TABLE 2

Maximal % AZD9272 responding ED50 and confidence limits, and maximal effects on response rates, in rats trained to discriminate AZD9272 from no drug

CompoundMax % Drug RespondingMax Response Rate Effects
At DoseMeanS.E.M.ED50 (95% CL)Rats Responding (Rats Tested)At DoseMeanS.E.M.% of VehRats Responding (Rats Tested)
mg/kgmg/kg
AZD92720.2887.5212.030.21 (0.03–1.76)8 (8)0.281.890.241178 (8)
PCP0.2817.1616.57<50%6 (6)1.591.880.261216 (6)
MTEP2.0050.04a22.141.74 (1.13–2.67)6 (6)2.001.580.19866 (6)
Fenobam8.0099.960.041.50 (0.17–12.81)6 (6)0.801.450.19966 (6)
AZD20663.8283.3716.590.46 (0.09–2.35)6 (6)3.821.720.23966 (6)
  • CL, confidence limit; Veh, vehicle.

  • a Note that the 2.0 mg/kg dose was the highest dose tested. See Discussion for further details.