The Department has made no such estimate. The National Institute for Health and Clinical Excellence (NICE) has published costing reports alongside its two technology appraisals relating to the use of corticosteroids in the treatment of chronic asthma in adults and children. The costing reports are published on NICE'S website at:
The net ingredient cost of metered dose inhalers (including pressurised metered dose inhalers and dry powder inhalers) together with refills was £773.7 million in 2007-08 and £833.6 million in 2008-09. Figures are taken from the Prescription Cost Analysis system, supplied by the Prescription Services Division of the NHS Business Services Authority.
Metered dose inhalers are defined by those listed within British National Formulary sections 3.1 Bronchodilators, 3.2 Corticosteroids and 3.3 Cromoglaticate and related therapy and leukotriene receptor antagonists.