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Aortic Arch AneurysmNCT06520774

Concave Supra-arch Branched Stent-Graft System for Endovascular Treatment of Aortic Arch Diseases

A study testing Concave Supra-arch Branched Stent-Graft System in people with Aortic Arch Aneurysm and Penetrating Aortic Ulcer, run by Lifetech Scientific (Shenzhen) Co., Ltd. at 17 sites in 2 countries.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
Search all trials

Trial summary

The objective of the study is to evaluate the safety and efficacy of the Lifetech Concave Supra-arch Branched Stent-Graft System for Endovascular Treatment of Aortic Arch Diseases Read more about this study

Who is it for?
Ages 18 to 80 years
What is being tested?
Concave Supra-arch Branched Stent-Graft System
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
103 participants
Where
17 sitesin 2 countries
Study dates
30 May 2024to 30 Jun 2031
Phase
Interventional
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 80 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patients who are aged 18 to 80 years inclusive;
  • Patients diagnosed with aortic arch aneurysms or penetrating ulcers that require intervention, and for whom the proximal end of the stent needs to be anchored in the Z0 zone;
  • Anatomical criteria, including:
  • Ascending aorta length is greater than or equal to 50 mm (distance from aortic sinus to anterior edge of innominate artery);
  • The diameter range of the anchoring area at the proximal end of the main body is between 25-45 mm and the length is greater than or equal to 30 mm;
  • The diameter of the anchored area of supra-arch branch vessels (innominate artery, left common carotid artery, left subclavian artery) is between 5-18 mm, distal anchorage length is greater than or equal to 15 mm;
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  • Distance between the anterior edge of the innominate artery to the posterior edge of the left subclavian artery is less than or equal to 80 mm;
  • Have a suitable iliac, femoral, and superior arch arterial access;
  • At least two researchers should assess that the subject is a high-risk patient for surgical treatment or has significant contraindications to surgery. It is recommended to refer to the following criteria: a score of ≥6 in the European System for Cardiac Operative Risk Evaluation (EuroSCORE) scoring system.;
  • Patients who understand the purpose of the study, volunteer to participate and sign the informed consent form, and are willing to complete follow-up visits as required by the protocol.

Who cannot join

  • Patients either with ruptured or infected aneurysms;
  • Patients with aortic dissection;
  • Patients with general or local infections that may increase the risk of endovascular graft infection;
  • Patients with severe stenosis, calcification, or mural thrombus in the stent anchoring area, which is likely to impede stent-graft adherence or affect stent patency;
  • Previous endovascular intervention involving the aortic arch;
  • Underwent open or endovascular surgery for abdominal aorta within the past 3 months;
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  • Patients with a history of stroke within the past 3 months (excluding TIA);
  • Patients with aneurysms involving the distal descending aorta and requiring reconstruction of important visceral branch vessels within the abdomen;
  • Patients with a history of myocardial infarction within the past 3 months;
  • Patients with congestive heart failure - NYHA Class IV;
  • Patients allergic to contrast agents, stent and delivery system materials (such as nitinol, polyester, PTFE, nylon polymer materials);
  • Patients with contraindications to anticoagulant or antiplatelet drugs;
  • Patients unable to tolerate general anesthesia;
  • Patients with abnormal liver and kidney function before surgery (ALT or AST more than 5 times the upper limit of normal; serum creatinine (Cr) >150umol/L);
  • Patients with connective tissue diseases, such as Marfan syndrome, Ehlers-Danlos syndrome, or Behcet's disease;
  • Patients with arteritis;
  • Patients with a life expectancy of less than 1 year;
  • Women who are planning to conceive, pregnant or breastfeeding;
  • Patients deemed by the investigator as unsuitable for endovascular treatment;
  • Patients who have participated in other clinical studies and have not withdrawn or been excluded within the 3 months prior to the screening period of this study.

Trial locations and contacts

17 sites in 2 countries. Contact the study team or a site near you to ask about taking part.

chang shu, Professor contact

13607444222

changshu01@yahoo.com

Martin Czerny, Professor contact

martin.czerny@universitaets-herzzentrum.de

17 sites in 2 countries

China16 sites, 16 recruiting
  • Fuwai Hospital, Chinese Academy of Medical Sciences

    Beijing

    chang shu, Professor

    Recruiting
  • Second Xiangya Hospital of Central South University

    Changsha

    chang shu, Professor

    Recruiting
  • West China Hospital, Sichuan University

    Chengdu

    Jia Hu, Professor

    Recruiting
  • The First Affiliated Hospital of Fujian Medical University

    Fuzhou

    Fanggang Cai, Professor

    Recruiting
  • Union Hospital Affiliated to Fujian Medical University

    Fuzhou

    Liangwan Chen, Professor

    Recruiting
  • The First Affiliated Hospital of Zhejiang University School of Medicine

    Hanzhou

    Hongkun Zhang, Professor

    Recruiting
  • The First Affiliated Hospital of Kunming Medical University

    Kunming

    Bin Yang, Professor

    Recruiting
  • The First People's Hospital of Yunnan Province

    Kunming

    Kunmei Gong, Professor

    Recruiting
  • Yunnan Fuwai Cardiovascular Disease Hospital

    Kunming

    Yuanyuan Guo, Professor

    Recruiting
  • Jiangsu Provincial People's Hospital

    Nanjing

    Xiwei Zhang, Professor

    Recruiting
  • Nanjing First Hospital

    Nanjing

    Xin Chen, Professor

    Recruiting
  • Zhongshan Hospital of Fudan University

    Shanghai

    Weiguo Fu, Professor

    Recruiting
  • Shenzhen Hospital of Fuwai Hospital of Chinese Academy of Medical Sciences

    Shenzhen

    Chang Shu, Professor

    Recruiting
  • Renmin Hospital of Wuhan University

    Wuhan

    Jun Xia, Professor

    Recruiting
  • Cardiovascular Disease Hospital Affiliated to Xiamen University

    Xiamen

    Hui Zhuang, Professor

    Recruiting
  • The First Affiliated Hospital of Zhengzhou University

    Zhengzhou

    Zhen Li, Professor

    Recruiting

Other trials in China

Germany1 site, 1 recruiting
  • Universitäts-Herzzentrum Freiburg - Bad Krozingen

    Freiburg im Breisgau

    Martin Czerny, Professor, martin.czerny@uniklinik-freiburg.de

    Not yet recruiting

Other trials in Germany

About this study

Official title: A Prospective, Multicenter, Single-Group Target-Value Clinical Trial: Concave Supra-arch Branched Stent-Graft System for Endovascular Treatment of Aortic Arch Diseases

The objective of the study is to evaluate the safety and efficacy of the Lifetech Concave Supra-arch Branched Stent-Graft System for Endovascular Treatment of Aortic Arch Diseases

Read the detailed description

The physician must strictly adhere to the clinical study protocol and shall not deviate from or substantially alter it. However, in cases of emergency where there is an immediate risk to the subjects that must be eliminated immediately, a report may be submitted in written form afterward. During the study, any amendments to the clinical study protocol, informed consent documents, requests for deviation, and the resumption of a suspended clinical study must receive written approval from the Ethics Committee.

Being tested
Concave Supra-arch Branched Stent-Graft System
Keywords
Lifetech, Concave Supra-arch Branched Stent-Graft System, Endovascular Treatment
Medical subject headings
Aneurysm, Aortic Arch, Penetrating Atherosclerotic Ulcer

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Concave Supra-arch Branched Stent-Graft SystemDevice

    To evaluate the efficacy and safety of Concave Supra-arch Branched Stent-Graft System for endovascular treatment of Aortic Arch Diseases

Study groups in NCT06520774
Study groupRoleWhat they receive
Concave Supra-arch Branched Stent-Graft SystemExperimentalEndovascular treatment of patients with Aortic Arch Diseases using Concave Supra-arch Branched Stent-Graft System
Receives: Device: Concave Supra-arch Branched Stent-Graft System

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Incidence of composite endpoints

    Composite endpoints refer to the occurrence of any of the following within 30 days post-surgery: all-cause mortality, disabling stroke, or permanent paraplegia.

    Measured: within 30 days post-surgery

  2. The clinical treatment success rate within 12 months

    The 12-month clinical treatment success rate is a composite endpoint that includes immediate technical success after surgery and the absence of the following conditions at 12 months postoperatively: death, displacement of the aortic or branch covered stents on CTA follow-up, Type I or III endoleak, branch stent occlusion, and the need for secondary surgical intervention during the follow-up period.

    Measured: pre-discharge (up to 14 days) and 12 months postoperatively

Secondary outcomes (13)
  1. Immediate technical success rate

    Immediate technical success refers to the successful delivery of the delivery system to the predetermined position, successful deployment of the system, safe removal of the delivery system from the body, and absence of type I and III endoleaks that require intervention on angiography at the end of the procedure, with all branch stents being patent.

    Measured: Immediate intraoperative

  2. Incidence of increase in the maximum diameter of the aneurysm/depth of ulceration by more than 5 mm at 6 months and 12 months postoperatively.

    Increase in the maximum diameter of the aneurysm/depth of ulceration> 5 mm

    Measured: 6 and 12 months postoperatively

  3. Incidence rate of Type I/III endoleak at Intraoperative, pre-discharge, 6 and 12 months postoperatively

    A Type I endoleak occurs when there is a gap between the graft and the vessel wall at the "seal zones." This gap allows blood to flow alongside the graft into the aneurysm sac, creating pressure within the sac and increasing the risk of rupture. Type I endoleaks often occur when the aneurysm's anatomy is unsuitable for endovascular aneurysm repair (EVAR) or due to inappropriate device selection. However, vessel dilation over time can also cause this type of endoleak. Immediate attention is typically required because of the high risk of sac enlargement and rupture.

    A Type III endoleak results from a defect or misalignment between the components of the endograft. Similar to a Type I endoleak, a Type III endoleak causes systemic pressure within the aneurysm sac, increasing the risk of rupture. Consequently, Type III endoleaks also necessitate urgent attention.

    The definition of "pre-discharge" is either the discharge date or the 14th postoperative day, whichever occurs first.

    Measured: Intraoperative, pre-discharge(up to 14 days), 6 and 12 months postoperatively

  4. Incidence rate of stent graft migration at 6 and 12 months postoperatively

    Migration is defined according to reporting standards as a stent graft shift of more than 10 mm relative to a primary anatomic landmark, or any displacement that results in symptoms or necessitates therapy. A standardized measurement protocol was employed in accordance with the reporting guidelines.

    Measured: 6 and 12 months postoperatively

  5. The patency rate of the branch vessel at 6 and 12 months postoperatively

    Branch vessel patency is defined as stenosis of ≤50%

    Measured: 6 and 12 months postoperatively

  6. Incidence rate of secondary surgical interventions related to the aortic arch and its branch arteries before discharge , at the 6 months and 12 months , and at 2-5 years postoperatively

    Incidence of secondary surgical interventions related to the aortic arch and its branch arteries

    Measured: before discharge (up to 14 days), at the 6 months and 12 months , and at 2-5 years postoperative

  7. Incidence rate of aneurysm rupture at Intraoperative, pre-discharge, 6 and 12 months, 2-5 years postoperatively

    An aneurysm is an abnormal bulge or ballooning in the wall of a blood vessel. If an aneurysm ruptures, it causes internal bleeding, which can often be fatal.

    Measured: Intraoperative, pre-discharge (up to 14 days), 6 and 12 months 2-5 years postoperatively

  8. Incidence rate of delivery system-related complications during perioperative period (from surgery to 30 days after surgery)

    The incidence rate of related complications during the perioperative period (from surgery to 30 days post-surgery) includes intraoperative conversion surgeries due to delivery devices, as well as bleeding, hematoma, and pseudoaneurysm occurring along the delivery access route.

    Measured: perioperative period (from surgery to 30 days after surgery)

  9. Incidence rate of MAE at Intraoperative, pre-discharge and within 30 days postoperatively

    A Major Adverse Event (MAE) is defined as any occurrence of all-cause mortality, intestinal necrosis, kidney failure, stroke (excluding TIA), permanent paraplegia, myocardial infarction, or respiratory failure.

    Measured: Intraoperative, pre-discharge(up to 14 days) and within 30 days postoperatively

  10. All-cause mortality at 6 months, 12 months, and 2-5 years postoperatively

    All-cause mortality refers to the rate of death from any cause within a specific population over a defined period of time.

    Measured: 6 months, 12 months, and 2-5 years postoperatively

  11. Aortic-related mortality at 6 months, 12 months, and 2-5 years postoperatively

    Aortic-related mortality refers to the proportion of deaths attributed to aortic conditions within a specific population over a defined period of time.

    Measured: 6 months, 12 months, and 2-5 years postoperatively

  12. Incidence rate of severe adverse events at 6 months, 12 months, and 2-5 years postoperatively

    A serious adverse event (SAE) in a clinical trial refers to any incident that results in death or a significant deterioration in health. This includes life-threatening illnesses or injuries, permanent impairment of a body structure or function, hospitalization or extended hospital stay, and medical or surgical interventions necessary to prevent permanent damage to physical structure or function. Additionally, SAEs encompass events causing fetal distress, fetal death, or congenital anomalies or defects.

    Measured: 6 months, 12 months, and 2-5 years postoperatively

  13. Incidence rate of Device-related adverse events at 6 months, 12 months, and 2-5 years postoperatively

    Medical device adverse events are unexpected incidents that occur during or after the use of a medical device by a patient. The World Health Organization (WHO) defines an adverse event as "a problem that can or does result in permanent impairment, injury, or death to the patient or the user." This definition implies two key requirements for determining a medical device adverse event. First, the event must be related to the usage of the medical device. Second, it must be assessed whether the use of the medical device could cause direct harm or potential harm.

    Measured: 6 months, 12 months, and 2-5 years postoperatively

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted25 Jul 2024
  2. Study start30 May 2024
  3. Primary completion30 Jul 2027 (estimated)
  4. Study completion30 Jun 2031 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Other
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
103 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06520774
Sponsor's protocol ID
P134-01
Status last verified
Jul 2025
First submitted
7 Jul 2024
Last updated
28 Jul 2025
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing Concave Supra-arch Branched Stent-Graft System in people with Aortic Arch Aneurysm and Penetrating Aortic Ulcer, run by Lifetech Scientific (Shenzhen) Co., Ltd. at 17 sites in 2 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 10 inclusion and 20 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: looking for participants now, as of the sponsor's last update on 28 Jul 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 17 sites in China, Germany. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact chang shu, Professor (13607444222, changshu01@yahoo.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Incidence of composite endpoints (time frame: within 30 days post-surgery). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 28 Jul 2025.

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