Hybrid Sirolimus-eluting Versus Everolimus-eluting Stents for Total Coronary Occlusions

NCT ID: NCT01516723

Last Updated: 2017-03-28

Basic Information

• Recruitment Status: UNKNOWN
• Clinical Phase: PHASE3
• Total Enrollment: 330 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2012-02-29
• Study Completion Date: 2020-05-31

Brief Summary

Percutaneous recanalization of total coronary occlusions (TCO) was historically hampered by high rates of restenosis and reocclusion. In the PRISON II and III trial we showed landmark reduction in restenosis with sirolimus-eluting stents (Cypher, Cordis Corporation) compared to conventional bare metal stents in TCO. In the PRISON III trial, we observed similar favourable results with second-generation zotarolimus-eluting stent (Resolute, Medtronic Inc.). Another drugs-eluting stent mounted with everolimus (Xience Prime, Abbott) also demonstrated favourable results in TCO. Recently, drug-eluting stents (DES) with bioresorbable polymer coatings were developed, to address safety concerns regarding the observation of very late stent thrombosis, due to hypersensitivity reactions, and chronic inflammation, on the durable polymer coating of DES. However, none of these DES with bioresorbable polymers were evaluated in patients with TCO. The PRISON IV trial is a prospective, randomized, single-blinded, multi-center trial, designed to evaluate the safety, efficacy, and angiographic outcome of hybrid sirolimus-eluting stents with bioresorbable polymers (ORSIRO, Biotronik Inc.) compared to everolimus-eluting stents with durable polymers (Xience Prime, Abbott) in patients with successfully recanalized TCOs.

Detailed Description

A total of 330 patients are randomized to either hybrid sirolimus-eluting stent or everolimus-eluting stent after successful recanalization of TCO. Clinical follow-up at 1, 6, 12 months, 2, 3, 4, 5 year with angiographic follow-up at 9 months. In 60 patients a optical coherence tomography is performed during the 9 months follow-up angiography. Quantitative coronary and optical coherence tomography analysis is performed by two independent core laboratory. The primary end point is in-segment late luminal loss at 9 month angiographic follow-up. Secondary angiographic end points include the following; in-stent luminal loss, acute recoil, acute gain, net luminal gain, late loss index, minimal lumen diameter, percentage of diameter stenosis, in-stent and in-segment binary restenosis and reocclusions at 9 months angiographic follow-up. Secondary clinical endpoints include a composite of major adverse cardiac events (death, MI and clinically driven target lesion revascularization); clinically driven target vessel revascularisation (TVR), target vessel failure (cardiac death, MI, clinically driven TVR) and stent thrombosis up to 5 year clinical follow-up. Tertiary optical coherence tomography end points at 9 months follow-up are the following: Percentage of uncovered stent struts, percentage of malapposed stent struts, tissue strut thickness, absolute and percentage of intimal hyperplasia.

Conditions

Coronary Artery Disease; Coronary Disease; Coronary Stenosis

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: TREATMENT
• Blinding Strategy: SINGLE

Study Groups

Hybrid sirolimus-eluting stents

ORSIRO, Biotronik Inc.

Group Type: EXPERIMENTAL

Hybrid sirolimus- and everolimus-eluting stents (ORSIRO, XIENCE PRIME)

Intervention Type: DEVICE

Recanalization of totally occluded coronary arteries

Everolimus-eluting stents

XIENCE PRIME, Abbott

Group Type: ACTIVE_COMPARATOR

Hybrid sirolimus- and everolimus-eluting stents (ORSIRO, XIENCE PRIME)

Intervention Type: DEVICE

Recanalization of totally occluded coronary arteries

Interventions

Hybrid sirolimus- and everolimus-eluting stents (ORSIRO, XIENCE PRIME)

Recanalization of totally occluded coronary arteries

Intervention Type: DEVICE

Other Intervention Names

Hybrid sirolimus-eluting stents (ORSIRO, Biotronik); Everolimus-eluting stents (XIENCE PRIME, Abbott)

Eligibility Criteria

Inclusion Criteria

• the estimated duration of the occlusion is at least 4 weeks.
• signs of ischemia related to the occluded coronary artery.
• successful recanalization of the occluded artery is achieved.
• reference diameter is > 2.5 mm.
• written informed consent obtained.

Exclusion Criteria

• primary or rescue PCI for acute myocardial infarction
• the lesion could not be crossed.
• lesions with complex anatomy making successful stent deployment unlikely.
• the guide wire is not in the true lumen distal to the occlusion.
• Sirolimus or zotarolimus allergy
• venous or arterial bypass grafts
• pregnant or nursing women.
• participation in an other trial.
• factors making long-term follow-up difficult or unlikely.
• life expectancy < 1 year.
• contraindications for ASA or Clopidogrel or heparin.
• use of coumadins that could not be stopped before the procedure.

• Minimum Eligible Age: 18 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

Biotronik SE & Co. KG

INDUSTRY

Sponsor Role: collaborator

R&D Cardiologie

OTHER

Sponsor Role: lead

Responsible Party

Dr. M.J. Suttorp

MD, PhD

Responsibility Role: PRINCIPAL_INVESTIGATOR

Principal Investigators

Maarten J. Suttorp, MD, PhD

Role: PRINCIPAL_INVESTIGATOR

St. Antonius Hospital

Locations

AZ Middelheim

Antwerp, Antwerpen, Belgium

AMC

Amsterdam, Amsterdam, Netherlands

Catharina Ziekenhuis

Eindhoven, Eindhoven, Netherlands

St Antonius Hospital

Nieuwegein, , Netherlands

Countries

Belgium; Netherlands

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Other Identifiers

RDC-2011-02

Identifier Type: -

Identifier Source: org_study_id