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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04745546
Other study ID # WeFlow-JAAA V1.0
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date October 28, 2019
Est. completion date February 1, 2022

Study information

Verified date February 2021
Source Hangzhou Endonom Medtech Co., Ltd.
Contact Wei Guo, Professor
Phone +861066937166
Email Pla301dml@vip.sina.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study is the First in Man Study of WeFlow-JAAA Stent Graft System manufactured by EndoNom Medtech(Hangzhou) Co., Ltd.


Description:

This clinical trial was conducted in a qualified clinical trial institution. Investigators will use WeFlow-JAAA Stent Graft System manufactured by EndoNom Medtech (Hangzhou) Co., Ltd. to treat patients with juxta renal abdominal aortic aneurysms. This is a Prospective, single-center, first in man study to evaluate the safety and effectiveness of abdominal aorta stent graft system in the treatment of patients with juxta renal abdominal aortic aneurysms. Follow-up will be conducted before discharge, 30 days after surgery, 6 months after surgery and 12 months after surgery.


Recruitment information / eligibility

Status Recruiting
Enrollment 15
Est. completion date February 1, 2022
Est. primary completion date January 1, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria: 1.18 to 80 years old; 2.Able to understand the purpose of the trial, participate in the trial voluntarily with informed consent form signed by the patient him/herself or his or her legal representative, and willing to complete follow-up visits as required under the protocol; 3.Diagnosed as a perirenal abdominal aortic aneurysm, and need to reconstruct the superior mesenteric artery and both renal arteries blood supply; 4.The diameter of the proximal anchoring area (abdominal aorta at the lower edge of the superior mesenteric artery opening) is 18-34mm; 5.The upper edge of the aneurysmal body is more than 5mm from the lower edge of the superior mesenteric artery opening; 6.The distance between the bifurcation of the renal artery and the opening of the renal artery is more than 15mm, and the diameter range of the beginning of the renal artery is 5-8mm; 7.The twist angle of the proximal tumor neck (the angle between the long axis of the normal abdominal aorta and the long axis of the tumor neck) =120°; 8.With proper femoral artery, iliac artery, and brachial artery approach, aortic endovascular treatment can be performed. Exclusion Criteria: 1. Severe stenosis, calcification and mural thrombosis in the proximal anchoring area; 2. Pregnant, breastfeeding or cannot contraception during the trial period; 3. The patient has participated in clinical trials of other drugs or devices during the same period; 4. Need to intervene in other vascular diseases (such as coronary artery and carotid artery) during the same operation and the postoperative drug treatment plan is affected; 5. Have history of aortic surgery or endovascular repair surgery; 6. Allergic to contrast agents, anesthetics, stents and delivery materials; 7. Cannot tolerate anesthesia; 8. Severe liver, kidney, lung, and heart function abnormalities before surgery [Serum creatinine exceeds 2 times the upper limit of normal; alanine aminotransferase (ALT) or aspartate aminotransferase (AST) exceeds 5 times the upper limit of normal ;Serum total bilirubin (STB) more than 2 times the upper limit of normal; Left ventricular ejection fraction is lower than normal by cardiac color Doppler ultrasound examination]; 9. Ruptured abdominal aortic aneurysm, pseudo aortic aneurysm and dissecting aortic aneurysm; 10. History of myocardial infarction, TIA or cerebral infarction within the past 3 months; 11. Contraindications in the treatment of antiplatelet agents and anticoagulants; 12. Life expectancy is less than 12 months (such as advanced malignant tumors) 13. Acute systemic infection 14. Investigator judged that not suitable for interventional treatment.

Study Design


Related Conditions & MeSH terms


Intervention

Device:
WeFlow-JAAA Stent Graft System
The abdominal aorta stent graft system consists of the abdominal aorta embedded stent system, the abdominal aorta bifurcation stent system and the extended stent system. The abdominal aorta embedded stent has two embedded branch stents and two fenestrations. It can be combined with a peripheral small stent system of appropriate specifications to reconstruct the superior mesenteric artery, bilateral renal arteries and keep the abdominal trunk unobstructed. At the same time, the combination of the abdominal aorta embedded stent, the abdominal aorta bifurcation stent and the extended stent can solve the proximal renal and transrenal abdominal aortic aneurysm lesions with the upper edge of the abdominal aortic aneurysm body and the lower edge of the superior mesenteric artery opening = 5 mm.

Locations

Country Name City State
China Chinese PLA General Hospital Beijing

Sponsors (1)

Lead Sponsor Collaborator
Hangzhou Endonom Medtech Co., Ltd.

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Primary safety endpoint No major adverse events related to device or surgery within 30 days after surgery :
Major adverse events within 30 days after surgery are all-cause death, myocardial infarction, renal failure, respiratory failure, ischemic stroke, intestinal necrosis, severe ischemia, or necrosis of lower limbs.
30 days
Primary Primary effective endpoint Treatment success rate of abdominal aortic aneurysm 12 months after operation. 12 months
Secondary Secondary safety endpoint All-cause mortality, abdominal aortic aneurysm-related mortality, serious adverse events, device-related adverse events:
All-cause mortality 30 days, 6 months, 12 months after operation.
Abdominal aortic aneurysm related mortality 30 days, 6 months, 12 months after operation.
The incidence of serious adverse events 30 days, 6 months, 12 months after operation.
The incidence of device-related adverse events 30 days, 6 months, 12 months after operation.
30 days, 6 months, 12 months
Secondary Secondary effective endpoint The incidence of type I or type III endoleak, the incidence of stent graft displacement, the patency rate of branch vessels, the incidence of conversion to open surgery or secondary interventional surgery. 30 days, 6 months, 12 months