From: Zhengtian Capsule versus flunarizine in patients with migraine: a multi-center, double-blind, double-dummy, randomized controlled, non-inferior clinical trial
Responder rate
Treatment group (n = 177)
Control group (n = 180)
P value
4Â W
38(21.47Â %)
38(21.11Â %)
0.108
8Â W
61(34.46Â %)
70(38.89Â %)
0.455
12Â W
106(59.89Â %)
89(49.44Â %)
0.002*
Follow-up period
97(54.80Â %)
69(38.33Â %)
<0.001*