Use of cimetidine; parallels and discrepancies between the views of drug regulatory agencies and practicing physicians

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Abstract
The use of cimetidine in general practice was studied in relation to the guidelines approved by the Dutch National Drug Regulatory Agency (DRA). National and regional figures showed that the frequency with which cimetidine was prescribed in general practice was greater than could be explained on the basis of approved indications alone. Analysis of its employment in 14 hypothetical cases suggested however, that general practitioners in The Netherlands chose their indications for cimetidine and the duration of cimetidine treatment according to the guidelines for its use approved by the DRA; only 12.7% of the prescriptions related to indications that had not been approved in The Netherlands, the most prominent finding being the case of a possible gastric carcinoma. It was estimated that less than half of all cimetidine prescriptions in general practice will be issued for indications approved by the Dutch DRA. Some discrepancy exists with regard to the dose employed; contrary to the recommendations of the DRA, the dose chosen varied little from indication to indication.

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