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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/ct2/show/NCT05465122
Registration number
NCT05465122
Ethics application status
Date submitted
30/06/2022
Date registered
19/07/2022
Date last updated
29/08/2023
Titles & IDs
Public title
Long-Term Observational Extension of Participants in CREST-2Trial
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Scientific title
Long-Term Observational Extension of Participants in CREST-2
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Secondary ID [1]
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1U01NS119169-01A1
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Secondary ID [2]
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21-007363
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Universal Trial Number (UTN)
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Trial acronym
C2LOE
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Stenoses, Carotid
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Condition category
Condition code
Cardiovascular
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Diseases of the vasculature and circulation including the lymphatic system
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Intervention/exposure
Study type
Observational
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Patient registry
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
Treatment: Surgery - Carotid Endarterectomy
Treatment: Surgery - FDA-approved carotid stents
Other interventions - Intensive Medical Management
Carotid Stenting Group (CAS) - Subjects assigned to the intensive medical management with carotid stenting group in the CREST-2 study (NCT02089217)
Carotid Endarterectomy Group (CEA) - Subjects assigned to the intensive medical management with carotid endarterectomy group in the CREST-2 study (NCT02089217)
Intensive Medical Management Group - no CAS - Subjects assigned to the intensive medical management alone with no carotid stenting (CAS) group in the CREST-2 study (NCT02089217)
Intensive Medical Management Group - no CEA - Subjects assigned to the intensive medical management alone with no carotid endarterectomy (CEA) group in the CREST-2 study (NCT02089217)
Treatment: Surgery: Carotid Endarterectomy
This is the standard proven therapy for carotid stenosis that involves an arterotomy followed by removal of plaque and reconstruction of the vessel.
Treatment: Surgery: FDA-approved carotid stents
This is the standard proven therapy for carotid stenosis that involves an arterotomy followed by removal of plaque and reconstruction of the vessel.
Other interventions: Intensive Medical Management
INTERVENT risk factor management program to help manage patient's risk factors. The INTERVENT program will provide individualized risk factor counseling sessions (via telephone or internet) at regular interval by healthcare workers who are specially trained to help patients follow the medical management plan.
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Intervention code [1]
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Treatment: Surgery
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Intervention code [2]
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Other interventions
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Stroke
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Assessment method [1]
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Number of participants to experience a stroke
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Timepoint [1]
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5 years
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Eligibility
Key inclusion criteria
- Currently active or graduated participants in the CREST-2 randomized trial at a site
located in the United States
- Able to provide written informed consent by self
- Fluent in English
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Minimum age
35
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
- Unable to provide written informed consent
- Inability to follow study procedures
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Study design
Purpose
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Duration
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Selection
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Timing
Prospective
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
5/07/2022
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
28/02/2026
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Actual
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Sample size
Target
2480
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
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Recruitment outside Australia
Country [1]
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United States of America
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Arkansas
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United States of America
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California
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United States of America
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Connecticut
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United States of America
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Florida
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United States of America
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Illinois
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Kentucky
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United States of America
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Maine
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United States of America
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Maryland
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Massachusetts
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Michigan
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Minnesota
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North Carolina
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Pennsylvania
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Rhode Island
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United States of America
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Tennessee
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United States of America
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Utah
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United States of America
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Wisconsin
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Funding & Sponsors
Primary sponsor type
Other
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Name
Mayo Clinic
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Address
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Other collaborator category [1]
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Government body
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Name [1]
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National Institute of Neurological Disorders and Stroke (NINDS)
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Address [1]
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Other collaborator category [2]
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Other
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Name [2]
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University of Alabama at Birmingham
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Other collaborator category [3]
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Other
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Name [3]
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University of Maryland
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Other
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Medical University of South Carolina
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Ethics approval
Ethics application status
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Summary
Brief summary
The purpose of this Long-Term Observational Extension of Participants in the CREST-2
Randomized Clinical Trial (C2LOE - ClinicalTrials.gov Identifier: NCT02089217) study is to
study is to assess post-procedural efficacy of carotid endarterectomy and carotid stenting.
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Trial website
https://clinicaltrials.gov/ct2/show/NCT05465122
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Trial related presentations / publications
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Public notes
This record is viewable in the ANZCTR as it had previously listed Australia and/or New Zealand as a recruitment site, however these sites have since been removed
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Contacts
Principal investigator
Name
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James Meschia, MD
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Address
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Mayo Clinic
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Contact person for scientific queries
Summary Results
For IPD and results data, please see
https://clinicaltrials.gov/ct2/show/NCT05465122
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