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Coil System(Ton-bridgeMT) for Endovascular Embolization of Cranial Aneurysms

The Efficacy and Safety Study on Endovascular Embolization of Intracranial Aneurysms With Coil System(Ton-bridgeMT)

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03550638
Enrollment
256
Registered
2018-06-08
Start date
2018-05-28
Completion date
2020-09-02
Last updated
2021-04-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Intracranial Aneurysms

Brief summary

The study is a prospective, multi-center, randomized, open, parallel positive control, non-inferiority trial. Patients are randomized 1:1 to either Coil System(Ton-bridgeMT) or Axium Detachable Coil(Medtronic). The purpose of this study is to assess the safety and effectiveness of the Coil System(Ton-bridgeMT) in the treatment of intracranial aneurysms.

Interventions

DEVICECoil system(Ton-bridgeMT)

1\. It consists of a push system with a development mark, and a Detachable platinum-tungsten alloy coil which is connected to the push system. It can be used for embolization of intracranial aneurysms, and other neurovascular abnormalities, such as arteriovenous malformation and arteriovenous fistula.

DEVICEAxium Detachable Coil(Medtronic)

2\. It is made up of a push system with a development mark, a platinum-tungsten alloy embolized coil connected to the push system and a manual release device for releasing the coil from the distal end of the push system. It is mainly used for embolization of intracranial aneurysms, and other neurovascular abnormalities, such as arteriovenous malformation and arteriovenous fistula.

Sponsors

Ton-Bridge Medical Tech. Co., Ltd
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

* Age 18-80 years. * Subject has a target intracranial aneurysm (IA) diagnosed by DSA, and intended to be embolised with coil system. * Subject or guardian is able to understand the purpose of study, agrees to comply with protocol requirements and has provided written informed consent.

Exclusion criteria

* Subject is diagnosed as multiple aneurysms. * Subject is diagnosed as intracranial bulloid, fusiform, false, dissectimng, infective aneurysm or with arteriovenous malformation. * mRS score≥3. * Hunt and Hess classification≥4. * Subject has emergency ruptured aneurysms and needs assisting stent. * The target aneurysm has received endovascular embolization or surgical treatment. * The aneurysm carrier artery has severe stenosis. * PLT\<60×109/L or INR\>1.5. * Subject has nonfunction of important organs or other severe diseases. * Major surgery in the last 30 days, or intending to receive surgical treatment in 90 days after enrollment. * Subject is allergic to antiplatelet drugs, anticoagulants, anesthetics, contrast agents or any related contraindication. * History of allergies to platinum and tungsten. * Expected life \<12 months. * Pregnant or lactating women. * Subject has participated in any other drug or medical device clinical trials in 1 month before writting informed consent . * Other circumstances judged by researchers are not suitable for enrollment .

Design outcomes

Primary

MeasureTime frameDescription
success rate of occlusion180 dayNumber of aneurysms(Raymond Ⅰ and Ⅱ)/number of overall aneurysms\*100%

Secondary

MeasureTime frameDescription
success rate of occlusionintraoperationNumber of aneurysms(Raymond Ⅰ and Ⅱ)/number of overall aneurysms\*100%
Recurrence rate180 day2\. Number of patients with recurrent aneurysms/ number of overall patients\*100%

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026