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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT04993079
Registration number
NCT04993079
Ethics application status
Date submitted
1/09/2020
Date registered
6/08/2021
Titles & IDs
Public title
Clotild® Smart Guidewire System (CSGS) Evaluation in EndovascUlar Thrombectomy Procedure
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Scientific title
Clotild® Smart Guidewire System Evaluation in Endovascular Thrombectomy Procedure
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Secondary ID [1]
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SEN_CLOTILD_FIH_1
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Universal Trial Number (UTN)
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Trial acronym
CLOTOUT
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Stroke
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Condition category
Condition code
Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Devices - Clotild®
Experimental: Clotild® - Subjects presenting an acute ischemic stroke due to M1 or middle cerebral artery (MCA) bifurcation occlusion, eligible for Endovascular Thrombectomy (EVT) based on neuro-interventionist and/or neurologist investigators' opinion will be eligible. Twenty (20) patients will be initially enrolled. Up to 42 patients will be enrolled following an analysis of the data of the first 20 enrolled patients by a data safety monitoring board (DSMB) and its' recommendation to proceed with the study. Clots will be retrieved and analysed in a group of participants for which Clotild® is used as neurovascular guidewire.
Treatment: Devices: Clotild®
Use of Clotild® as neurovascular guidewire
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Intervention code [1]
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Treatment: Devices
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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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The proportion of patients having intracranial vessel perforation and / or dissection due to Clotild® usage at the site of usage in intracranial vessels
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Assessment method [1]
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Tthe proportion of patients having intracranial vessel perforation and / or dissection due to Clotild® usage at the site of usage in intracranial vessels will be assessed by Interventional Neuroradiologist during the procedure and final adjudication of the DSA (Digital Subtraction Angiography) by the Data Safety Monitoring Board.
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Timepoint [1]
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Measured during the procedure
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Primary outcome [2]
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The ability to perform binary classification of individual electrophysiological parameter measurements
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Assessment method [2]
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The ability to perform binary classification of individual electrophysiological parameter measurements will be assessed by distinguishing local regions with substantial red blood cell content (RBC-rich) from regions with negligible red blood cell content (RBC-poor) in the occlusion.
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Timepoint [2]
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Measured during the procedure
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Eligibility
Key inclusion criteria
1. Clinical signs and symptoms consistent with the diagnosis of an acute ischemic stroke eligible for EVT
2. M1 and/or MCA bifurcation arterial occlusion on Computed tomography angiography (CTA) or MRA (Magnetic resonance angiography) of an intracranial vessel amenable to EVT
3. Informed Consent by subject, subject's Legally Authorized Representative (LAR) or anyone approved by the Ethics Committee (EC) and/or regulatory agencies to provide consent on behalf of the subject.
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Minimum age
18
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
1. Patient having an intracranial occlusion other than M1 and/or MCA bifurcation, especially tandem occlusion and ICA (internal carotid artery) occlusion.
2. Current participation in another investigational device or drug study that has not completed the primary endpoint or that clinically interferes with the current study endpoints
3. Candidates not eligible for EVT based on neurointerventionist and/or neurologist investigators' opinion
4. Pregnancy or lactating subjects
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Study design
Purpose of the study
Other
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Allocation to intervention
NA
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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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
26/08/2021
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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
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Actual
13/04/2024
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Sample size
Target
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Accrual to date
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Final
41
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Recruitment in Australia
Recruitment state(s)
NSW,QLD
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Recruitment hospital [1]
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Liverpool Hospital - Liverpool
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Recruitment hospital [2]
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Gold Coast University Hospital - Southport
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Recruitment postcode(s) [1]
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NSW 2170 - Liverpool
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Recruitment postcode(s) [2]
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QL 5215 - Southport
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Recruitment outside Australia
Country [1]
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France
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State/province [1]
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Limoges
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Sensome
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
The purpose of this First-in-Human study is to evaluate the safety of using the Clotild® system to guide the endovascular thrombectomy (EVT) device to the clot location during EVT for the treatment of an acute ischemic stroke eligible to EVT, whatever the EVT device chosen. A secondary purpose is to assess the clinical performance, defined as the feasibility of measuring clot electrophysiological parameters in vivo during EVT procedures.
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Trial website
https://clinicaltrials.gov/study/NCT04993079
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Andrew Cheung, MD
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Address
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Liverpool Hospital, Liverpool NSW, Australia
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT04993079