International Intracranial Dissection Study
I-IDIS
International Intracranial Artery Dissection Study
1 other identifier
observational
500
2 countries
3
Brief Summary
Cervicocerebral artery dissection is a major cause for stroke in young adults. While knowledge of cervical artery dissection (CeAD) has increased thanks to a number of high quality studies, knowledge on intracranial artery dissection (IAD) is limited. Due to treatment and publication bias little is known about the natural history of IAD. Overall, IAD is assumed to have a more severe course than CeAD, with a more ominous outcome in patients with subarachnoid hemorrhage (SAH). Furthermore, little information is available on the risk of recurrent IAD as well as on the risk of recurrent ischemic and haemorrhagic events in non-Asian patients. Radiological diagnosis of IAD can be challenging given the small size of intracranial arteries, and the subtle and non-specific radiological signs which tend to evolve over time. The optimal treatment of IAD is unknown. There are no randomised trials and only observational studies with relatively small sample sizes are available, thus providing a very low level of evidence. Finding the factors that are decisive for outcome and recurrence after intracranial artery dissection is key to an improved management of this potentially severe disease predominantly affecting young patients. By using standardised protocols for diagnosis, imaging and follow-up, the investigators intend to obtain large representative patient samples in order to fill the gap of evidence.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Aug 2016
Longer than P75 for all trials
3 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
April 11, 2016
CompletedFirst Posted
Study publicly available on registry
April 29, 2016
CompletedStudy Start
First participant enrolled
August 1, 2016
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 30, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
November 30, 2027
November 13, 2024
November 1, 2024
10.3 years
April 11, 2016
November 12, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Modified Rankin Scale score (mRS score)
The mRS is a standardised valid measure to semi-quantify functional outcome after stroke.
180 days after diagnosis +/- 30 days
Recurrence of stroke
180 days after diagnosis
Secondary Outcomes (7)
Recurrence of cervico- cerebral dissection
90 days, 180 days, 12 months
Recurrence of stroke
0-10 days, 90 days, 12 months after diagnosis
Change in Modified Rankin Scale score (mRS score) from before diagnosis to follow up
0-10 days, 90 days, 12 months after diagnosis
Change in occupational status from before diagnosis to follow up
0-10 days, 90 days, 180 days, 12 months after diagnosis
Mortality
0-10 days, 90 days, 180 days, 12 months after diagnosis
- +2 more secondary outcomes
Other Outcomes (5)
Personal and familiar risk factors for intracranial artery dissection
0-10 days after diagnosis
Laboratory parameters assessed by blood test
90 days, 180 days, 12 months
Radiological findings assessed by magnetic resonance imaging (MRI), magnetic resonance angiography, computed tomography (CT), computed tomography angiography, digital subtraction angiography or duplex sonography
0-10 days, 90 days, 180 days, 12 months after diagnosis
- +2 more other outcomes
Interventions
Eligibility Criteria
Patients are recruited in a consecutive ongoing recruitment process in daily clinical practice. Patients who are hospitalized in participant sites are screened by authorized study group members according to local daily practice. If the patient matches the selection criteria (inclusion and exclusion criteria)he/she is enrolled in the study.
You may qualify if:
- Patients with acute Intracranial Artery Dissection (symptom onset ≤ 30 days)
- Age ≥ 18 years
- Consent to participate according to local requirements
You may not qualify if:
- Iatrogenic dissection caused by endovascular intervention
- Extracranial dissection with intracranial extension
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (3)
National Cerebral and Cardiovascular Center Osaka
Osaka, Kansai, 565-8565, Japan
Department of Neurology, University Hospital Basel
Basel, Canton of Basel-City, 4056, Switzerland
Department of Neurology, Inselspital Bern
Bern, 3010, Switzerland
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Marcel Arnold, Prof. Dr. med.
Neurology Department, Inselspital University Hospital Bern
- PRINCIPAL INVESTIGATOR
Barbara Goeggel Simonetti, Dr. med.
Neurology Department, Inselspital University Hospital Bern
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- OTHER
- Time Perspective
- PROSPECTIVE
- Target Duration
- 12 Months
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 11, 2016
First Posted
April 29, 2016
Study Start
August 1, 2016
Primary Completion (Estimated)
November 30, 2026
Study Completion (Estimated)
November 30, 2027
Last Updated
November 13, 2024
Record last verified: 2024-11