Can drug treatment be improved by feedback on prescribing profiles combined with therapeutic recommendations? A prospective, controlled trial in general practice.

We have carried out a prospective, controlled trial to ascertain whether mailed feedback on general practitioners' (GPs) own prescribing combined with relevant recommendations on drug treatment, can improve the prescribing. The GPs in the Norwegian county of Møre and Romsdal recorded all their contacts with patients and prescriptions during two periods. After the first period the GPs in Romsdal only (intervention group) received a mailed report giving their prescribing profiles as well as treatment recommendations for insomnia and acute cystitis. The total number of contacts with patients was 68,625 in which 55,747 items were prescribed. The GPs in the intervention group changed their prescribing in accordance with the intervention: they prescribed significantly less sleeping-pills for each patient, preferred short- to long-acting benzodiazepine hypnotics and tranquilizers, and they chose trimethoprim as a first line treatment for acute cystitis. We conclude that it is possible to improve the GPs' prescribing through mailed feedback.