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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT03691675
Other study ID # SecondJilinU-3
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date October 2018
Est. completion date April 2019

Study information

Verified date September 2018
Source Second Hospital of Jilin University
Contact Bin Liu, Doctor
Phone 13500810268
Email liubin3333@vip.sina.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Intro-stent restenosis, bifurcation lesions and small vascular lesion with diameter <2.75mm is the indication of drug coated balloon. In the era of traditional coronary artery balloon dilatation, it is believed that muscle fiber of coronary artery great vessels is more abundant than that of small vessels, and elastic recoil and dissection are easier to appear upon dilatation, which will result in acute vascular occlusion and restenosis, so it is not recommended for great vessels to only receive PTCA therapy. But for patients with good angiography result without combination of serious dissections after predilation, the acute thrombosis seems to be a key factor for acute vascular occlusion. Traditional antiplatelet drug doesn't have a good effect, but the application of new-generation antiplatelet drug (clopidogrel, ticagrelor and tirofiban) has greatly reduced the occurrence rate of acute thrombosis. Therefore, under the guarantee of fully antiplatelet action of new-generation antiplatelet drug, for the patients with good angiography result without combination of serious dissections after predilation, Drug coated balloon seems to be an alternative of the stent. This research is to verify the safety and efficacy of Drug coated balloon in de novo coronary artery lesion with vascular diameter ≥2.75mm.


Description:

Stable or unstable angina patients who accept drug coated balloon dilatation therapy with diameter stenosis≥50%, reference diameter≥2.75mm will be enrolled. OCT examination should be carried out after radiography, predilation, Drug coated balloon dilatation and follow-up.

For target lesion, balloon should be used for predilation (the ratio of balloon diameter to vascular diameter being 0.8-1.0:1), and for good predilation effects, high pressure balloon, cutting balloon, dual-wire balloon and spines balloon can be adopted. OCT examination should be carry out after balloon satisfactory predilation. Satisfactory predilation radiography result is residual stenosis≤30%,TIMI 3 flow without major dissections (type C or higher) in NHLBI classification. OCT satisfactory result is residual stenosis≤30% without dissection, or with dissection but the dissection angle is ≤90°. Then carry out DCB balloon dilatation therapy. The ratio of balloon diameter to vascular diameter is 0.8-1.0:1, and both ends of DCB exceed the preprocessing area of lesion for 2-3mm, thus avoiding the occurrence of geographical mismatch. Dilation pressure is 8-10atm, lasting for at least 30s. Each DCB catheter can be used once only.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 45
Est. completion date April 2019
Est. primary completion date December 2018
Accepts healthy volunteers No
Gender All
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria

- At the age of 18-80 (18 and 80 included)

- The female at reproductive age shouldn't get pregnant or plan to get pregnant during the research

- Patients must agree to accept 3-month angiography follow-up

- Patients must agree to accept clinical follow-up on 30-day, 60-day and 90-day after operation

- Psychologically and linguistically, patients could have an understanding of the research purpose, revealing sufficient compliance with the research proposal. The patients' provision of the informed consent represents that the patient accepts the risks and benefits described in the informed consent.

- Target lesion diameter stenosis is =50%, and reference vascular diameter is =2.75mm

- De novo coronary lesion

- Type A lesion

Exclusion criteria

- Patients with myocardial infarction within one week

- Patients with congestive heart failure or severe NYHAIV heart failure

- Patients with severe valvular heart disease

- The female in pregnancy or lactation period

- Patients whose life expectancy don't exceed 1 year or who might have difficulty in clinical follow-up

- Patients who are of bleeding physique or forbidden to administer anticoagulants or antiplatelet drugs

- Patients who suffered from cerebral stroke within 6 months prior to surgery

- Patients who are involved in any other clinical trials

- Patients who fail to satisfy angiography conditions due to currently suffering from or previously undergoing severe renal failure (GFR<30ml/min)

- Patients who underwent heart transplantation

- Patients who are deemed inappropriate for inclusion by the researcher due to other reasons

- Lesion of left main coronary artery

- Double vessel or triple vessel disease needed to be interventional treated

- Double vessel or triple vessel disease needed to be interventional treated

- Patients who are intolerant of aspirin and/or clopidogrel, have the medical history of neutrocytopenia or thrombocytopenia, or are forbidden to administer clopidogrel due to severe hepatic insufficiency

- Patients with known hypersensitivity

- Patients with the history of leukopenia (white blood cell count<3x109/L for over 3 days), or neutrocytopenia (ANCs <1,000 neutrophils/mm3 for over 3 days) or thrombocytopenia (blood platelets<100,000/mm3)

- Patients having the history of peptic ulcer or gastrointestinal bleeding within the past 6 months

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Drug coated balloon
Patients with de novo lesion whose radiography showed that target lesion diameter stenosis is =50%, reference diameter is =2.75mm and who agreed with the Drug coated balloon dilatation therapy

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Second Hospital of Jilin University

Outcome

Type Measure Description Time frame Safety issue
Primary Lumen loss in advanced stage of lesion segments within 3 months Lumen loss in advanced stage of lesion segments within 3 months 3 months
Secondary Success rate of interventional therapy (including device success rate, lesion success rate and clinical success rate) 3 months
Secondary Occurrence rate of dissection after procedure 3 months
Secondary Binary restenosis rate 3 months after procedure 3 months
Secondary Cardiovascular clinical composite endpoints related to device at the time of 30 days, 60 days and 90days after the surgery include cardiac death, target vessel myocardial infarction and target lesion revascularization driven by clinical symptoms, 3 months
Secondary Cardiovascular clinical composite endpoints related to patients at the time of 30 days, 60 days and 90 days after the surgery include all-cause mortality, all myocardial infarction and any revascularization 3 months
Secondary ARC-defined occurrence rate of thrombotic events (identified, probable and non-excluded thrombosis during acute, subacute and advanced stage) 3 months
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