PMID: 9181085Aug 1, 1996Paper

A comparative study of the anorectic and behavioral effects of fenproporex on male and female rats

Brazilian Journal of Medical and Biological Research = Revista Brasileira De Pesquisas Médicas E Biológicas
R Mattei, E A Carlini

Abstract

The anorectic and behavioral effects of fenproporex (Fenp, 10 mg/kg, ip) and methamphetamine (Met, 2.5 mg/kg, ip), a prototypical example of an amphetamine-like drug, were studied in male and female Wistar rats (5 and 3 months of age, respectively, at the beginning of the experiments) after acute (immediately after a single dose) or chronic treatment (after 60 days of administration). For the evaluation of the experimental parameters six groups of eight rats each were utilized for food intake and stereotyped behavior and six groups of nine rats each for body weight and motor activity. Similar anorectic effects (decreased food intake in grams: saline (Sal): 12.8 +/- 2.5, Met: 4.7 +/- 4.0, and Fenp: 4.4 +/- 20; decreased weight gain: Sal: 38 +/- 10, Met: 25 +/- 1.0, and Fenp: 27 +/- 3.0) were induced by both drugs in male rats. Female rats, however, required larger doses (20 mg/kg Fenp and 5.0 mg/kg Met) for a complete blockade of food intake. The behavioral tests were carried out 30, 60, 120, 180 and 300 min after drug administration and on day 1 and day 60 immediately after the treatment, for stereotypy and motor activity, respectively (male rats: Met: 3.8 +/- 0.3, Fenp: 6.0 +/- 0.9, and female rats: Met: 15.4 +/- 1.9, Fenp: 9....Continue Reading

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