TABLE 4

Statistical analyses of effects of various compounds on self administration of cocaine as shown in Fig. 5

Δ values were calculated as a subtraction of response rates maintained by cocaine pretreated with test compounds from those with saline vehicle.

TreatmentSelf Administered Drug DosePretreatment Dose (i.p.)InteractionPost Hoc Test
AZ 66 (i.p.) before cocaine self administrationF4,60 = 5.22, P = 0.005F3,60 = 2.41, P = 0.107F12,60 = 2.67, P = 0.0061.0 mg/kg (i.p.) at 0.32 mg/kg per injection, t = 4.24, P < 0.001
3.2 mg/kg (i.p.) at 0.32 mg/kg per injection, t = 3.54, P = 0.004
10 mg/kg (i.p.) at 0.32 mg/kg per injection, t = 5.05, P < 0.001
CM 304 (i.p.) before cocaine self administrationF4,60 = 7.44, P < 0.001F3,60 = 4.52, P = 0.019F12,60 = 3.25, P = 0.0011.0 mg/kg (i.p.) at 0.32 mg/kg per injection, t = 5.53, P = 0.010 (Δ = 0.026)
3.2 mg/kg (i.p.) at 0.32 mg/kg per injection, t = 3.28, P < 0.001 (Δ = 0.043)
CM 353 (i.p.) before cocaine self administrationF4,60 = 5.77, P = 0.003F3,60 = 2.37, P = 0.112F12,60 = 3.04, P = 0.00210 mg/kg (i.p.) at 0.32 mg/kg per injection, t = 3.88, P = 0.001
CM 398 (i.p.) before cocaine self administrationF4,60 = 4.45, P < 0.001F3,60 = 12.7, P = 0.020F12,60 = 6.22, P < 0.0011.0 mg/kg (i.p.) at 0.10 mg/kg per injection, t = 2.91, P = 0.030 (Δ = 0.031)
0.32 mg/kg (i.p.) at 0.32 mg/kg per injection, t = 3.72, P = 0.002 (Δ = −0.024)
3.2 mg/kg (i.p.) at 0.32 mg/kg per injection, t = 7.65, P < 0.001 (Δ = 0.065)
(±)-SM 21 (i.p.) before cocaine self administrationF4,60 = 13.1, P < 0.001F3,60 = 6.57, P = 0.005F12,60 = 8.19, P < 0.0013.2 mg/kg (i.p.) at 0.10 mg/kg per injection, t = 3.92, P = 0.001 (Δ = −0.053)
32 mg/kg (i.p.) at 0.10 mg/kg per injection, t = 3.44, P = 0.007 (Δ = −0.046)
3.2 mg/kg (i.p.) at 0.32 mg/kg per injection, t = 4.09, P < 0.001 (Δ = 0.045)
32 mg/kg (i.p.) at 0.32 mg/kg per injection, t = 3.30, P = 0.010 (Δ = −0.055)
SN 79 (i.p.) before cocaine self administrationF4,60 = 13.0, P < 0.001F3,60 = 7.91, P = 0.002F12,60 = 6.43, P < 0.00117 mg/kg (i.p.) at 0.10 mg/kg per injection, t = 4.16, P < 0.001 (Δ = 0.092)
3.2 mg/kg (i.p.) at 0.32 mg/kg per injection, t = 3.89, P = 0.001 (Δ = 0.086)
17 mg/kg (i.p.) at 0.32 mg/kg per injection, t = 4.15, P < 0.001 (Δ = 0.092)
SN 167 (i.p.) before cocaine self administrationF4,60 = 7.16, P < 0.001F3,60 = 4.87, P = 0.015F12,60 = 3.17, P = 0.00117 mg/kg (i.p.) at 0.32 mg/kg per injection, t = 3.77, P = 0.002 (Δ = 0.023)