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Efficacy and safety of proximal blood flow arrest during endovascular thrombectomy, A multicenter, randomized, open-label, blind-endpoint clinical trial.

A Multicenter, Randomized, Open-label, Blinded Endpoint Evaluation Clinical Study of Proximal Blood Flow Control Devices for the Endovascular Treatment of Acute Large Vessel Occlusion (PEREFECT Trial)

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500108540
Enrollment
Unknown
Registered
2025-09-01
Start date
2025-09-01
Completion date
Unknown
Last updated
2025-09-08

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

Conditions

Acute Ischemic Stroke

Interventions

Experiment group:Proximal flow control device (balloon guiding catheter) plus endovascular treatment group (experimental group)
Control group:Conventional access catheter plus endovascular treatment group (control group)

Sponsors

The First Affiliated Hospital of Chongqing Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Age>=18 years old; 2. Patients who received endovascular treatment for acute large vessel occlusive stroke within 24 hours of onset; 3. Anterior circulation large vessel occlusive stroke (ICA, M1, M2) judged by clinical symptoms or imaging examination; 4. NIHSS score> 5 points; 5. ASPECTS score>=3; 6. Patients or family members sign written informed consent.

Exclusion criteria

Exclusion criteria: 1. Intracranial hemorrhage confirmed by CT or MRI of the head; 2. Severe stenosis (>90%) or tandem occlusion of the lateral cranial segment of the ipsilateral internal carotid artery; 3. Stent previously implanted in the ipsilateral carotid artery; 4. Dissection of the ipsilateral carotid artery; 5. Participating in other drug or device clinical trials affecting this study; 6. Pre-onset mRS score >=2 points; 7. Pregnant or lactating women; 8. Allergy to contrast agents; 9. Blood glucose 22.2mmol/L (400mg/dl); 10. Systolic blood pressure >185mmHg or diastolic blood pressure >110mmHg, and oral antihypertensive drugs cannot be controlled; 11. Genetic or acquired bleeding constitution, lack of anticoagulant factors; or have taken oral anticoagulants with INR>1.7; 12. Platelet count less than 70x 10^9/L; 13. Arterial tortuosity causes thrombectomy device to fail to reach the target blood vessel; 14. History of bleeding (gastrointestinal and urinary tract bleeding) in the past 1 month; 15. Patients with chronic hemodialysis and severe renal insufficiency (glomerular filtration rate 220µmol/L (2.5mg/dl)); 16. Life expectancy < 6 months due to advanced disease; 17. Expected to be unable to complete follow-up; 18. Intracranial aneurysm, arteriovenous malformation; 19. Brain tumors with mass effect on imaging; 20. Macular edema;

Design outcomes

Primary

MeasureTime frame
The distribution of mRS score at 90d;Mortality at 90d(%);Symptomatic intracranial hemorrhage (sICH) (defined based on the Heidelberg hemorrhage grading);

Secondary

MeasureTime frame
mRS score 0-1 at 90d(%);mRS score 0-2 at 90d(%);mRS score 0-3 at 90d(%);mRS score 0-4 at 90d(%);Changes in NIHSS score 5-7 days ;Successful recanalization proportion after the first thrombectomy (eTICI 2b50-3);Perfect recanalization proportion after the first thrombectomy (eTICI 2c-3);Complete recanalization proportion after the first thrombectomy (eTICI 3);Successful recanalization rate at the end of the procedure (eTICI 2b50-3);Complete recanalization rate post-procedure (eTICI 2c-3);Time from puncture to recanalization;90-day EQ-5D scale score;

Countries

China

Contacts

Public ContactZheng Peng

The First Affiliated Hospital of Chongqing Medical University

282971157@qq.com+86 185 8101 0769

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026