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A Safety and Efficacy Study of Dissolve™ in Treatment of Coronary Small Vessel Disease

Not Applicable
Completed
Conditions
Coronary Small Vessel Disease
Registration Number
NCT03376646
Lead Sponsor
DK Medical Technology (Suzhou) Co., Ltd.
Brief Summary

The purpose of this study is to evaluate the efficacy and safety in the treatment of Coronary Small Vessel Disease by drug coated balloon (DCB) Dissolve™ versus drug eluting stent (DES) Resolute™ Integrity.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
277
Inclusion Criteria

Related to the patients:

Cohort A:

  1. Patients who agree to accept the angiography follow-up visit at 9-month and follow up visits at 1-month, 6-month, 9-month, 1-year, 2-year, 3-year, 4-year and 5-year

  2. Patients with stable angina, unstable angina, old myocardial infarction (including ST elevation MI or Non-ST elevation MI) or proven asymptomatic ischemia

  3. Patients who can receive any kind of coronary revascularization (including balloon angioplasty, stent implantation or coronary artery bypass grafting)

    Cohort B: All candidates for Cohort B of this study must meet number 1, 2 of the above criteria and

  4. Patients who can receive balloon angioplasty

    Related to lesion:

    Cohort A

  5. The reference blood vessel diameter is 2.25 mm-2.75 mm, length ≤ 26mm

  6. Before surgery, stenosis diameter must be ≥ 70% or ≥ 50% and accompanied by ischemia

  7. One subject is allowed to have 1 target lesion at most (Two lesions can be treat as one target lesion, if they are in the same vessel, with the distance less than 10mm, with total length ≤ 26mm, and can be intervened by one DCB or DES)

    Cohort B: All candidates for Cohort B of this study must meet number 6,7 of the above criteria and

  8. The reference blood vessel diameter is 2.00mm-2.25mm

Exclusion Criteria

Related to patients

  1. Patients who had Myocardial Infarction within 1 week before being included

  2. Patients with severe congestive heart failure or NYHA grade IV heart failure

  3. Left ventricular ejection fraction (LVEF) < 35%

  4. Patients who had heart transplantation

  5. Patients with severe valvular heart disease

  6. The patients had cerebral stroke within 6 months before being included, or have a history of peptic ulcer or gastrointestinal bleeding, or the patients have a bleeding tendency according to the investigator

  7. Patients with leukopenia (white blood cell count < 3×10^9/L) for more than three days; Patients with low neutrophil counts (ANC < 1000/mm^3) for more than three days; Patients with thrombocytopenia (platelet count < 100,000/mm^3)

  8. Patients with renal insufficiency (eGFR < 30mL/min)

  9. Patients who are forbidden to use anticoagulation agents or anti-platelet drugs, and unable to tolerate Aspirin or Clopidogrel

  10. Patients who are allergic to Paclitaxel or Zotarolimus

  11. The patients have a life expectancy of less than 12 months, or it would be difficult to finish follow-ups within 12 months

  12. Pregnant or lactating women, or women who plan to get pregnant within 12 months or refuse to take effective contraceptives

  13. The patients are participating in any other clinical trials before reaching the primary endpoints

  14. Patients who are unsuitable for the study according to the investigator due to other reasons

    Related to the Lesion:

  15. Patients with total occlusion at the target lesion

  16. Patients who have severe calcification of the target lesion, and balloon pre-dilatation could not be performed successfully

  17. The target lesions are bifurcation lesion with the diameter of the branch vessel > 2.00mm

  18. The target lesions are in-stent restenosis

  19. Angiography indicates thrombosis in the target vessel

  20. Complicated with lesions in left main (LM) coronary requiring intervention treatment

  21. More than 2 non-target lesions need treatment, or the non-target lesion could not be intervened successfully before the target lesion

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
In-segment percent diameter stenosis of the target lesion at 9 months after procedure9 months after the procedure
Secondary Outcome Measures
NameTimeMethod
Binary restenosis rate in lesion section9 months after the procedure
Target vessel revascularization (TVR) rate1 month, 6 months, 9 months, 1 year, 2 years, 3 years, 4 years and 5 years after the procedure
Target lesion failure (TLF) rate1 month, 6 months, 9 months, 1 year, 2 years, 3 years, 4 years and 5 years after the procedure
In-segment MLD9 months after the procedure
Lesion success rate of the interventional therapyFrom the start of index procedure to the end of index procedure, Day 0

Attainment of final residual stenosis of less than 50% and TIMI 3 blood flow (DCB arm) or less than 30% and TIMI 3 blood flow (DES arm) by visual estimation.

In-device late lumen loss (LLL)9 months after the procedure
Rate of all adverse events and severe adverse events1 month, 6 months, 9 months, 1 year, 2 years, 3 years, 4 years and 5 years after the procedure
Rate of major adverse cardiovascular events1 month, 6 months, 9 months, 1 year, 2 years, 3 years, 4 years and 5 years after the procedure

Including death, myocardial infarction (MI), stroke and renal failure

In-device percent diameter stenosis of the target lesion9 months after the procedure

Restenosis is defined as stenosis \> 50% by angiography

Device success rate of the interventional therapyFrom the start of index procedure to the end of index procedure, Day 0

Successful delivery and use of the assigned balloon/stent at the intended target lesion and successful withdrawal of the delivery system with attainment of final residual stenosis of less than 50% and TIMI 3 blood flow (DCB arm) or less than 30% and TIMI 3 blood flow (DES arm) by visual estimation

Clinical success rate of the interventional therapy7 days after the procedure

Without the occurrence of cardiac death, target vessel Myocardial Infarction (MI) or repeat target lesion revascularization (TLR).

In-device minimal lumen diameter (MLD)9 months after the procedure
In-segment LLL9 months after the procedure
Target lesion revascularization (TLR) rate1 month, 6 months, 9 months, 1 year, 2 years, 3 years, 4 years and 5 years after the procedure

Trial Locations

Locations (15)

The Second Affiliated Hospital of Dalian Medical University

🇨🇳

Dalian, China

Peking University People's Hospital, Capital Medical University

🇨🇳

Beijing, China

Xiangya Hospital of Central South University

🇨🇳

Changsha, China

Beijing Anzhen Hospital, Capital Medical University

🇨🇳

Beijing, China

Fuwai Hospital, Chinese Academy of Medical Sciences

🇨🇳

Beijing, China

Beijing Friendship Hospital, Capital Medical University

🇨🇳

Beijing, China

Beijing Hospital

🇨🇳

Beijing, China

West China Hospital, Sichuan University

🇨🇳

Chengdu, China

Peking Union Medical College Hospital

🇨🇳

Beijing, China

General Hospital of Daqing Oil Field

🇨🇳

Daqing, China

The First Affiliated Hospital of Dalian Medical University

🇨🇳

Dalian, China

Union Hospital, Tongji Medical College Huazhong University of Science and Technology

🇨🇳

Wuhan, China

Sir Run Run Shaw Hospital, Zhejiang University School of medicine

🇨🇳

Hangzhou, China

The First Affiliated Hospital of Zhengzhou University

🇨🇳

Zhengzhou, China

General Hospital of Ningxia Medical University

🇨🇳

Yinchuan, China

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