Table 1

Actions of S18327 in diverse models of potential antipsychotic activity

S18327
ID50 (95% CL)% MOE (dose)
Apomorphine climbing0.2  (0.1–0.5)100  (2.5)
Conditioned avoidance responses0.8  (0.2–1.7)98  (5.0)
Amphetamine locomotion1.3  (0.14–12.1)98  (10.0)
Cocaine locomotion0.7  (0.3–1.5)80  (2.5)
DOI head twitches0.1  (0.07–0.14)91  (0.16)
PCP locomotion0.1  (0.02–0.4)100  (0.31)
Dizocilpine locomotion0.9  (0.4–2.2)95  (10.0)
Dizocilpine STF1.7  (0.8–3.8)97  (10.0)
  • PCP, phencyclidine; DOI, (1-[2,5-dimethoxy-4-iodophenyl]-2-aminopropane); STF, spontaneous tail-flicks; ID50 (95% CL), inhibitory dose50 (95% confidence limits); %MOE, % maximal observed effect (dose at which obtained). Doses are in mg/kg, s.c.