Treatment

Dose

No of writhing

% Inhibition

Vehicle

10 mL/kg

11.00 ± 0.89

SRD-P401

1000 mg/kg

3.83 ± 0.48

(p < 0.05)

65.2

SRD-P401

100 mg/kg

5.80 ± 3.38

47.3

Aspirin

100 mg/kg

3.41 ± 2.01

(p < 0.05)

69.0