#$%^&*AU2010202617B220120719.pdf#####63 Treatment and or Prevention of Non-Viral Epithelial Damage Abstract There is provided the use of an inhibitor of phosphate transporter activity for the 5 manufacture of a medicament for the prevention and/or treatment of non-viral damage to an epithelium, or of a condition caused or characterised by such damage. The inhibitor of phosphate transporter activity may optionally be a phosphono-carboxylic acid, or a pharmaceutically acceptable derivative of such an acid. There are also provided methods of treatment using such inhibitors, acids and derivatives.