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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT03543371
Registration number
NCT03543371
Ethics application status
Date submitted
17/05/2018
Date registered
1/06/2018
Date last updated
21/09/2023
Titles & IDs
Public title
Neuropsychological Outcome After Cardiac Arrest
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Scientific title
Neuropsychological Outcome After Cardiac Arrest: A Prospective Case Control Sub-study of the Targeted Hypothermia Versus Targeted Normothermia After out-of Hospital Cardiac Arrest Trial (TTM2)
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Secondary ID [1]
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CardiacArrestLundNeuropsych
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Heart Arrest, Out-Of-Hospital
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Condition category
Condition code
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
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Comparator / control treatment
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Control group
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Outcomes
Eligibility
Key inclusion criteria
* OHCA of a presumed cardiac or unknown cause (OHCA cohort only)
* Sustained return of spontaneous circulation (ROSC) during intensive care - defined as 20 minutes with signs of circulation without the need for chest compressions (OHCA cohort only)
* Unconsciousness - defined as not being able to obey verbal commands (FOUR-score motor response of <4) and no verbal response to pain after sustained ROSC (OHCA cohort only)
* Inclusion within 180 minutes of ROSC (OHCA cohort only)
* During intensive care - eligible for intensive care without restrictions or limitations (OHCA cohort only)
* MI with performed coronary angiography (MI cohort only)
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Minimum age
18
Years
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Maximum age
80
Years
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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
* Temperature on admission <30°C (OHCA cohort only)
* On extracorporeal membrane oxygenation (ECMO) prior to return of spontaneous circulation (OHCA cohort only)
* Obvious or suspected pregnancy
* Intracranial bleeding (OHCA cohort only)
* Severe chronic obstructive pulmonary disorder (COPD) with long-term home oxygen therapy
* Clinical dementia diagnosis before the event
* Inability to speak the local language well enough to complete the assessment without assistance from an interpreter
* Inability to meet for a face-to-face examination
* Clinical Frailty Scale Index =8, indicating very severe frailty
* Cardiac arrest before or in connection with MI (MI cohort only)
* Active substance abuse
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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
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
13/07/2018
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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
23/05/2022
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Sample size
Target
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Accrual to date
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Final
200
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Recruitment in Australia
Recruitment state(s)
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Funding & Sponsors
Primary sponsor type
Other
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Name
Region Skane
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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
This study is a sub-study to the large pragmatic Target Temperature Management 2 Trial (TTM2-trial, ClinicalTrials.gov Identifier: NCT02908308), assessing effectiveness of controlled hypothermia after out-of-hospital cardiac arrest (OHCA). This study is designed to provide detailed information on cognition after OHCA and its relationship to associated factors as emotional function, fatigue, and sleep. A secondary aim is to utilize this information to validate a neurocognitive screening battery used 6 months after OHCA in the TTM2-trial. Approximately 7 and 24 months after OHCA, survivors at selected TTM2 study sites will perform a standardized neuropsychological assessment including performance-based tests of cognition and questionnaires of behavioral and emotional function, fatigue, and insomnia. At 1:1 ratio, a control group of myocardial infarction (MI) patients but no occurrence of cardiac arrest will be recruited and perform the same test battery. Group differences at 7 and 24 months will be analyzed per cognitive domain (verbal, visual/constructive, short-term working memory, episodic memory, processing speed, executive functions). Results of the OHCA survivors on the TTM2 neurocognitive screening battery will be compared with neuropsychological test results at 7 months time.
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Trial website
https://clinicaltrials.gov/study/NCT03543371
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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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Niklas Nielsen, MD, PhD
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Address
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Lund University
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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
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Address
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Contact person for scientific queries
No information has been provided regarding IPD availability
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/NCT03543371
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