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
Impact of inspiratory delay and valved holding chamber (VHC) material on drug delivery Source: Eur Respir J 2001; 18: Suppl. 33, 494s Year: 2001
Delivery of medication via a novel non-electrostatic valved holding chamber (VHC) for infant use depends on the number of inhalations Source: Eur Respir J 2006; 28: Suppl. 50, 713s Year: 2006
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
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 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
Not all antistatic valved holding chambers have equivalent performance: An example why each valved holding chamber (VHC)-inhaler combination should be considered unique Source: Annual Congress 2012 - The best of pharmacology treatments of airway diseases: new devices and drugs Year: 2012
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
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 comparison of the effect of inhalation delay on the variability of the delivered dose from valved holding chambersSource: Annual Congress 2012 - Assessing and treating childhood asthma and allergy Year: 2012
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
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
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
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
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
Breath-by-breath delivered dose comparison from three anti-static valved holding chambers with facemasks under simulated pediatric breathing conditions Source: Annual Congress 2011 - Treating childhood asthma Year: 2011
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
In vitro testing of an improved collapsible valved holding chamber (CHC) with a pressurized metered-dose inhaler delivered bronchodilator, simulating an adult mechanically ventilated patient Source: Annual Congress 2010 - Treatment options for asthma Year: 2010
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
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