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1.
J Pediatr ; 178: 246-253.e2, 2016 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-27622699

RESUMO

OBJECTIVE: To evaluate the dose-response, efficacy, and safety of fluticasone furoate (FF; 25 µg, 50 µg, and 100 µg), administered once daily in the evening during a 12-week treatment period to children with inadequately controlled asthma. STUDY DESIGN: This was a Phase IIb, multicenter, stratified, randomized, double-blind, double-dummy, parallel-group, placebo- and active-controlled study in children aged 5-11 years with inadequately controlled asthma. The study comprised a 4-week run-in period, 12-week treatment period, and 1-week follow-up period. Children were randomized to receive either placebo once daily, fluticasone propionate (FP) 100 µg twice daily, FF 25 µg, FF 50 µg, or FF 100 µg each once daily in the evening. Primary endpoint was the mean change from baseline in daily morning peak expiratory flow (PEF) averaged over weeks 1-12. Adverse events (AEs) also were investigated. RESULTS: In total, 593 children were included in the intent-to-treat population. The difference vs placebo in change from baseline daily morning PEF averaged over weeks 1-12 was statistically significant for the FF 25, FF 50, FF 100, and FP 100 groups (18.6 L/min, 19.5 L/min, 12.5 L/min, and 14.0 L/min, respectively; P < .001 for all). The incidence of AEs was greater in the FF groups (32%-36%) than in the placebo group (29%); the most frequent AE was cough. CONCLUSION: FF and FP resulted in significant improvements in morning PEF compared with placebo, suggesting that they are effective treatments for children with inadequately controlled asthma. All treatments were well tolerated; no new safety concerns were identified. TRIAL REGISTRATION: ClinicalTrials.gov:NCT01563029.


Assuntos
Androstadienos/administração & dosagem , Asma/tratamento farmacológico , Broncodilatadores/administração & dosagem , Administração por Inalação , Androstadienos/efeitos adversos , Broncodilatadores/efeitos adversos , Criança , Pré-Escolar , Método Duplo-Cego , Feminino , Volume Expiratório Forçado/efeitos dos fármacos , Humanos , Masculino , Resultado do Tratamento
2.
Respir Res ; 17: 37, 2016 Apr 05.
Artigo em Inglês | MEDLINE | ID: mdl-27044326

RESUMO

BACKGROUND: Inhaled corticosteroids (ICS) are effective maintenance treatments for childhood asthma; however, many children remain uncontrolled. Vilanterol (VI) is an inhaled long-acting beta-2 agonist which, in combination with the ICS fluticasone furoate, is being explored as a once-daily treatment for asthma in children. We evaluated the dose-response, efficacy, and safety of once-daily VI (6.25 µg, 12.5 µg and 25 µg) administered in the evening over 4 weeks, on background fluticasone propionate (FP) in children with asthma inadequately controlled on ICS. METHODS: This was a Phase IIb, multicentre, randomised, double-blind, parallel-group, placebo-controlled study in children ages 5-11 years with persistent asthma on ICS and as-needed short-acting beta-agonist. The study comprised a 4-week run-in, 4-week treatment period, and 1-week follow-up. From study start, children replaced their current ICS with open-label FP 100 µg twice daily. Children were randomised to receive placebo, VI 6.25 µg, VI 12.5 µg or VI 25 µg once daily. Primary endpoint was treatment difference between VI 25 and placebo groups in mean change from baseline in evening peak expiratory flow averaged over the 4-week treatment. Secondary endpoints included change from baseline in trough forced expiratory volume in one second (FEV1) at Week 4 and change from baseline in percentage of rescue-free and symptom-free 24-h periods. Safety assessments included incidence of adverse events (AEs) and asthma exacerbations. RESULTS: In total, 456 children comprised the intention-to-treat population. The adjusted treatment difference between VI 25 and placebo groups for the primary endpoint was not statistically significant (p = 0.227) so no statistical inference was made for other VI dose comparisons or other endpoints. No difference in change from baseline in trough FEV1 was observed for any VI treatments versus placebo; however, VI 25 resulted in an additional 0.6 rescue-free days and 0.7 symptom-free days per week versus placebo. The incidence of AEs was slightly higher in the VI groups (28-33 %) versus placebo (22 %). Nine children experienced asthma exacerbations during the treatment period. CONCLUSION: VI plus FP did not result in significant improvements in lung function versus placebo plus FP, but was well tolerated at all doses assessed. TRIAL REGISTRATION: NCT01573767 (ClinicalTrials.gov).


Assuntos
Corticosteroides/administração & dosagem , Asma/diagnóstico , Asma/tratamento farmacológico , Álcoois Benzílicos/administração & dosagem , Clorobenzenos/administração & dosagem , Fluticasona/administração & dosagem , Administração por Inalação , Corticosteroides/efeitos adversos , Antiasmáticos/administração & dosagem , Álcoois Benzílicos/efeitos adversos , Broncodilatadores/administração & dosagem , Broncodilatadores/efeitos adversos , Criança , Pré-Escolar , Clorobenzenos/efeitos adversos , Terapia Combinada/métodos , Relação Dose-Resposta a Droga , Método Duplo-Cego , Esquema de Medicação , Feminino , Fluticasona/efeitos adversos , Humanos , Masculino , Efeito Placebo , Resultado do Tratamento
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