- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06238024
Effect of Interleukin-6 Receptor Inhibition in Patients With Ischemic Stroke Undergoing Endovascular Treatment (IRIS)
Effect of Interleukin-6 Receptor Inhibition in Patients With Ischemic Stroke Undergoing Endovascular Treatment: a Double-blind, Randomized, Placebo-controlled Trial
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Estimated)
Phase
- Phase 2
- Phase 3
Contacts and Locations
Study Contact
- Name: Zhengfei Ma, M.M.
- Phone Number: +8613866586362
- Email: Zhengfeima@126.com
Study Contact Backup
- Name: Anzhi Li, M.M.
- Phone Number: +8615903860581
- Email: 365819805@qq.com
Study Locations
-
-
Anhui
-
Suzhou, Anhui, China
- Recruiting
- Suzhou Municipal Hospital of Anhui Province
-
Contact:
- Zhengfei Ma, M.M.
- Phone Number: 13866586362
- Email: zhengfeima@126.com
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion criteria:
- Age 18-80 years.
- Acute ischemic stroke caused by occlusion of intracranial segment of the internal carotid artery, middle cerebral artery M1, or M2 segment.
- NIHSS ≥ 6.
Meeting the criteria of endovascular treatment:
① ASPECTS score ≥ 6, possibile to start endovascular treatment within 6 hours from stroke onset.
② Stroke onset between 6-16 hours, meeting DEFUSE-3 criteria (infarct core volume < 70ml, mismatch ratio ≥ 1.8, and mismatch volume > 15ml), or DAWN criteria (NIHSS ≥ 10 and infarct core volume < 31ml; or NIHSS ≥ 20 and infarct volume 31-51ml).
③ Stroke onset between 16-24 hours, meeting DAWN criteria (NIHSS ≥ 10 and infarct core volume < 31ml; or NIHSS ≥ 20 and infarct volume 31-51ml).
④ When ASPECTS score is < 6, meeting RESCUE-Japan LIMIT criteria (ASPECTS score 3-5; stroke onset within 6 hours or between 6-24 hours but no acute stroke signs on FLAIR), or ANGEL-ASPECT criteria (stroke onset within 24 hours, ASPECTS 3-5; or onset within 24 hours, ASPECTS 0-2 and infarct core volume 70-100 mL; or onset between 6-24 hours, ASPECTS > 5 and infarct core volume 70-100 mL), or SELECT2 criteria (ASPECTS 3-5; or infarct core volume greater than 50ml).
- Experimental drug administration had to be possible within 24 hours after stroke onset.
- Obtained Informed consent from the patient or their legal representative.
Exclusion Criteria:
- Hemorrhagic diseases visible on head CT: hemorrhagic stroke, epidural hematoma, subdural hematoma, intraventricular hemorrhage, subarachnoid hemorrhage, etc.
- Pre-stroke mRS score > 1.
- Known allergy to tocilizumab or excipients.
- Known allergy to iodinated contrast agents.
- Anticipated difficulty in completing endovascular treatment due to vascular tortuosity.
- History of congenital or acquired bleeding disorders, coagulation factor deficiency diseases, thrombocytopenic diseases, etc.
- Systolic blood pressure ≥ 180 mmHg or diastolic blood pressure ≥ 110 mmHg despite blood pressure control.
- Neutrophil < 2×10 9/L.
- Platelet < 100×10 9/L.
- Blood glucose < 2.8 mmol/L (50 mg/dl) or > 22.2 mmol/L (400 mg/dl).
- Serum alanine aminotransferase (ALT) or aspartate aminotransferase (AST) levels greater than 1.5 times the upper limit of normal.
- Known recent or current serum creatinine exceeding 1.5 times the upper limit of normal or estimated glomerular filtration rate (eGFR) < 60 mL/min.
- Pregnant, lactating, or planning pregnancy within 90 days.
- Severe mental disorders or inability to comply with informed consent and follow-up requirements due to dementia.
- Concurrent malignant tumors or severe systemic diseases with an expected survival of less than 90 days.
- Presence of autoimmune diseases or use of immunosuppressive drugs.
- Systemic infectious diseases
- Participation in another interventional clinical study within 30 days before randomization or currently participating in another interventional clinical study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Tocilizumab group
Intravenously for more than 1 hour.
|
Single dose intravenous application
|
Placebo Comparator: Control group
Intravenously for more than 1 hour.
|
Single dose intravenous application
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from baseline in infarct-core volume
Time Frame: 72 hours
|
The infarct-core volume is determined by diffusion-weighted MRI, CT, or CTP images.
|
72 hours
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Death
Time Frame: 90 days
|
90 days
|
|
Early neurological improvement
Time Frame: within 24 hours
|
Decrease in National Institute of Health stroke scale (NIHSS) score of ≥8 or NIHSS score of 0-2 within 24 hours.
NIHSS scores range from 0 to 42, with higher scores indicating greater neurologic deficit
|
within 24 hours
|
NIHSS score
Time Frame: 24 hours
|
National Institutes of Health Stroke Scale (NIHSS) scores range from 0 to 42, with higher scores indicating greater neurologic deficit
|
24 hours
|
Proportion of successful reperfusion (mTICI 2b/3)
Time Frame: immediate postoperative
|
mTICI denotes modified Treatment in Cerebral Ischemia classification, with scores ranging from 0 (no flow) to 3 (normal flow)
|
immediate postoperative
|
Proportion of recanalization on follow-up CTA or MRA
Time Frame: 72 hours
|
72 hours
|
|
Incidence of cerebral hemorrhage
Time Frame: 72 hours
|
72 hours
|
|
Incidence of symptomatic cerebral hemorrhage
Time Frame: 72 hours
|
72 hours
|
|
NIHSS score
Time Frame: 7 days
|
National Institutes of Health Stroke Scale (NIHSS) scores range from 0 to 42, with higher scores indicating greater neurologic deficit
|
7 days
|
Incidence of stroke-associated pneumonia
Time Frame: 7 days
|
7 days
|
|
Incidence of decompressive craniectomy
Time Frame: 7 days
|
7 days
|
|
Proportion of patients with functional independence (mRS 0-2)
Time Frame: 90 days
|
Scores on the modified Rankin scale range from 0 to 6, with higher scores indicating greater disability
|
90 days
|
Shift analysis of mRS score
Time Frame: 90 days
|
Scores on the modified Rankin scale range from 0 to 6, with higher scores indicating greater disability
|
90 days
|
Barthel Index
Time Frame: 90 days
|
The Barthel index is an ordinal scale for measuring performance of activities of daily living.
Scores ranges from 0 to 20, with 0 indicating severe disability and 19 or 20 indicating no disability that interferes with daily activities.
|
90 days
|
EuroQoL Group 5-Dimension Self-Report Questionnaire (EQ-5D)
Time Frame: 90 days
|
EQ-5D is a standardized instrument for the measurement of health status.
Scores range from -0.33 to 1.00, with higher scores indicating a better quality of life
|
90 days
|
Adverse events and serious adverse events
Time Frame: 90 days
|
90 days
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change of hsCRP levels from admission to 72 hours
Time Frame: 72 hours
|
72 hours
|
|
Change of inflammatory blood biomarkers
Time Frame: baseline, 24 hours, 48 hours, and 72 hours
|
Interleukin-6
|
baseline, 24 hours, 48 hours, and 72 hours
|
Collaborators and Investigators
Collaborators
Investigators
- Study Director: Chuanjie Wu, M.D., Xuanwu Hospital, Beijing
- Study Director: Zhengfei Ma, M.M., Suzhou Municipal Hospital of Anhui Province
- Study Chair: Xunming Ji, M.D., Xuanwu Hospital, Beijing
- Principal Investigator: Xuehong Chu, M.D., Xuanwu Hospital, Beijing
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- SZSLYY
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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