HFA 227

Known as: HFA-227 
 
National Institutes of Health

Papers overview

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2013
2013
BACKGROUND Existing literature has shown that high relative humidity (RH) affects in vitro aerosol drug delivery of nebulizer and… Expand
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2013
2013
Stmerin(®) D was reformulated using hydrofluoroalkanes (HFA-134a and HFA-227) as alternative propellants instead of… Expand
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2007
2007
OBJECTIVE The reduction of oral prednisone use by mometasone furoate (MF) delivered by HFA-227 metered dose inhaler (MDI) was… Expand
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2006
2006
Stmerin D, a pressurized metered dose inhaler (MDI) for treatment of asthma, contains CFCs (chlorofluorocarbons) as a propellant… Expand
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Review
2005
Review
2005
The terms of the Montreal Protocol have eliminated chlorofluorocarbons (CFCs) and other ozone-depleting agents from commercial… Expand
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2004
2004
Pharmaceutical inhalers are often used to treat pulmonary diseases. Only active pharmaceutical ingredient (API) particles from… Expand
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2003
2003
Presented in this work are the results of a study designed to investigate the impact of the valve metering chamber volume and… Expand
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2001
2001
A novel one-step, low energy method, which avoids harsh processing conditions including potentially toxic and chemically reactive… Expand
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2000
2000
The aims of this study were to investigate descriptive parameters that may predict the solubility of compounds in the… Expand
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1996
1996
The biotransformation of the aerosol propellant 1,1,1,2,3,3,3-heptafluoropropane (HFA-227) was investigated in rats in vivo and… Expand
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