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Comparative Study
Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't
Home-made spacer as an auxiliary device in administration of beclomethasone via pressurized metered dose inhaler for asthma control. A randomized controlled pragmatic trial.
Respiratory Medicine 2017 May
BACKGROUND: Holding chambers or spacers can enhance the efficacy of pressurized metered dose inhalers (pMDI) in delivering inhaled medications, as they reduce the need for hand-breath coordination and improve lower airways deposition. Nevertheless, their cost can be high for patients in low-income countries.
OBJECTIVE: To compare asthma control achieved with beclomethasone-dipropionate administered through a hydrofluoroalkane-driven pMDI (BDp-pMDI) coupled to a home-made spacer (HmS) or to a valved commercial spacer (VCS) as auxiliary devices.
METHODS: Sixty-three patients with poorly controlled asthma that had a BDp-pMDI prescription were randomized to use the inhaler coupled to a HmS made of 500 ml plastic bottles (Group HmS, n = 32) or to a VCS (Group VCS, n = 31) for 60 days. All were given training sessions. Asthma control was assessed through the Asthma Control Test (ACT) and forced expiratory volume in the first second (FEV1), both measured before, and 30 and 60 days after treatment began.
RESULTS: Both groups showed significant improvement in ACT scores after 30 and 60 days compared to baseline values (an increase of 7 and 7.8 points for the HmS group and 5.9 and 7.0 points for the VCS group, respectively, p < 0.001). There was no statistically significant difference in ACT scores between groups at any observation time (P = 0.261). FEV1 showed the same behavior.
CONCLUSIONS: A similar level of asthma control was achieved with beclomethasone-dipropionate administered through a pMDI whether the inhaler was coupled to the HmS or VCS. These results are significant for asthma control planning strategies in low-income communities. (Trial Register Number: RBR-5x4dc9).
OBJECTIVE: To compare asthma control achieved with beclomethasone-dipropionate administered through a hydrofluoroalkane-driven pMDI (BDp-pMDI) coupled to a home-made spacer (HmS) or to a valved commercial spacer (VCS) as auxiliary devices.
METHODS: Sixty-three patients with poorly controlled asthma that had a BDp-pMDI prescription were randomized to use the inhaler coupled to a HmS made of 500 ml plastic bottles (Group HmS, n = 32) or to a VCS (Group VCS, n = 31) for 60 days. All were given training sessions. Asthma control was assessed through the Asthma Control Test (ACT) and forced expiratory volume in the first second (FEV1), both measured before, and 30 and 60 days after treatment began.
RESULTS: Both groups showed significant improvement in ACT scores after 30 and 60 days compared to baseline values (an increase of 7 and 7.8 points for the HmS group and 5.9 and 7.0 points for the VCS group, respectively, p < 0.001). There was no statistically significant difference in ACT scores between groups at any observation time (P = 0.261). FEV1 showed the same behavior.
CONCLUSIONS: A similar level of asthma control was achieved with beclomethasone-dipropionate administered through a pMDI whether the inhaler was coupled to the HmS or VCS. These results are significant for asthma control planning strategies in low-income communities. (Trial Register Number: RBR-5x4dc9).
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