NCT02750644

Brief Summary

Until the irruption of the Carotid Revascularization Endarterectomy versus Stenting Trial (CREST), carotid stenting (CAS) has been mainly offered to those patients considered at "high risk" for open carotid endarterectomy (CEA) based on the available data from large randomized clinical trials. "High risk" has been defined as (1) patients with severe comorbidity (class III/IV congestive heart failure, class III/IV angina, coronary disease involving ≥ 2 major vessels, left ventricular ejection fraction ≤ 30%, myocardial infarction, severe pulmonary disease, severe renal failure) and (2) Technical/challenging anatomical criteria (previous neck surgery, cervical irradiation, contralateral carotid occlusion, post-endarterectomy restenosis, inaccessible lesions or tracheotomy). Several recent studies have called medical "high-risk" into question for CAS indication. The purpose of this study is to evaluate the safety and perioperative and long-term effectiveness in patients with significant carotid artery stenosis with "high-risk" criteria (for CEA) treated with carotid stenting and proximal protection device (MOMA®) compared to patients with standard-surgical-risk features.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
125

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Jan 2005

Longer than P75 for all trials

Status
completed

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

Study Start

First participant enrolled

January 1, 2005

Completed
11.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2016

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2016

Completed
17 days until next milestone

First Submitted

Initial submission to the registry

April 18, 2016

Completed
7 days until next milestone

First Posted

Study publicly available on registry

April 25, 2016

Completed
Last Updated

April 25, 2016

Status Verified

April 1, 2016

Enrollment Period

11.3 years

First QC Date

April 18, 2016

Last Update Submit

April 21, 2016

Conditions

Outcome Measures

Primary Outcomes (1)

  • all major adverse events

    the composite rate of all major adverse events (MAE), including death, stroke, and Myocardial Infarction, through 30-day follow-up or thereafter up to 4 years

    through 30-day follow-up or thereafter up to 4 years

Study Arms (2)

High-risk

Patients with atherosclerotic carotid disease with (1) severe comorbidity (class III/IV congestive heart failure, class III/IV angina, coronary disease involving ≥ 2 major vessels, left ventricular ejection fraction ≤ 30%, myocardial infarction, severe pulmonary disease, severe renal failure) and (2) Technical/challenging anatomical criteria (previous neck surgery, cervical irradiation, contralateral carotid occlusion, post-endarterectomy restenosis, inaccessible lesions or tracheotomy).

Standard-risk

Patients with atherosclerotic carotid disease without (1) severe comorbidity (class III/IV congestive heart failure, class III/IV angina, coronary disease involving ≥ 2 major vessels, left ventricular ejection fraction ≤ 30%, myocardial infarction, severe pulmonary disease, severe renal failure) and (2) Technical/challenging anatomical criteria (previous neck surgery, cervical irradiation, contralateral carotid occlusion, post-endarterectomy restenosis, inaccessible lesions or tracheotomy).

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Internal carotid stenosis symptomatic patients who have a transient ischemic attack, amaurosis fugax, or minor nondisabling stroke in the distribution of the study artery within 180 days of inclusion and have been shown carotid artery stenosis ≥50% by angiography, ≥70% by ultrasound, or ≥70% by CT angiography or magnetic resonance (MR) angiography if ultrasound is 50% to 69%. Asymptomatic patients who have carotid artery stenosis of ≥60% by angiography, ≥70% by ultrasound, or ≥80% by CT angiography or MR angiography if ultrasound is 50% to 69%.

You may qualify if:

  • Asymptomatic patients who have carotid artery stenosis of ≥60% by angiography, ≥70% by ultrasound, or ≥80% by CT angiography or MR angiography if ultrasound is 50% to 69%

You may not qualify if:

  • Patient is unable to respond to external questions and stimuli and to exert a pressure with the contralateral hand
  • Patient has an myocardial infarction within 72 hours prior to carotid stenting
  • Patient has a major residual neurological deficit (stroke scales: Barthel ≤ 60, NIH ≥ 15 or Rankin \>3) at pre-procedure neurological exam
  • Patient had a transient ischemic attack (TIA) or amaurosis fugax within 48 hours prior to index procedure
  • Patient had a stroke or retinal artery occlusion within 1 month prior to index procedure
  • Patient has severe chronic renal failure (creatinine \> 2.5mg/dL)
  • The target carotid artery is completely occluded
  • The common carotid artery ostium has stenosis that required treatment
  • The presence of ipsilateral intracranial stenosis that requires treatment
  • The inability to position a stiff 0.035" guidewire in the external carotid artery
  • Contralateral occlusion of internal carotid artery and vertebral arteries

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Carotid Artery Diseases

Condition Hierarchy (Ancestors)

Cerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesVascular DiseasesCardiovascular Diseases

Study Officials

  • Joaquin De Haro, MD

    Hospital Universitario Getafe

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Joaquin de Haro, M.D., Vascular Research Unit Principal Investigator

Study Record Dates

First Submitted

April 18, 2016

First Posted

April 25, 2016

Study Start

January 1, 2005

Primary Completion

April 1, 2016

Study Completion

April 1, 2016

Last Updated

April 25, 2016

Record last verified: 2016-04