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Sublingual Edaravone Dexborneol for Inter-hospital Transfer Acute Ischemic Stroke (SLEDAIS) (SLEDAIS)

24. juni 2026 oppdatert av: Zhongming Qiu, Xinqiao Hospital of Chongqing

Efficacy and Safety of Sublingual Edaravone Dexborneol for Inter-hospital Transfer Acute Ischemic Stroke: A Multicenter, Randomized, Double-blind, Placebo-controlled Clinical Trial

This is a multicenter, randomized, double-blind, placebo-controlled clinical trial (SLEDAIS) involving 1,040 patients with acute ischemic stroke (AIS) who require inter-hospital transfer for potential endovascular therapy. The study aims to evaluate the efficacy and safety of sublingual Edaravone Dexborneol tablets administered in the ultra-early stage (within 6 hours of symptom onset) during the critical inter-hospital transfer window.

Patients will be randomly assigned in a 1:1 ratio to receive either sublingual Edaravone Dexborneol (a loading dose of 4 tablets initially, followed by 1 tablet twice daily for 13 days) or a matching placebo. The primary efficacy endpoint is the functional outcome assessed by the modified Rankin Scale (mRS) score at 90 days. The primary safety endpoint is the mortality rate at 90 days. This study seeks to provide high-quality evidence for neuroprotection during the transfer period, potentially improving functional recovery for stroke patients.

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

1040

Fase

  • Fase 4

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studiesteder

  • Kina
    • Chongqing Municipality
      • Chongqing, Chongqing Municipality, Kina, 400000
        • Xinqiao Hospital and The Second Affiliated Hospital

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

  • Aged 18 to 80 years (inclusive).
  • Time from last known normal to arrival at the first hospital is within 6 hours.
  • Clinical and imaging diagnosis of acute ischemic stroke, with a Los Angeles Motor Scale (LAMS) score ≥ 4, or occlusion of the internal carotid artery, M1/M2 segment of the middle cerebral artery, V4 segment of the vertebral artery, or basilar artery confirmed by CTA/MRA at the first or target hospital.
  • ASPECTS score ≥ 6 on non-contrast head CT at the first hospital.
  • Clinically assessed as planned for immediate transfer to a target hospital for evaluation of endovascular therapy (final decision on whether to perform EVT is made by the neuro-interventionist at the target hospital based on imaging and clinical status).
  • Written informed consent signed by the patient or their legal representative.

Exclusion Criteria:

  • Allergy to contrast agents, nickel, titanium, or their alloys.
  • Known allergy to dexborneol, edaravone, or excipients.
  • Pre-stroke modified Rankin Scale (mRS) score ≥ 2.
  • Patients receiving intravenous thrombolysis alone.
  • Severe impairment of consciousness (e.g., GCS score < 8) or inability to cooperate with sublingual administration.
  • Severe hepatic or renal insufficiency (e.g., ALT/AST > 3 times the upper limit of normal, Cr > 2 times the upper limit of normal).
  • Estimated inter-hospital transfer time > 3 hours.
  • Pregnant or lactating women.
  • Arterial tortuosity and/or other arterial diseases where the thrombectomy device is expected to be unable to reach the target vessel.
  • Brain tumors with mass effect on imaging (except small meningiomas).
  • Currently participating in other drug clinical trials.
  • History of neurological or psychiatric diseases that hinder the assessment of neurological function.
  • Any late-stage disease with an expected life expectancy < 6 months.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Firemannsrom

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Placebo komparator: Placebo gruppe
Legemiddel: Placebo
Matching placebo sublingual tablets identical in appearance, smell, and packaging to the active drug. Participants will receive a loading dose of 4 placebo tablets (each containing 60μg dexborneol, a trace amount solely for maintaining blinding with no expected therapeutic effect) within 10 minutes after randomization. From day 2 to day 14, participants will receive 1 placebo tablet twice daily. The placebo is designed to be indistinguishable from Edaravone Dexborneol tablets to maintain the double-blind design.
Eksperimentell: Edaravone Dexborneol Group
Legemiddel: Edaravone dexborneol sublingual tablet
Edaravone Dexborneol is a novel neuroprotective agent combining edaravone (a free radical scavenger) and dexborneol (an anti-inflammatory component) in a 5:1 ratio. In this study, participants in the experimental group will receive a loading dose of 4 sublingual tablets (each containing edaravone 30mg + dexborneol 6mg, total: edaravone 120mg + dexborneol 24mg) within 10 minutes after randomization during inter-hospital transfer. From day 2 to day 14, participants will receive 1 tablet twice daily. The sublingual formulation dissolves within 5 minutes, allowing rapid absorption through the sublingual venous plexus and bypassing hepatic first-pass effect. This high initial loading dose aims to rapidly establish therapeutic concentrations before endovascular therapy to provide neuroprotection during the critical transfer window.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Modified Rankin Scale (mRS) Score at 90 Days
Tidsramme: 90 days
Functional outcome assessed by the modified Rankin Scale (mRS) at 90 days post-randomization. The mRS is an ordinal scale ranging from 0 (no symptoms) to 6 (death), used to evaluate the degree of disability or dependence in daily activities.
90 days
Mortality Rate at 90 Days
Tidsramme: 90 days
All-cause mortality rate within 90 days post-randomization.
90 days

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Infarct Volume at 36 Hours
Tidsramme: 36 hours
Infarct volume (ml) measured by non-contrast CT or MRI-DWI at 36 hours post-procedure.
36 hours
NIHSS Score at Discharge
Tidsramme: 5-7 days or discharge
National Institutes of Health Stroke Scale (NIHSS) score assessed at 5-7 days or at hospital discharge, whichever comes first.
5-7 days or discharge
Proportion of Patients With mRS 0-1 at 90 Days
Tidsramme: 90 days
Percentage of patients achieving excellent functional outcome (mRS score 0-1, indicating no symptoms or symptoms but no disability) at 90 days.
90 days
Proportion of Patients With mRS 0-2 at 90 Days
Tidsramme: 90 days
Percentage of patients achieving functional independence (mRS score 0-2, indicating no to mild disability but able to care for self) at 90 days.
90 days
EQ-5D-5L Score at 90 Days
Tidsramme: 90 days
Health-related quality of life assessed by the EuroQol 5-Dimension 5-Level (EQ-5D-5L) questionnaire at 90 days.
90 days
Incidence of Symptomatic Intracranial Hemorrhage at 36 Hours
Tidsramme: 36 hours
Incidence of symptomatic intracranial hemorrhage (sICH) assessed by Heidelberg criteria at 36 hours post-procedure.
36 hours
Incidence of Any Intracranial Hemorrhage at 36 Hours
Tidsramme: 36 hours
Proportion of patients with any type of intracranial hemorrhage (including hemorrhagic infarction and parenchymal hematoma) at 36 hours.
36 hours
Incidence of Non-Intracranial Hemorrhage Complications
Tidsramme: 90 days
Incidence of non-intracranial bleeding complications within 90 days, including gastrointestinal bleeding, urinary tract bleeding, oral or nasal mucosal bleeding, and subcutaneous hematoma.
90 days
Incidence of Non-Hemorrhagic Serious Adverse Events
Tidsramme: 90 days
Incidence of non-hemorrhagic serious adverse events (SAEs) within 90 days.
90 days

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Xinqiao Hospital of Chongqing

Samarbeidspartnere

Simcere Pharmaceutical Group Co., LTD

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Generelle publikasjoner

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

1. juli 2026

Primær fullføring (Antatt)

1. juli 2028

Studiet fullført (Antatt)

30. september 2028

Datoer for studieregistrering

Først innsendt

24. juni 2026

Først innsendt som oppfylte QC-kriteriene

24. juni 2026

Først lagt ut (Faktiske)

6. juli 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

6. juli 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

24. juni 2026

Sist bekreftet

1. juni 2026

Mer informasjon

Begreper knyttet til denne studien

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • 2026-189-002

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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