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Clinical Trial Summary

Aneurysmal subarachnoid hemorrhage (SAH) is a frequent worldwide cause for stroke with a mortality of around 30%. Worldwide, almost 500 000 patients have aneurysmal SAH annually.An incidence of 2-16 cases of spontaneous SAH per 100 000 person-years was reported in a recent meta-analysis . Surgical treatment of aneurysms is essential in the acute phase of aSAH patients, either by surgical clipping or by endovascular embolization. Although there are many factors that influence the prognosis of patients with aSAH, cerebral vasospasm (CVS) and delayed cerebral ischemia (DCI) are the main factors contributing to the high mortality rate (30-40% within 30 days) and poor long-term functional prognosis of patients after aSAH. Cerebral vasospasm (CVS) is defined as focal or diffuse temporary narrowing of vessel diameter due to contraction of smooth muscle in the arterial wall, which can be detected by digital subtraction angiography (DSA), transcranial ultrasound Doppler (TCD), magnetic resonance (MR), and CT angiography (CTA) or visualised during intraoperative.The prevalence of CVS after aSAH is 67% , with symptomatic patients (symptomatic vasospasm) in 30-40% of them and leading to ischaemic events in 10-45% of patients. It usually begins 3-4 days after bleeding, peaks at 7-10 days and finally resolves at around 14-21 days. There is no effective treatment to prevent cerebral vasospasm events.Shuxuening Injection is a sterilized aqueous solution made by extraction of Ginkgo biloba. The study aims to clarify the clinical study of the efficacy and safety of Shuxuening Injection (10ml/branch) for the prophylactic of cerebral vasospasm (CVS) after aneurysmal subarachnoid hemorrhage.


Clinical Trial Description

This was a randomized, double-blind, placebo-parallel controlled clinical trial. Patients were randomly divided into 2 groups according to 1:1. Group1: Shuxuening injection treatment group (N1=25): Shuxuening injection (specification: 10ml/branch, Lonch Group Wanrong Pharmaceutical Co., Ltd.), 20 ml (2 branches) + 5% dextrose injection 250 ml, intravenously, once a day, from the first day of postoperative, treatment for 1 course of treatment, a total of 10-14 days; Group2: Placebo control group (N2=25): Shuxuening injection simulant (0.9% sodium chloride injection, specification: 10ml/cartridge, Kunming Yusi Pharmaceutical Co., Ltd.), 20 ml (2 cartridges) + 5% dextrose injection 250 ml, intravenously once a day, from the first day of postoperative, treatment for 1 course of treatment, for a total of 10-14 days; both groups received the basal treatment. Basic treatment included nimodipine (oral nimodipine, 60 mg, 4 hours/dose), oxygen inhalation,blood pressure and cardiac monitoring, fluid balance and blood glucose management, etc., in accordance with the "2023 American Heart Association/American Stroke Association (AHA/ASA) Guidelines for the Management of Patients with Aneurysmal Subarachnoid Haemorrhage". Patients will be classified according to the Hunt-Hess grade, with H-H I-II grade placed in the general ward and III-V grade placed in the intensive care unit(ICU). ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06138353
Study type Interventional
Source Beijing Tiantan Hospital
Contact Jun Yang, doctoral
Phone 010-18911127316
Email yangjun4780@163.com
Status Recruiting
Phase Phase 2/Phase 3
Start date January 24, 2024
Completion date November 30, 2025

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