Wall Shear Stress and Neointimal Healing Following PCI in Angulated Coronary Vessels
SHEAR-STENT
Evaluation of WSS and Neointimal Healing Following Percutaneous Coronary Intervention of Angulated Vessels With Resolute® Integrity Zotarolimus Eluting Coronary Stent Compared to XIENCE Xpedition® Everolimus Eluting Coronary Stent
1 other identifier
interventional
86
7 countries
10
Brief Summary
Stents are metallic tubular supports placed inside a blood vessel to relieve an obstruction and restore blood flow to the heart muscle. Stents could also be coated with a drug (drug-eluting stents - DES) that improves local healing and inhibits growth of scar tissue within the vessel that otherwise could lead to re-narrowing. This study will evaluate the effects of 2 FDA-approved metallic stents with different designs that may have important effects on regional plaque response and blood flow dynamics immediately after stent deployment and stent healing at 12 months follow up.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable coronary-artery-disease
Started May 2014
Longer than P75 for not_applicable coronary-artery-disease
10 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
January 10, 2014
CompletedFirst Posted
Study publicly available on registry
March 28, 2014
CompletedStudy Start
First participant enrolled
May 1, 2014
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2020
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2020
CompletedResults Posted
Study results publicly available
September 9, 2022
CompletedSeptember 9, 2022
August 1, 2022
6.6 years
January 10, 2014
June 30, 2022
August 16, 2022
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
In Stent Mean Cross-sectional Area of Neo-intimal Tissue Coverage
Cross-sectional area in neointimal hyperplasia by Optical Coherence Tomography (OCT) at 1 year following stent placement
1 year
Secondary Outcomes (7)
In Stent: Mean Thickness of Strut Coverage at Follow up
1 year
In-Stent: Degree of Vascular Straightening Post-percutaneous Coronary Intervention (PCI) (In-Stent Mechanistic Endpoint)
Immediately after stent implantation
In Stent: Plaque Prolapse Post-PCI (In-Stent Mechanistic Endpoint)
Immediately after stent implantation
In-Stent: Percent Area of Low Wall Shear Stress (WSS)-(In-Stent Mechanistic Endpoint)
Immediately after stent implantation
Stent Edge -Change in Plaque Area (Efficacy Endpoint) at 5 mm Proximal and Distal to Stent.
1 year
- +2 more secondary outcomes
Study Arms (2)
Resolute Integrity DES
ACTIVE COMPARATORResolute Integrity zotarolimus eluting stent
Xience Xpedition DES
ACTIVE COMPARATORXience Xpedition everolimus eluting stent
Interventions
Optical coherence tomography (OCT) will be performed at baseline to assess plaque burden prior to and after stent deployment as well as to evaluate stent expansion and stent apposition. OCT will be repeated at one year follow-up to evaluate neo-intimal tissue coverage within the stent and change in plaque area at the stent edges. Offline, manual detection of lumen area and stent area will be performed for each OCT cross-section from baseline and follow up examinations.
Intravascular ultrasound (IVUS) will be performed at baseline to assess plaque burden prior to and after stent deployment as well as to evaluate stent expansion and stent apposition. IVUS will be repeated at one year follow-up to evaluate neo-intimal tissue coverage within the stent and change in plaque area at the stent edges. Offline, manual detection of lumen area, stent area, vessel area (external elastic membrane) and the media-adventitia interface will be performed for each IVUS cross-section from baseline and follow up examinations.
Eligibility Criteria
You may qualify if:
- Patient must be 30 to 80 years old
- Severe coronary lesion in a vessel with ≥ 30-degree angulation requiring percutaneous coronary intervention (PCI)
- Lesion treatable by a single Resolute Integrity or Onyx Abbott Xience Xpedition or Sierra coronary drug-eluting stent.
- Patients with stable ischemic heart disease or acute coronary syndrome undergoing clinically PCI.
You may not qualify if:
- Inability to provide informed consent prior to randomization
- Anatomy requiring coronary artery bypass surgery (CABG)
- History of prior CABG in the territory of the vessel being considered for PCI
- Heavily calcified lesion requiring rotablation or other debulking or scoring device for successful stent deployment
- Large thrombus burden on recent angiography
- Previously stented vessels
- Ostial lesions: lesion located within 5mm of the origin of the left anterior descending artery (LAD), left circumflex artery (LCx), or Right coronary artery (RCA)
- Lesions at bifurcations and those that occlude side branches \>2.5mm
- Recent (\<72 hours) ST-elevation myocardial infarction (STEMI).
- Planned surgical procedures in the subsequent 12 months
- History of hypersensitivity or contraindication to device materials and their degradants, everolimus, zotarolimus, cobalt, chromium, nickel, platinum, tungsten, acrylic, and fluoropolymers
- History of any solid organ transplantation or subject is on a waiting list for any solid organ transplant
- Left ventricular ejection fraction \< 30%
- Known allergies to clinically utilized anti-thrombotic or anti-platelet agents
- Unable to tolerate long term dual antiplatelet therapy
- +1 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Emory Universitylead
- Medtroniccollaborator
Study Sites (10)
Emory University
Atlanta, Georgia, 30605, United States
Nanjing Medical University, Nanjing Heart Center
Nanjing, 310006, China
Kobe University Graduate School of Medicine
Hyōgo, 650-0017, Japan
Wakayama Medical University Department of Cardiovascular Medicine
Wakayama, 641-8509, Japan
Latvian Society of Cardiology Pauls Stradins Clinical University Hospital
Riga, 1002, Latvia
University Clinical Center of Serbia
Belgrade, 11000, Serbia
Seoul National University College of Medicine
Seoul, 03080, South Korea
Samsung Medical Center, Sungkyunkwan University School of Medicine Division of Cardiology
Seoul, 06351, South Korea
Ulsan University Hospital University of Ulsan College of Medicine
Ulsan, 44033, South Korea
Hospital Clinico San Carlos, Universidad Complutense de Madrid
Madrid, 28040, Spain
Related Publications (1)
Molony DS, Hung O, Corban M, Gogas B, Lefieux A, Shah I, Komilian K, Adams A, Sykalo C, Dodoo S, Kumar A, Kumar S, Azarnoosh J, Piccinelli M, McDaniel MC, King SB, Maynard C, Chatzizisis YS, Chen SL, Shin ES, Stankovic G, Milasinovic D, Erglis A, Otake H, Akasaka T, Escaned J, Kwon-Koo B, Wook-Nam C, Won KB, Murasato Y, Lee WY, Lee SH, Hahn JY, Lee JM, Giddens DP, Veneziani A, Samady H. A randomized prospective study investigating the relationship between post-PCI wall shear stress and 12-month neointimal healing: The SHEAR-STENT study. Cardiovasc Revasc Med. 2025 Nov 15:S1553-8389(25)00569-X. doi: 10.1016/j.carrev.2025.11.001. Online ahead of print.
PMID: 41285658DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- Habib Samady
- Organization
- Northeast Georgia Health System
Study Officials
- PRINCIPAL INVESTIGATOR
Habib Samady, MD
Georgia Heart Institute, Northeast Georgia Medical Center
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor
Study Record Dates
First Submitted
January 10, 2014
First Posted
March 28, 2014
Study Start
May 1, 2014
Primary Completion
December 1, 2020
Study Completion
December 1, 2020
Last Updated
September 9, 2022
Results First Posted
September 9, 2022
Record last verified: 2022-08
Data Sharing
- IPD Sharing
- Will not share