Table 6

Generalization of S18327 to a clozapine discriminative stimulus and actions of S18327 in models of potential anxiolytic activity

  Clozapine generalizationVogel Test ↑ Punished responses  ↓ Ultrasonic vocalizationsAggressive Behavior
↓ Number fights↓ Duration fights
ED50 (95% CL)%MOG (dose)MED%MOE (dose)ID50 (95% CL)%MOE (dose)ID50 (95% CL)%MOE (dose)ID50 (95% CL)%MOE (dose)
S183270.6 (0.3–1.6)80 (2.5)2.538 (2.5)0.07 (0.02–0.2)96 (0.63)0.2 (0.09–0.4)100 (2.5)0.2 (0.08–0.4)100 (2.5)
  • ED50 (95% CL), effective dose50 (95% confidence limits); ID50, inhibitory dose50; %MOG, %maximal observed generalization (dose at which obtained); %MOE, %maximal observed effect (dose at which obtained); MED, minimal effective dose. Doses are in mg/kg, s.c.