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Table 1 Incidence of Prostaglandin E2 (PGE2)-induced immediate and delayed headache in eight healthy subjects

From: The pharmacological effect of BGC20-1531, a novel prostanoid EP4 receptor antagonist, in the Prostaglandin E2 human model of headache

 

Placebo plus PGE2

BGC20-1531 200 mg plus PGE2

BGC20-1531 400 mg plus PGE2

Incidence of immediate headache

6

6

7

Incidence of delayed headache

1

1

1

  1. McNemar test showed no difference in incidence of immediate and delayed headache between placebo and BGC20-1531 200 and 400 mg (P > 0.05)