Arterial Ischemic Stroke Clinical Trial
— FOCASOfficial title:
Focal Cerebral Arteriopathy Steroid Trial
Verified date | May 2024 |
Source | University of California, San Francisco |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This comparative effectiveness trial (CET) in children with suspected focal cerebral arteriopathy (FCA) presenting with arterial ischemic stroke (AIS) or transient ischemic attack (TIA) will compare the use of early corticosteroid treatment (Arm A) versus delayed/no corticosteroid treatment (Arm B). Delayed corticosteroid treatment is given only for those demonstrating disease progression and is initiated as soon as the progression is detected (at any time after randomization). All participants will also receive standard of care therapy (aspirin and supportive care). Sites will randomize participants 1:1 to Arm A or B. Participants will be enrolled and randomized as soon as possible after their stroke/TIA up until 96 hours following the initial stroke/TIA event.
Status | Enrolling by invitation |
Enrollment | 80 |
Est. completion date | January 31, 2030 |
Est. primary completion date | July 31, 2029 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 1 Year to 18 Years |
Eligibility | Inclusion Criteria: 1. Age 1 year through 18 years at stroke/TIA ictus (ineligible as of 19th birthday). 2. Acute arterial ischemic stroke (AIS) or transient ischemic attack (TIA) in prior 4 days (96 hours). 1. AIS definition: neurological deficit with acute onset (including seizures) and acute infarct(s) corresponding to arterial territory(ies) on brain imaging. 2. TIA definition: neurological deficit with acute onset (not including seizures) consistent with ischemia of an arterial territory(ies) but without acute infarction on brain imaging. 3. Imaging inclusion criteria: a. Baseline imaging findings consistent with FCA: i. unilateral focal irregularity, banding, stenosis, wall thickening/enhancement, or occlusion of the distal internal carotid artery (ICA) and/or its proximal branches (A1, M1, posterior communicating artery, proximal PCA), OR ii. unilateral infarction in the territory of the lenticulostriate arteries with normal MRA. b. Ability to return at 1-month (±7 days) post-stroke for an MRI/MRA (non-contrast) on a scanner of the same magnet strength as baseline MRI/MRA.* 4. Consent to study procedures. - A repeat baseline MRI/MRA can be performed as a research scan within 24 hours of enrollment if needed to meet this requirement. Exclusion Criteria: 1. Prior stroke. 2. Another identified cause of stroke/TIA, other than FCA. (Intracranial dissection is considered a subtype of FCA and will be included if the patient is not predisposed to dissection for the reasons listed below.) 3. Presence of childhood stroke risk factors (known to be present at the time of enrollment): 1. Risk factors for arterial dissection: connective tissue disorder (e.g., Ehlers-Danlos type IV, Marfan syndrome, osteogenesis imperfect); severe head or neck trauma in the two weeks preceding AIS/TIA (defined as skull or cervical fracture, or an ICU admission for trauma). 2. Risk factors for moyamoya: genetic disorder or syndrome that predisposes to moyamoya (e.g., trisomy 21, neurofibromatosis type 1, tuberous sclerosis, sickle cell anemia, MOPD type II, PHACE syndrome); prior cranial radiation therapy. 3. Risk factors for secondary vasculitis or vasospasm: acute meningitis, systemic lupus erythematosus or other autoimmune disorder that can cause vasculitis, recent cocaine/amphetamine use (prior 7 days), recent subarachnoid hemorrhage (prior 14 days). 4. Risk factors for cardioembolism: complex congenital heart disease; recent cardiac surgery or catheterization (prior week); endocarditis or other cardiac valve disease with vegetations; right-to-left cardiac shunting lesion with deep vein thrombosis (DVT) or a known thrombophilia. 4. Imaging exclusion criteria: 1. Baseline parenchymal imaging demonstrating remote or bilateral infarcts 2. Vascular imaging demonstrating bilateral arteriopathy or moyamoya collaterals 5. Contraindication to corticosteroid therapy (e.g., baseline immunosuppression, significant infection, etc.) as determined by the treating physicians. 6. Current or recent (within prior week) treatment with corticosteroids. 7. Pregnant, post-partum (within 6 months of childbirth), or nursing. |
Country | Name | City | State |
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United States | University of California San Francisco | San Francisco | California |
Lead Sponsor | Collaborator |
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University of California, San Francisco | American Heart Association, M.D. Anderson Cancer Center, Medical University of South Carolina, National Institute of Neurological Disorders and Stroke (NINDS), University of Cincinnati, University of Colorado, Denver, University of Iowa |
United States,
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Chabrier S, Rodesch G, Lasjaunias P, Tardieu M, Landrieu P, Sebire G. Transient cerebral arteriopathy: a disorder recognized by serial angiograms in children with stroke. J Child Neurol. 1998 Jan;13(1):27-32. doi: 10.1177/088307389801300105. — View Citation
Elkind MS, Hills NK, Glaser CA, Lo WD, Amlie-Lefond C, Dlamini N, Kneen R, Hod EA, Wintermark M, deVeber GA, Fullerton HJ; VIPS Investigators*. Herpesvirus Infections and Childhood Arterial Ischemic Stroke: Results of the VIPS Study. Circulation. 2016 Feb 23;133(8):732-41. doi: 10.1161/CIRCULATIONAHA.115.018595. Epub 2016 Jan 26. — View Citation
Fullerton HJ, Hills NK, Elkind MS, Dowling MM, Wintermark M, Glaser CA, Tan M, Rivkin MJ, Titomanlio L, Barkovich AJ, deVeber GA; VIPS Investigators. Infection, vaccination, and childhood arterial ischemic stroke: Results of the VIPS study. Neurology. 2015 Oct 27;85(17):1459-66. doi: 10.1212/WNL.0000000000002065. Epub 2015 Sep 30. — View Citation
Fullerton HJ, Stence N, Hills NK, Jiang B, Amlie-Lefond C, Bernard TJ, Friedman NR, Ichord R, Mackay MT, Rafay MF, Chabrier S, Steinlin M, Elkind MSV, deVeber GA, Wintermark M; VIPS Investigators. Focal Cerebral Arteriopathy of Childhood: Novel Severity Score and Natural History. Stroke. 2018 Nov;49(11):2590-2596. doi: 10.1161/STROKEAHA.118.021556. — View Citation
Lanthier S, Armstrong D, Domi T, deVeber G. Post-varicella arteriopathy of childhood: natural history of vascular stenosis. Neurology. 2005 Feb 22;64(4):660-3. doi: 10.1212/01.WNL.0000151851.66154.27. — View Citation
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Schechter T, Kirton A, Laughlin S, Pontigon AM, Finkelstein Y, MacGregor D, Chan A, deVeber G, Brandao LR. Safety of anticoagulants in children with arterial ischemic stroke. Blood. 2012 Jan 26;119(4):949-56. doi: 10.1182/blood-2011-06-361535. Epub 2011 Dec 7. — View Citation
Slavova N, Fullerton HJ, Hills NK, Breiding PS, Mackay MT, Steinlin M. Validation of the focal cerebral arteriopathy severity score (FCASS) in a Swiss cohort: Correlation with infarct volume and outcome. Eur J Paediatr Neurol. 2020 Sep;28:58-63. doi: 10.1016/j.ejpn.2020.07.015. Epub 2020 Aug 4. — View Citation
Steinlin M, Bigi S, Stojanovski B, Gajera J, Regenyi M, El-Koussy M, Mackay MT; Swiss NeuroPediatric Stroke Registry. Focal Cerebral Arteriopathy: Do Steroids Improve Outcome? Stroke. 2017 Sep;48(9):2375-2382. doi: 10.1161/STROKEAHA.117.016818. Epub 2017 Jul 21. — View Citation
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* Note: There are 12 references in all — Click here to view all references
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change in Focal Cerebral Arteriopathy Severity Score (FCASS) | Change in FCASS from baseline to 1 month (1-month delta FCASS) measured centrally on MRA studies (performed on scanners with the same magnet strength).
The FCASS is a novel ordinal scale designed and validated for the FOCAS and PASTA trials (Fullerton HJ, Stroke, 2018; Slalova, Eur J Paediatr Neurol, 2020) . The FCASS sums the severity of involvement of each of 5 different arterial segments that can be involved in FCA: (1) supraclinoid ICA (very common), (2) M1 segment of the MCA (very common), (3) M2 branches, (4) A1 segment of the ACA, (5) A2 branches of the ACA. The involvement of the ICA, M1, and A1 are scored on a scale of 0 to 4: 0=no involvement, 1=irregularity or banding without stenosis, 2=less than 50% stenosis, 3= 50% stenosis or greater), 4=complete occlusion. The M2 and A2 are scored: 0=no involvement, 1=irregularity, 3=stenosis, 4=complete occlusion (no option for 2). |
Baseline to one month | |
Secondary | Focal Cerebral Arteriopathy Severity Score (FCASS) at 1 month (required) | In addition to analyzing the change in FCASS from baseline to 1 month, we will analyze the absolute FCASS at 1 month. VIPS data suggest that the 1-month measurement should best approximate the maximum FCASS.
FCASS sums the severity of involvement of each of 5 different arterial segments that can be involved in Focal Cerebral Arteriopathy: (1) supraclinoid ICA, (2) M1 segment of the MCA, (3) M2 branches, (4) A1 segment of the ACA, (5) A2 branches. Each segment is scored: 0 (normal), 1 (irregularity without stenosis), 2 (<50% stenosis), 3 (>50% stenosis), or 4 (complete occlusion). The total score can range from 0 to 20. Arteriopathy progression has an increase in the FCASS, while arteriopathy improvement has a decrease in the FCASS. |
Baseline to 1 month | |
Secondary | Focal Cerebral Arteriopathy Severity Score (FCASS) at 1 month at 12 months (when imaging is available) | We will also analyze the FCASS at 12 months, which should approximate the final FCASS value (after recovery).
FCASS sums the severity of involvement of each of 5 different arterial segments that can be involved in Focal Cerebral Arteriopathy: (1) supraclinoid ICA, (2) M1 segment of the MCA, (3) M2 branches, (4) A1 segment of the ACA, (5) A2 branches. Each segment is scored: 0 (normal), 1 (irregularity without stenosis), 2 (<50% stenosis), 3 (>50% stenosis), or 4 (complete occlusion). The total score can range from 0 to 20. Arteriopathy progression has an increase in the FCASS, while arteriopathy improvement has a decrease in the FCASS. |
Baseline to 12 months | |
Secondary | Relative infarct volume at 1 month (required) | Study neuroradiologists, blinded to the treatment arm and imaging date, will estimate relative infarct volume at 1 month. They will first estimate the absolute infarct volume using ABC/2.39 They will delineate the infarct contour and the brain contour on FLAIR images and, taking into account FLAIR slice thickness, calculate the absolute infarct volume and total brain volume. To account for smaller head sizes in young children, they will then calculate the relative infarct volume as a percent of total brain volume. | 1 month after baseline | |
Secondary | Relative infarct volume at 12 months (when imaging is available) | Study neuroradiologists, blinded to the treatment arm and imaging date, will estimate relative infarct volume at 1 month. They will first estimate the absolute infarct volume using ABC/2.39 They will delineate the infarct contour and the brain contour on FLAIR images and, taking into account FLAIR slice thickness, calculate the absolute infarct volume and total brain volume. To account for smaller head sizes in young children, they will then calculate the relative infarct volume as a percent of total brain volume. They will use similar methodology to also estimate the final infarct volume at 12 months. | 12 months after baseline | |
Secondary | Pediatric Stroke Outcome Measure (PSOM) at 6 months | The PSOM can be measured via the Pediatric Stroke Recurrence and Recovery Questionnaire (RRQ) if only telephone follow-up is feasible. The PSOM scale ranges from 0 to 10, but 6- and 12-month measurements typically cluster between 0 and 3, with any value =1 considered a "poor outcome." The median 1-year PSOM in our FCA cohort (N=39 with 1-year outcomes) was 1 (IQR 0, 1.5; range 0, 4.5). 2 In VIPS, higher maximum FCASS correlated with higher PSOM scores, indicating poorer outcomes (p=0.037). | 6 months after baseline | |
Secondary | Pediatric Stroke Outcome Measure (PSOM) at 12 months (when feasible) | The PSOM can be measured via the Pediatric Stroke Recurrence and Recovery Questionnaire (RRQ) if only telephone follow-up is feasible. The PSOM scale ranges from 0 to 10, but 6- and 12-month measurements typically cluster between 0 and 3, with any value =1 considered a "poor outcome." The median 1-year PSOM in our FCA cohort (N=39 with 1-year outcomes) was 1 (IQR 0, 1.5; range 0, 4.5). 2 In VIPS, higher maximum FCASS correlated with higher PSOM scores, indicating poorer outcomes (p=0.037). | 12 months after baseline |
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