Trevo Aspiration Proximal Flow Control Registry (TRAP)

October 16, 2019 updated by: Ajit Puri, University of Massachusetts, Worcester

TRevo Aspiration Proximal Flow Control for Endovascular Stroke Intervention Data Registry

This purpose of this retrospective, single-arm, non-randomized, multi-center study is to collect real-world data on the effectiveness of using the TRAP technique in acute ischemic stroke patients undergoing mechanical thrombectomy.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Terminated

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

The TRAP Registry is designed to collect real-world data on the use of the TRAP technique for mechanical thrombectomy in stroke patients. Recanalization success (as assessed using a TICI Score), along with the time to recanalization and number of passes needed for success will be assessed at the conclusion of the procedure. In addition, neurologic recovery (as evaluated using the Modified Rankin Scale and National Institutes of Health Score) will be assessed at 24 hours, discharge, and 90 days after the thrombectomy procedure.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
38

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Massachusetts
      • Worcester, Massachusetts, United States, 01501
        • University of Massachusetts

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years to 85 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Patients presenting with acute ischemic stroke at participating hospitals in which the TRAP technique is used for mechanical thrombectomy.

Description

Inclusion Criteria:

  • Subject experiencing an acute ischemic stroke in which imaging demonstrates a vascular occlusion located in the distal internal carotid artery (ICA) through the distal middle cerebral artery (MCA)
  • Subjects in which the TRAP technique is used for at least the first two thrombectomy passes per occluded vessel
  • Subjects that range in age from 18-85
  • Subjects with a prestroke modified Rankin scale of 0-1 and presenting with an NIHSS of 8-30
  • Subjects that the operator feels may be treated with endovascular therapy
  • Subjects in which computed tomography (CT)/Magnetic Resonance Imaging (MRI) demonstrates an infarct size of less than 70cc on MRI or Alberta Stroke Program Early CT (ASPECTS) score overall of 6 or better
  • Subjects in which groin puncture can be obtained within 6 hours of symptom onset (with or without Total Plasminogen Activator administration)
  • Subjects who have consented in accordance with local Institutional Review Board requirements

Exclusion Criteria:

  • Absence of large vessel occlusion on neuroimaging
  • Evidence of tandem occlusion on neuroimaging
  • Platelet count < 100 x 10³ cells/mm³ or known platelet dysfunction
  • Contraindication to CT and/or MRI (i.e., due to contrast allergy or prior implant that precludes MRI imaging)
  • Previously documented contrast allergy that is not amenable to medical treatment
  • Women who are pregnant or breastfeeding at time of intervention
  • Evidence of brain hemorrhage on CT and/or MRI at presenting hospital

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Cohort
  • Time Perspectives: Prospective

Cohorts and Interventions

Group / Cohort

Group / Cohort

A group or subgroup of participants in an observational study that is assessed for biomedical or health outcomes.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Treated Subjects
Subject experiencing an acute ischemic stroke in which imaging demonstrates a vascular occlusion located in the distal internal carotid artery (ICA) through the distal middle cerebral artery (MCA) and in which the TRAP technique is used for at least the first two thrombectomy passes per occluded vessel and that meet the other inclusion-exclusion criteria.
Device: TRAP
Mechanical thrombectomy performed with the combination of a stent retriever that is partially re-sheathed and withdrawn under constant aspiration along with the use of a balloon guide catheter for distal flow control during thrombectomy.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Recanalization after Endovascular Intervention
Time Frame: Day 0: Conclusion of Thrombectomy Procedure
Revascularization as assessed via Thrombolysis in Cerebral Infarction (TICI) score (TICI 2b/3) in affected vessels
Day 0: Conclusion of Thrombectomy Procedure
Time to Recanalization
Time Frame: Day 0: Conclusion of Thrombectomy Procedure
The time required to attain recanalization (TICI 2b/3) in affected vessels
Day 0: Conclusion of Thrombectomy Procedure
Number of Passes for Recanalization
Time Frame: Day 0: Conclusion of Thrombectomy Procedure
The total number of passes with the stent retriever need to attain recanalization will be captured.
Day 0: Conclusion of Thrombectomy Procedure
Distal Emboli
Time Frame: Day 0: Conclusion of Thrombectomy Procedure
Incidence of distal emboli (both to affected vessel and new vessel) will be assessed
Day 0: Conclusion of Thrombectomy Procedure

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Neurologic Outcomes
Time Frame: 90 days after treatment
Neurologic recovery as assessed by the National Institutes of Health Stroke Scale
90 days after treatment
Functional Outcomes
Time Frame: 90 days after treatment
Neurologic recovery as assessed by the Modified Rankin Scale
90 days after treatment
Adverse Events
Time Frame: Day 1, Day 5-7 and Day 90
Incidence of serious procedure-related adverse events will be captured
Day 1, Day 5-7 and Day 90
TRAP Technique
Time Frame: Day 0: Conclusion of thrombectomy procedure
Success of using all components of the TRAP technique will be assessed by questionnaire for the interventionalist
Day 0: Conclusion of thrombectomy procedure

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
University of Massachusetts, Worcester

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Stryker Neurovascular

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Ajit Puri, MD, UMass Medical School

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
June 6, 2017

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
October 3, 2019

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
October 3, 2019

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
June 12, 2017

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
June 23, 2017

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
June 26, 2017

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
October 21, 2019

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
October 16, 2019

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
October 1, 2019

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • TRAPv1.9

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

Undecided

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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