Editor, – I would like to draw your attention to the review of insulin glargine (Aust Prescr 2004;27:50-1), particularly the statement that insulin glargine is not suitable for use in patients with type 2 diabetes.
Insulin glargine has an indication for use in type 2 patients in its approved product information. The use of insulin glargine in this patient group continues to be supported by a large body of clinical trial evidence, as well as postmarketing experience in many countries where it has been used in clinical trials or commercially available for almost five years.
The review, which referred to guidelines prepared by the National Institute for Clinical Excellence (NICE) in the UK, has omitted the important qualifying information which NICE made to its general advice on the use of insulin glargine. These guidelines in fact specify quite distinct groups of patients in which insulin glargine should be considered, which taken together account for a significant proportion of all patients with type 2 diabetes.1
In addition, the claim that 'long-term effectiveness of insulin glargine is currently unknown' is, we believe, out of date. There are several published studies involving insulin glargine lasting up to 52 weeks in duration. There is no evidence to date that the effectiveness of insulin glargine diminishes with time.
James Robertson
Senior Medical Advisor
Aventis Pharma
Lane Cove, NSW