Abstract
Fifty obese patients were entered into a 12-week parallel group study of mazindol with diethylpropion in a general practice group. Both drugs produced weight loss, but patients on mazindol lost 19·9 lbs in 12 weeks, while those on diethylpropion lost 11·6 lbs, a statistically significant difference (p > 0·01). At each visit during the trial, patients had lost more weight with mazindol, but this was only significant statistically in the period 8-12 weeks (p > 0·01). Patients developed tolerance to the effect of diethylpropion in the last period (8·12 weeks) but this was not evident in those patients taking mazindol. The number of side-effects was less in the mazindol group and mainly of an adrenergic, peripheral type, while those in the diethylpropion group are mainly of the central stimulant type.
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