Priming of a non-conducting valved holding chamber (VHC) is formulation dependent and may result in inconsistent medication delivery Source: Annual Congress 2007 - Miscellaneous pulmonary pharmacology Year: 2007
Antistatic treatment and the amount of salbutamol actuated have variable effect on drug delivery of six different valved holding chambers (VHC) Source: International Congress 2019 – Severe acute asthma and troublesome wheezing Year: 2019
Impact of inspiratory delay and valved holding chamber (VHC) material on drug delivery Source: Eur Respir J 2001; 18: Suppl. 33, 494s Year: 2001
Laboratory assessment of drug delivery of Beclomethasone/Formoterol metered dose inhaler (MDI) with a new valved holding chamber (VHC) designed specifically for 'on-the-go' use. Source: Virtual Congress 2021 – Therapies for respiratory diseases in primary care and COVID - 19 Year: 2021
New anti-static youth valved holding chamber (VHC) can be used out-of-package and deliver β2 -agonist medication effectively Source: Annual Congress 2009 - New aspects of inhalation therapy Year: 2009
In vitro delivery of an HFA-based corticosteroid by pediatric and adult valved holding chambers (VHC): effect of inhalation flow rateSource: Eur Respir J 2002; 20: Suppl. 38, 500s Year: 2002
A visual indicator for inhalation from a valved holding chamber (VHC) is an aid in delivery of inhaled medication to infants and small children via facemask Source: Annual Congress 2009 - New aspects of inhalation therapy Year: 2009
Comparison of two valved holding chambers for the delivery of an HFA-based solution corticosteroid formulation Source: Eur Respir J 2002; 20: Suppl. 38, 500s Year: 2002
Patient centered development of a new valved holding chamber (VHC) designed specifically for on-the-go use Source: Virtual Congress 2020 – Asthma inhalers: devices and adherence studies Year: 2020
Medication delivery via infant and child valved holding chambers (VHCs) with facemask is aided with inhalation flow indicator Source: Annual Congress 2008 - Diagnosing, monitoring and treating respiratory diseases in primary care Year: 2008
Valved holding chamber (VHC) angle can affect pressurized netered-dose inhaler (pMDI) medication delivery efficiency Source: International Congress 2018 – Determinants and monitoring of asthma control Year: 2018
Novel non-electrostatic valved holding chamber (VHC) has comparable in vitro performance for delivery of beta-2 agonist as similar-sized, pre-washed but non-conducting VHC Source: Eur Respir J 2006; 28: Suppl. 50, 211s Year: 2006
Medication delivery testing of valved holding chambers (VHCs) with facemask for infant use by means of a model infant face Source: International Congress 2016 – Paediatric asthma: recurrent, persistent, or severe obstruction and lung function techniques Year: 2016
Impact of inhalation delay on medication delivery from a salbutamol HFA pressurized metered dose inhaler used with and without a new prototype portable valved holding chamber Source: International Congress 2019 – COPD treatment: clinical trials, cohorts and inhaler device studies Year: 2019
In vitro performance of a new non-electrostatic, transparent valved holding chamber (VHC) for the poorly coordinated patientSource: Eur Respir J 2004; 24: Suppl. 48, 380s Year: 2004
In vitro equivalence exists for infant non-conducting (NC) and anti-static (AS) valved holding chambers (VHC) from the same family of add on devices used with pressurized metered dose inhalers (pMDIs) provided pre-conditioning of the non-conducting VHCs is undertakenSource: Annual Congress 2010 - Drug delivery and pharmacokinetics I Year: 2010
In vitro performance of a small non-electrostatic valved holding chamber made from metal with three different brands of pressurized metered dose inhalers Source: Eur Respir J 2006; 28: Suppl. 50, 712s Year: 2006
The impact of different valved holding chambers (VHCs) on lung drug delivery: using functional respiratory imaging (FRI) and a single metered dose inhaler (MDI) type Source: Virtual Congress 2020 – Diagnosis and management of airways disease in primary care Year: 2020
Valved holding chamber drug delivery is dependent on breathing pattern and device design Source: ERJ Open Res, 5 (1) 00158-2018; 10.1183/23120541.00158-2018 Year: 2019
A small volume valved holding chamber (VHC) manufactured from charge dissipative materials has comparable in vitro performance with a large volume non-conducting plastic spacer for both bronchodilator and anti-inflammatory formulations Source: Eur Respir J 2005; 26: Suppl. 49, 340s Year: 2005