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Edaravone Dexborneol for Treatment of Acute Ischemic Stroke With Endovascular Therapy in Extended Time Windows

Edaravone Dexborneol for Treatment of Acute Ischemic Stroke With Endovascular Therapy in Extended Time Windows (EXISTENT):a Prospective, Randomized, Open-label, Multi-centre Study

Status
UNKNOWN
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04817527
Acronym
EXISTENT
Enrollment
200
Registered
2021-03-26
Start date
2021-10-01
Completion date
2022-12-31
Last updated
2022-04-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Stroke, Ischemic

Keywords

Endovascular therapy, Extended Time Windows

Brief summary

To explore the safety and efficacy of edaravone dexborneol for patients of acute ischemic stroke received endovascular therapy in extended time windows.

Interventions

Intravenous injections of edaravone dexborneol (37.5mg in 0·9% NaCl) BID for 7-14days.

Sponsors

First Affiliated Hospital Xi'an Jiaotong University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

1. 18 to 80 years of age; 2. Acute ischemic stroke with National Institute of Health Stroke Scale (NIHSS) ≥ 10 and Volume of infarction on DWI \<31ml or with a NIHSS ≥20 and 31ml\<Volume of infarction\<51ml(DWI); 3. Patients who presented with acute ischemic stroke and a large vessel occlusion in the anterior circulation; 4. Endovascular Therapy in 6-24 hours of stroke onset; 5. The availability of informed consent.

Exclusion criteria

1. First ever stroke or mRS≤1 after previous disease; 2. Hemorrhagic stroke: cerebral hemorrhage, subarachnoid hemorrhage; 3. Coagulation disorders, systematic hemorrhagic tendency, thrombocytopenia 4. Severe hepatic or renal dysfunction, increase in ALT or AST (more than 2 times of upper limit of normal value), increase in serum creatinine (more than 1.5 times of upper limit of normal value) or requiring dialysis; 5. Severe cardiac or pulmonary disease; 6. Patients with malignant tumor or under antineoplastic therapy with estimated lifetime less than 3 months; 7. Pregnancy, plan to get pregnant or during lactation; 8. Patients with contraindication or allergic to any ingredient of drugs in our study; 9. Unsuitable for this clinical studies assessed by researcher

Design outcomes

Primary

MeasureTime frame
Proportion of patients with modified Rankin Score 0 to 3 on day 9090 days
Proportion of symptomatic intracranial hemorrhage (sICH)48 hours
mTICI grade (<2 b、≥2 b) stratified for primary outcome analysis90 days

Secondary

MeasureTime frame
The proportion of patients with Barthel Index (BI) score greater than or equal to 95 on day 14, 30, 9090 days
Activity of Daily Living Scale(ADL) score on day 14, 30, 9090 days
Montreal Cognitive Assessment(MoCA) score on day 14, 30, 9090 days
Serum inflammatory factors changes on day 1 and day 77 days
Changes in National Institute of Health stroke scale (NIHSS) on day 2,7,1414 days
Midline shift on the CT scan7 days
Proportion of death due to any cause90 days
Proportion of Serious adverse events(SAE)90 days
Proportion of PH1 and PH2 within 48 hours after the treatment48 hours
Distribution of modified Rankin Score after the treatment90 days
Change in infarct volume7 days

Countries

China

Contacts

Primary ContactJianfeng Han, MD
rabbit1110@163.com+8618991232708
Backup ContactYing Tan, MD
13581693768@163.com+8613581693768

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026