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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02456402
Other study ID # 1111
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date April 2015
Est. completion date October 2016

Study information

Verified date April 2019
Source Ulsan University Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This randomized trial will assess the efficacy of Drug Coated Balloon (DCB) compared to Bare Metal Stent (BMS) using Fractional Flow Reserve (FFR) guidance for de novo coronary artery lesions in patients unable to tolerate dual antiplatelet therapy and at high risk of bleeding. Patients will be randomized after balloon angioplasty to receive either DCB or BMS. Endpoints are late luminal loss at 9 months, and major adverse cardiac events including arterial thrombosis at 1, 9 and 12 months.


Description:

Although the use of drug-eluting stents (DES) has reduced in-stent restenosis when compared to bare metal stents (BMS) and decreased the incidence of adverse clinical events (1-2), DES therapy is limited by delayed arterial healing, late acquired malapposition and neo-atherosclerosis leading to an increased risk of late stent thrombosis and late restenosis (3-4). Conceptually, a permanent stent inhibits advantageous vascular remodeling and durable polymer provokes excessive inflammation (5). Non-stent based local drug delivery using paclitaxel-coated balloon has emerged as a new clinical treatment alternative by maintaining the anti-proliferative properties of DES (6). There is limited data on the efficacy of Drug Coated Balloon (DCB) treatment for de novo coronary lesions when compared to BMS. To avoid the risk of abrupt closure of target lesion after balloon angioplasty, a reliable predictor of coronary flow is necessary especially in de novo lesions of major coronary arteries. Therefore, using fractional flow reserve (FFR) after angioplasty as a good indicator of immediate functional improvement and reduced restenosis (7), the aim of this study is to assess the efficacy of DCB treatment compared to BMS in patients with de novo coronary artery lesions.

Patients with de novo coronary artery lesions with > 50% stenosis in a single vessel and at high risk of bleeding with the inability to tolerate dual antiplatelet therapy (DAPT) will be included in this trial. Patients will undergo balloon angioplasty and if the FFR post balloon angioplasty is > 0.80, they will be randomized to receive either DCB or BMS. Patients will receive Quantitative Coronary Angiography (QCA) analysis at 9 months follow-up. Endpoints are late luminal loss at 9 months and major adverse events including arterial thrombosis at 1, 9 and 12 months and these endpoints will be compared between DCB and BMS groups.


Recruitment information / eligibility

Status Completed
Enrollment 40
Est. completion date October 2016
Est. primary completion date October 2016
Accepts healthy volunteers No
Gender All
Age group 20 Years to 85 Years
Eligibility Inclusion Criteria:

- Stable Angina and Unstable angina

- single de novo coronary artery lesions in a single vessel with > 50% diameter stenosis with a reference diameter > 2.75mm

- Patients at high risk of bleeding and whom cannot tolerate dual antiplatelet therapy for > 1 month are inclusion criteria for the study and are listed here:

- Unexplained anemia

- Atrial fibrillation with CHADSVASC > or equal to 1

- Patients awaiting for non cardiac surgery within a year

- History of massive hemorrhage requiring transfusion

- History of upper GI bleeding

- Malignancy

- Poor compliance with medication

Exclusion Criteria:

- STEMI/NSTEMI within the preceding 72 hours

- Multivessel disease, chronic total occlusion, long lesions and left main disease

- heart failure with ejection fraction < 35% and/or cardiogenic shock

- Previous history of or planned coronary artery bypass grafting

- life expectancy of less than 1 year

Study Design


Intervention

Device:
Drug Coated Balloon
If post balloon angioplasty FFR is more than 0.80, either DCB treatment or BMS implantation will be carried out based on randomization of 1:1. DCB (SeQuent Please paclitaxel-coated balloon catheter, B. Braun, Melsungen, Germany) will be applied at the predilated lesions. PCB will be delivered rapidly and inflated for 60 seconds with nominal pressure.
Bare Metal Stent
BMS (Vision®) will be applied at the predilated lesions after angiographic confirmation of the target lesion.

Locations

Country Name City State
Korea, Republic of Ulsan University Hospital Ulsan

Sponsors (2)

Lead Sponsor Collaborator
Ulsan University Hospital Seoul National University Hospital

Country where clinical trial is conducted

Korea, Republic of, 

References & Publications (7)

Bech GJ, Pijls NH, De Bruyne B, Peels KH, Michels HR, Bonnier HJ, Koolen JJ. Usefulness of fractional flow reserve to predict clinical outcome after balloon angioplasty. Circulation. 1999 Feb 23;99(7):883-8. — View Citation

Joner M, Finn AV, Farb A, Mont EK, Kolodgie FD, Ladich E, Kutys R, Skorija K, Gold HK, Virmani R. Pathology of drug-eluting stents in humans: delayed healing and late thrombotic risk. J Am Coll Cardiol. 2006 Jul 4;48(1):193-202. Epub 2006 May 5. — View Citation

Morice MC, Serruys PW, Sousa JE, Fajadet J, Ban Hayashi E, Perin M, Colombo A, Schuler G, Barragan P, Guagliumi G, Molnàr F, Falotico R; RAVEL Study Group. Randomized Study with the Sirolimus-Coated Bx Velocity Balloon-Expandable Stent in the Treatment of Patients with de Novo Native Coronary Artery Lesions. A randomized comparison of a sirolimus-eluting stent with a standard stent for coronary revascularization. N Engl J Med. 2002 Jun 6;346(23):1773-80. — View Citation

Moses JW, Leon MB, Popma JJ, Fitzgerald PJ, Holmes DR, O'Shaughnessy C, Caputo RP, Kereiakes DJ, Williams DO, Teirstein PS, Jaeger JL, Kuntz RE; SIRIUS Investigators. Sirolimus-eluting stents versus standard stents in patients with stenosis in a native coronary artery. N Engl J Med. 2003 Oct 2;349(14):1315-23. — View Citation

Nakazawa G, Vorpahl M, Finn AV, Narula J, Virmani R. One step forward and two steps back with drug-eluting-stents: from preventing restenosis to causing late thrombosis and nouveau atherosclerosis. JACC Cardiovasc Imaging. 2009 May;2(5):625-8. doi: 10.1016/j.jcmg.2009.01.011. — View Citation

Scheller B, Speck U, Abramjuk C, Bernhardt U, Böhm M, Nickenig G. Paclitaxel balloon coating, a novel method for prevention and therapy of restenosis. Circulation. 2004 Aug 17;110(7):810-4. Epub 2004 Aug 9. — View Citation

Unverdorben M, Kleber FX, Heuer H, Figulla HR, Vallbracht C, Leschke M, Cremers B, Hardt S, Buerke M, Ackermann H, Boxberger M, Degenhardt R, Scheller B. Treatment of small coronary arteries with a paclitaxel-coated balloon catheter in the PEPCAD I study: are lesions clinically stable from 12 to 36 months? EuroIntervention. 2013 Sep;9(5):620-8. doi: 10.4244/EIJV9I5A99. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Late luminal loss 9 months
Secondary Major adverse cardiovascular events (MACE) (death, myocardial infarction, repeat revascularization, recurrent ischemic symptoms) Post procedure (up to 1 hour), 1 month, 9 months and 12 months
Secondary Arterial thrombosis Any stent thrombosis - acute, subacute/late stent thrombosis Post procedure (up to 1 hour), 1 month, 9 months and 12 months
Secondary Fractional Flow Reserve FFR is the ratio of the pressure measured at the distal portion of the target lesion and the aortic ostium at maximal hyperemia Post procedure (up to 1 hour) and 9 months
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