Clinical Safety and Efficacy of Flow-diverter in the Treatment of Intracranial Aneurysms

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

523 participants

Study Classification

OBSERVATIONAL

Study Start Date

2025-04-27

Study Completion Date

2027-04-30

Brief Summary

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To collect the safety and effectiveness data of flow-di in the treatment of intracranial aneurysms in real-world clinical practice, verify its classification of treatment strategies for aneurysms of different locations and shapes, and optimize postoperative medication regimen, provide long-term evidence-based basis for clinical treatment of intracranial aneurysms, and build a database.

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Detailed Description

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The purpose of this study is to verify the clinical safety and effectiveness of Flow Diverters (FD) in the treatment of intracranial aneurysms. In recent years, FD, as a new type of minimally invasive interventional treatment method, has been widely used in the treatment of various types of intracranial aneurysms. FD promotes the formation of thrombosis in the aneurysm by changing the hemodynamics of the aneurysm, and promotes the repair of vascular endothelium, thereby achieving tumor occlusion. In this study, 523 patients with various types of intracranial aneurysms will be recruited in 36 centers, using a multicenter, prospective, single-arm study design. The main goal of the study was to assess the complete occlusion rate of aneurysms in the 12 months after FD treatment. Secondary goals included postoperative complications (such as cerebral infarction, intracranial thrombosis), postoperative nerve function recovery, and patients' quality of life. At the same time, a large-scale domestic FD database for the treatment of intracranial aneurysms was established. The results of the study will verify the efficacy and safety of FD through clinical imaging evaluation (mainly cerebral angiography) and long-term clinical follow-up data. At the same time, the success rate of surgery and the incidence of restenosis in the stent are analyzed to comprehensively evaluate the application prospects of FD in the treatment of intracranial aneurysms. The results of this study will provide an important evidence-based basis for further promoting the clinical application of FD, optimizing the treatment plan of aneurysms, and improving the patient's prognosis.

Conditions

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Flow Diverter

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

1)18 years ≤80 years; 2) intracranial aneurysm diagnosed by CTA, MRA or DSA (Including wide-necked aneurysms (neck width ≥4mm or Dome/neck ratio \<2), saccular, fusiform aneurysms, recurrent saccular aneurysms and dissecting aneurysms, and the diameter of the parent vessel ≥ 2.0 mm and ≤ 6.0 mm; the location includes: anterior circulation C3 segment and above of internal carotid artery, distal artery of Willis circle, posterior circulation V4 segment of vertebral artery and basilar artery and its main branches; 3) Voluntary participation in this study and signing of the Informed Consent Form (ICF).

Exclusion Criteria

1)AVM related aneurysm; 2) Acute ruptured aneurysm; 3) Severe stenosis or tortuosity of intracranial artery, or anatomical abnormality, which makes it difficult for the device to reach the lesion ; 4) Patients with hemorrhagic or ischemic stroke within 30 days; 5) Modified Rankin Score (mRS)\>2 points before operation; 6) Patients with life expectancy less than 12 months; 7) Patients with definite history of allergy to cobalt-chromium alloy and platinum-tungsten alloy materials; Allergy to contrast media; 8) antiplatelet (PLT)\<100×10\^ 9 /L or/and anticoagulation contraindicated; 9) pregnant or lactating women; 10) other study participants who were assessed by the investigator as unsuitable for participation in the study.

Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No