Clinical trial Recruiting at 1 site Phase 3 Interventional Ages 18 to 80

Methylprednisolone given into the artery and IV after thrombectomy for anterior large-vessel stroke

Official title: Intra-arterial Methylprednisolone After Successful Endovascular Thrombectomy Anterior Circulation Large Vessel Occlusion

Run by Tang-Du Hospital · NCT07141303 · Data updated 2026-11-12

This trial tests whether giving intra-arterial methylprednisolone immediately after a successful thrombectomy followed by three days of IV methylprednisolone helps people with acute anterior large-vessel ischemic stroke recover better.

More Acute Ischemic Stroke trials

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years to 80 Years
SexAll
Enrollment1060 (estimated)
SponsorTang-Du Hospital
Academic / other
Locations1 site (Xi'an, Shaanxi)
StatusRecruiting
StartedAugust 8, 2025
Main results expectedDecember 31, 2027
Study endsJune 30, 2028
Registry record updatedSeptember 18, 2025
Trial IDNCT07141303 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults 18–80 with anterior circulation large-vessel occlusion acute ischemic stroke within 24 hours, NIHSS ≥6, ASPECTS ≥3, who achieve successful endovascular thrombectomy (eTICI 2b50-3) and can provide informed consent are ideal candidates.

Probably not a fit

Patients with intracranial hemorrhage, prestroke disability (mRS ≥2), pregnancy or lactation, allergy to methylprednisolone, unsuccessful recanalization, or those outside the time window are unlikely to benefit from this trial intervention.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

IMPACT-LVO is a multicenter, randomized, double-blind, placebo-controlled Phase 3 trial enrolling anterior circulation large-vessel occlusion stroke patients within 24 hours of last known well who achieve successful reperfusion (eTICI 2b50-3) after endovascular thrombectomy. Participants are randomized 1:1 to receive either intra-arterial methylprednisolone 40 mg immediately after recanalization followed by intravenous methylprednisolone 2 mg/kg daily for three days, or matching placebo. The trial will monitor safety and functional outcomes to determine if the steroid regimen reduces secondary injury and improves recovery. Standard imaging and clinical scales (NIHSS, ASPECTS, mRS) are used for eligibility and outcome assessment under blinded conditions.

Why it matters

Potential benefit: If effective, this approach could reduce post-reperfusion inflammation and secondary brain injury, leading to better functional recovery and less disability after thrombectomy.

How similar studies have gone: Steroids in acute stroke have produced mixed results historically, and the specific strategy of intra-arterial steroid immediately after thrombectomy is relatively novel and not yet proven in large trials.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Age 18-80 years old; 2) The time from onset to randomization was within 24 hours; 3) Large vessel occlusive stroke in the anterior circulation confirmed by CTA/MRA/DSA (Including intracranial segment of internal carotid artery, M1 or M2 segment of middle cerebral artery) and the vessel responsible for the signs and symptoms of acute ischemic stroke; 4) NIHSS score \>= 6 points 5) Alberta Stroke Program Early Diagnosis (ASPECTS) score of NCCT \>=3; 6) Successful endovascular thrombectomy (eTICI 2b50-3) 7) Written informed consent signed by patients or their family members

Exclusion Criteria:

1. Intracranial hemorrhage confirmed by computed tomography (CT) or magnetic resonance imaging (MRI);
2. Prestroke mRS score \>= 2
3. pregnant or lactating patients
4. Allergy to iodinated contrast media, or methylprednisolone sodium succinate
5. Participating in other clinical research;
6. Inherited/acquired hemorrhagic diathesis (coagulation factor deficiency) or oral anticoagulation with international normalized ratio (INR) \>1.7
7. History of major bleeding within the past 1 month (gastrointestinal/genitourinary hemorrhage)
8. Chronic hemodialysis and severe renal insufficiency (glomerular filtration rate \< 30ml/min/1.73m\^2 or serum creatinine \> 220μmol/L (2.5mg/dl));
9. Terminal illness with life expectancy \<6 months;
10. Blood glucose \< 2.8mmol/L (50mg/dl) or \> 22.2mmol/L (400mg/dl);
11. Intracranial aneurysm, arteriovenous malformation, or space-occupying brain tumor with mass effect on imaging
12. Active systemic infectious disease
13. Anticipated inability to complete follow-up
14. Intraoperative DSA showed vascular perforation, dissection, and contrast extravasation;
15. Puncture to recanalization was more than 90 minutes; Total thrombectomy passes \>3

Where it's running

  • Tangdu Hospital
    Xi'an, Shaanxi, China
    Recruiting

Study contacts

Similar studies

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.