The Oslo Acute Reperfusion Stroke Study (OSCAR)
OSCAR
1 other identifier
observational
1,500
1 country
1
Brief Summary
Prospective registry of clinical and radiological data in acute ischemic stroke patients after endovascular treatment.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Jan 2017
Longer than P75 for all trials
1 active site
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 10, 2017
CompletedFirst Submitted
Initial submission to the registry
January 14, 2024
CompletedFirst Posted
Study publicly available on registry
January 24, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 31, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
December 31, 2025
CompletedJanuary 24, 2024
January 1, 2024
9 years
January 14, 2024
January 23, 2024
Conditions
Outcome Measures
Primary Outcomes (1)
Modified Rankin Scale Score
Modified Rankin Scale Score (mRS), min 0, max 6
3 months
Secondary Outcomes (6)
National Institute of Health Stroke Scale Score
discharge
Death due to any cause
3 months
Infarct volume
1 day
Incidence of symptomatic intracranial hemorrhage
1 day
Volume of new areas of diffusion restriction
1 day
- +1 more secondary outcomes
Interventions
Eligibility Criteria
acute ischemic stroke patients with proximal cerebral artery occlusion admitted for endovascular treatment.
You may qualify if:
- Age 18 years or older
- Patients with ischemic stroke and cerebral arterial occlusion treated with endovascular revascularization.
- All stroke severities and vascular distributions are eligible.
You may not qualify if:
- Patient not eligible for the study or not available for follow-up assessments (e.g. non- resident).
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Oslo University Hospital
Oslo, Norway
Related Publications (1)
Enriquez BAB, Skattor TH, Laugesen NG, Truelsen T, Lund CG, Nome T, Beyer MK, Skjelland M, Aamodt AH. External validation of clinical risk prediction score for elderly treated with endovascular thrombectomy. J Neurol. 2024 Sep;271(9):5838-5845. doi: 10.1007/s00415-024-12535-6. Epub 2024 Jul 2.
PMID: 38954035DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Target Duration
- 1 Year
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Ass. Prof.
Study Record Dates
First Submitted
January 14, 2024
First Posted
January 24, 2024
Study Start
January 10, 2017
Primary Completion
December 31, 2025
Study Completion
December 31, 2025
Last Updated
January 24, 2024
Record last verified: 2024-01