Koppeschaar, H P

Meinders, A E

Op de Kamp, I

Pijl, H

Veldhuis, H D

Willekens, F L

The effect of fluoxetine on body weight and spontaneous food choice was studied in twenty-three healthy, non-depressed, obese females on an outpatient basis. After a one week placebo run-in period, subjects were randomized to receive either fluoxetine (FXT) 60 mg daily (n = 11) or placebo (P) (n = 12) for 6 weeks in a double blind study design. BMI (35.2 +/- 0.8 vs 36.4 +/- 1.3 kg/m2, mean +/- s.e.m.) and age (38.1 +/- 239 vs 37.3 +/- 2.7 years) were not different in either group. No specific diet was prescribed. On four separate days per 14 days food records were collected. Data were analysed with the use of food composition tables. Statistical analysis was performed using Student's t test for independent samples for data on body weight and calorie intake. Macro-nutrient composition of the diet was analysed using multivariate analysis of variance and post hoc Student's t test for independent samples. All subjects lost weight during fluoxetine treatment. Mean (+/- s.e.m.) weight loss in the fluoxetine treated group was 3.6 +/- 0.5 kg, compared to a mean weight gain of 0.3 +/- 0.5 kg in the placebo treated group (P less than 0.001). In all patients food intake was reduced during fluoxetine treatment and this reduction could fully account for the observed weight loss. The mean total caloric intake per day was significantly lower during fluoxetine treatment compared with placebo (FXT 1123 +/- 118 kcal vs P 1845 +/- 87 kcal, P less than 0.001).(ABSTRACT TRUNCATED AT 250 WORDS)</p

Effect of serotonin re-uptake inhibition by fluoxetine on body weight and spontaneous food choice in obesity

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