Evaluation of the Safety and Efficacy of Parecoxib in Patients With Subarachnoid Hemorrhage

Parecoxib (Dynastat) 40 mg solution for injection is for intravenous administration. Parecoxib may be given as an intravenous injection for 30 minutes directly into a vein or through an intravenous infusion set.

Placebo intravenous injection can be administered quickly and directly into a vein or through an intravenous infusion set.