDP and 6 μg FF) two inhalations twice daily plus tiotropium 2·5 μg two inhalations once daily. Coprimary endpoints for both trials (BDP/FF/G vs BDP/FF) were pre-dose forced expiratory volume in 1 s (FEV1) at week 26 and rate of moderate and severe exacerbations over 52 weeks. Safety was assessed in all patients who received at least one dose of study treatment. These trials were registered with ClinicalTrials.gov, NCT02676076 (TRIMARAN), NCT02676089 (TRIGGER). Between Feb 17, 2016, and May 17, 2018, 1155 patients in TRIMARAN were given BDP/FF/G (n=579) or BDP/FF (n=576). Between April 6, 2016, and May 28, 2018, 1437 patients in TRIGGER were given BDP/FF/G (n=573), BDP/FF (n=576), or BDP/FF plus tiotropium (n=288). Compared with the BDP/FF group, week 26 predose FEV1 improved in the BDP/FF/G group by 57 mL (95% CI 15–99; p=0·0080) in TRIMARAN and by 73 mL (26–120; p=0·0025) in TRIGGER, with reductions in the rate of moderate and severe exacerbations of 15% (rate ratio 0·85, 95% CI 0·73–0·99; p=0·033) in TRIMARAN and 12% (0·88, 0·75–1·03; p=0·11) in TRIGGER. Four patients had treatment-related serious adverse events, one in TRIMARAN in the BDP/FF/G group and three in TRIGGER—one in the BDP/FF/G and two in the BDP/FF group. Three patients in the BDP/FF/G group in TRIMARAN and two patients in TRIGGER—one in the BDP/FF/G group and one in the BDP/FF group—had adverse events leading to death. None of the deaths were considered as related to treatment. In uncontrolled asthma, addition of a long-acting muscarinic antagonist to inhaled corticosteroid plus long-acting β2-agonist therapy improves lung function and reduces exacerbations. Chiesi Farmaceutici.

Dupilumab, a fully human anti-interleukin-4 receptor α monoclonal antibody, inhibits interleukin-4 and interleukin-13 signalling, key drivers of type-2-mediated inflammation. Adults with uncontrolled persistent asthma who are receiving medium-to-high-dose inhaled corticosteroids plus a long-acting β2 agonist require additional treatment options as add-on therapy. We aimed to assess the efficacy and safety of dupilumab as add-on therapy in patients with uncontrolled persistent asthma on medium-to-high-dose inhaled corticosteroids plus a long-acting β2 agonist, irrespective of baseline eosinophil count. We did this randomised, double-blind, placebo-controlled, parallel-group, pivotal phase 2b clinical trial at 174 study sites across 16 countries or regions. Adults (aged ≥18 years) with an asthma diagnosis for 12 months or more based on the Global Initiative for Asthma 2009 Guidelines receiving treatment with medium-to-high-dose inhaled corticosteroids plus a long-acting β2 agonist were eligible for participation. Patients were randomly assigned (1:1:1:1:1) to receive subcutaneous dupilumab 200 mg or 300 mg every 2 weeks or every 4 weeks, or placebo, over a 24-week period. The primary endpoint was change from baseline at week 12 in forced expiratory volume in 1 s (FEV1 in L) in patients with baseline blood eosinophil counts of at least 300 eosinophils per μL assessed in the intention-to-treat population. Safety outcomes were assessed in all patients that received at least one dose or part of a dose of study drug. This trial is registered at ClinicalTrials.gov, number NCT01854047, and with the EU Clinical Trials Register, EudraCT number 2013-000856-16. 769 patients (158 in the placebo group and 611 in the dupilumab groups) received at least one dose of study drug. In the subgroup with at least 300 eosinophils per μL, the greatest increases (200 mg every 2 weeks, p=0·0008; 300 mg every 2 weeks, p=0·0063) in FEV1 compared with placebo were observed at week 12 with doses every 2 weeks in the 300 mg group (mean change 0·39 L [SE 0·05]; mean difference 0·21 [95% CI 0·06–0·36; p=0·0063]) and in the 200 mg group (mean change 0·43 L [SE 0·05]; mean difference 0·26 [0·11–0·40; p=0·0008]) compared with placebo (0·18 L [SE 0·05]). Similar significant increases were observed in the overall population and in the fewer than 300 eosinophils per μL subgroup (overall population: 200 mg every 2 weeks, p<0·0001; 300 mg every 2 weeks, p<0·0001; <300 eosinophils per μL: 200 mg every 2 weeks, p=0·0034; 300 mg every 2 weeks, p=0·0086), and were maintained to week 24. Likewise, dupilumab every 2 weeks produced the greatest reductions in annualised rates of exacerbation in the overall population (70–70·5%), the subgroup with at least 300 eosinophils per μL (71·2–80·7%), and the subgroup with fewer than 300 eosinophils per μL (59·9–67·6%). The most common adverse events with dupilumab compared with placebo were upper respiratory tract infections (33–41% vs 35%) and injection-site reactions (13–26% vs 13%). Dupilumab increased lung function and reduced severe exacerbations in patients with uncontrolled persistent asthma irrespective of baseline eosinophil count and had a favourable safety profile, and hence in addition to inhaled corticosteroids plus long-acting β2-agonist therapy could improve the lives of patients with uncontrolled persistent asthma compared with standard therapy alone. Sanofi-Genzyme and Regeneron Pharmaceuticals.

In adults with mild asthma, a combination of an inhaled corticosteroid with a fast-onset long-acting β-agonist (LABA) used as reliever monotherapy reduces severe exacerbations compared with short-acting β-agonist (SABA) reliever therapy. We investigated the efficacy of combination budesonide–formoterol reliever therapy compared with maintenance budesonide plus as-needed terbutaline. We did a 52-week, open-label, parallel-group, multicentre, superiority, randomised controlled trial at 15 primary care or hospital-based clinical trials units and primary care practices in New Zealand. Participants were adults aged 18–75 years with a self-reported doctor's diagnosis of asthma who were using SABA for symptom relief with or without maintenance low to moderate doses of inhaled corticosteroids in the previous 12 weeks. We randomly assigned participants (1:1) to either reliever therapy with budesonide 200 μg–formoterol 6 μg Turbuhaler (one inhalation as needed for relief of symptoms) or maintenance budesonide 200 μg Turbuhaler (one inhalation twice daily) plus terbutaline 250 μg Turbuhaler (two inhalations as needed). Participants and investigators were not masked to group assignment; the statistician was masked for analysis of the primary outcome. Six study visits were scheduled: randomisation, and weeks 4, 16, 28, 40, and 52. The primary outcome was the number of severe exacerbations per patient per year analysed by intention to treat (severe exacerbations defined as use of systemic corticosteroids for at least 3 days because of asthma, or admission to hospital or an emergency department visit because of asthma requiring systemic corticosteroids). Safety analyses included all participants who had received at least one dose of study treatment. This trial is registered with the Australian New Zealand Clinical Trials Registry, number ACTRN12616000377437. Between May 4, 2016, and Dec 22, 2017, we assigned 890 participants to treatment and included 885 eligible participants in the analysis: 437 assigned to budesonide–formoterol as needed and 448 to budesonide maintenance plus terbutaline as needed. Severe exacerbations per patient per year were lower with as-needed budesonide–formoterol than with maintenance budesonide plus terbutaline as needed (absolute rate per patient per year 0·119 vs 0·172; relative rate 0·69, 95% CI 0·48–1·00; p=0·049). Nasopharyngitis was the most common adverse event in both groups, occurring in 154 (35%) of 440 patients receiving as-needed budesonide–formoterol and 144 (32%) of 448 receiving maintenance budesonide plus terbutaline as needed. In adults with mild to moderate asthma, budesonide–formoterol used as needed for symptom relief was more effective at preventing severe exacerbations than maintenance low-dose budesonide plus as-needed terbutaline. The findings support the 2019 Global Initiative for Asthma recommendation that inhaled corticosteroid–formoterol reliever therapy is an alternative regimen to daily low-dose inhaled corticosteroid for patients with mild asthma. Health Research Council of New Zealand.

Pulmonary drug delivery is characterized by short onset times of the effects and an increased therapeutic ratio compared to oral drug delivery. This delivery route can be used for local as well as for systemic absorption applying drugs as single substance or as a fixed dose combination. Drugs can be delivered as nebulized aerosols or as dry powders. A screening system able to mimic delivery by the different devices might help to assess the drug effect in the different formulations and to identify potential interference between drugs in fixed dose combinations. The present study evaluates manual devices used in animal studies for their suitability for cellular studies. Calu-3 cells were cultured submersed and in air-liquid interface culture and characterized regarding mucus production and transepithelial electrical resistance. The influence of pore size and material of the transwell membranes and of the duration of air-liquid interface culture was assessed. Compounds were applied in solution and as aerosols generated by MicroSprayer IA-1C Aerosolizer or by DP-4 Dry Powder Insufflator using fluorescein and rhodamine 123 as model compounds. Budesonide and formoterol, singly and in combination, served as examples for drugs relevant in pulmonary delivery. Membrane material and duration of air-liquid interface culture had no marked effect on mucus production and tightness of the cell monolayer. Co-application of budesonide and formoterol, applied in solution or as aerosol, increased permeation of formoterol across cells in air-liquid interface culture. Problems with the DP-4 Dry Powder Insufflator included compound-specific delivery rates and influence on the tightness of the cell monolayer. These problems were not encountered with the MicroSprayer IA-1C Aerosolizer. The combination of Calu-3 cells and manual aerosol generation devices appears suitable to identify interactions of drugs in fixed drug combination products on permeation.

Background Aclidinium/formoterol is a twice-daily (BID) fixed-dose combination (FDC) in development for chronic obstructive pulmonary disease (COPD). The efficacy and safety of aclidinium/formoterol versus monotherapy and placebo in patients with COPD was assessed. Methods In this 24-week double-blind, parallel-group, active- and placebo-controlled, multicentre Phase III study, patients (≥40 years, post-bronchodilator forced expiratory volume in 1 second [FEV 1 ]/forced vital capacity <70% and FEV 1  ≥30% but <80% predicted normal) were randomised 2:2:2:2:1 to aclidinium/formoterol 400/12 μg (n = 385) or 400/6 μg (n = 381), aclidinium 400 μg (n = 385), formoterol 12 μg (n = 384) or placebo (n = 194) BID via Genuair ® /Pressair ®a . Results At Week 24, aclidinium/formoterol 400/12 μg and 400/6 μg lead to significant improvements from baseline in 1-hour post-dose FEV 1 versus aclidinium (125 mL [95% CI: 90, 160; p < 0 · 001] and 69 mL [95% CI: 34, 105; p < 0.001], respectively) and trough FEV 1 versus formoterol (85 mL [95% CI: 51, 119; p < 0.001] and 53 mL [95% CI: 19, 87; p < 0.01], respectively; co-primary endpoints). Additionally, aclidinium/formoterol 400/12 μg and 400/6 μg provided significant improvements in Transition Dyspnoea Index (TDI) focal score versus placebo (1.29 units [95% CI: 0.73, 1.86; p < 0.001] and 1.16 units [95% CI: 0.59, 1.73; p < 0.001], respectively; secondary endpoint). All treatments were well tolerated, with safety profiles of the FDCs similar to those of placebo and monotherapy. Conclusions Both aclidinium/formoterol BID doses significantly improved bronchodilation versus monotherapy, and dyspnoea versus placebo, with no increase in safety risk. Aclidinium/formoterol may be an effective treatment for patients with COPD. Trial registration ClinicalTrials.gov: NCT01462942 .

In adolescents and adults with moderate-to-severe asthma, the addition of formoterol to inhaled glucocorticoids was associated with a lower risk of asthma exacerbations than that with glucocorticoids alone and with a similar risk of serious asthma-related events. Current guidelines for the management of asthma suggest that inhaled glucocorticoids should be used as initial controller therapy, with a long-acting beta-agonist (LABA) then added if symptoms remain uncontrolled or increase in severity. 1 Although LABAs have been an available treatment option for asthma since 1990, 2 questions remain regarding the safety of this drug class. 3 These concerns originate mainly from the results of two large studies in which the effects of adding the LABA salmeterol to existing asthma treatment were reviewed. 4 , 5 These studies showed higher rates of asthma-related death and other serious outcomes related to asthma among patients receiving salmeterol . . .