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Antithrombotic Treatment Strategies in Cervical Artery Dissection (TREAT-CAD 2)

Antiplatelet Versus Anticoagulation TREATment Strategies in Cervical Artery Dissection - TREAT-CAD 2 - A Multicenter, Randomized, Two-arm Parallel Group, Open-label, Blinded Endpoint, Pragmatic Trial

The goal of this clinical randomised controlled trial is to compare two treatment strategies - antiplatelet treatment strategy versus anticoagulation treatment strategy - in patients with acute, ischemic Cervical Artery Dissection (CAD). The study population includes patients presenting with any (clinical or imaging) signs of cerebral ischemia due to CAD.

The trial aims to estimate the net effect of antiplatelet versus anticoagulation treatment strategies on the composite primary outcome including recurrent ischemic stroke, major bleeding, or vascular death at 90 days (±2 weeks) after randomization.

Participants will:

  • be randomly allocated to antiplatelet treatment strategy or anticoagulation treatment strategy
  • receive treatment according to assigned strategy for the study period of 90 days
  • be followed up for 90 days (±2 weeks) after randomization
  • undergo clinical assessments to monitor for stroke recurrence, bleeding events, and vascular death Participant reported outcomes will be assessed both at 90 days (±2 weeks) and 12 months (± 4 weeks) after enrolment and will also expand to measures of quality of life and mental health outcomes.

Studieoversigt

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

1100

Fase

  • Ikke anvendelig

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • Written informed consent (according to requirements by national legislation)
  • Onset/visualization of acute cerebral ischemia (≤ 3 days prior to randomization) attributable to CAD (either)

    • CLINICAL ISCHEMIA: onset of acute ischemic stroke (including retinal infarct) or transient ischemic attack (including amaurosis fugax) attributable to CAD OR
    • ISCHEMIA WITHOUT CORRESPONDING SYMPTOMS: visualization of acute ischemic lesion on diffusion weighted imaging attributable to CAD
  • Clinical MRI with suitable sequences for CAD diagnosis

    • available OR
    • scheduled to be performed before discharge (if not performed before enrolment)
  • Diagnosis of Cervical Artery Dissection (i.e. extracranial carotid and/or vertebral artery) by MRI/A or CTA based on the presence of the following criteria (at least one)

    • Mural hematoma OR
    • Long tapering stenosis OR
    • Intimal flap OR
    • Double lumen OR
    • Flame-like occlusion of the dissected artery

Exclusion Criteria:

  • Contraindications to either antiplatelets or oral anticoagulation therapy
  • Other indication than CAD for full dose oral anticoagulation
  • Contraindications for performance of MRI
  • Age < 18 years
  • Female patients who are either pregnant or breastfeeding (pregnancy testing prior to start of treatment will follow the standard operating procedures of clinical routine at participating sites)

Thrombolysis and/or endovascular treatment (EVT) is/are not considered an exclusion criterion.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Antiplatelet Treatment Strategy
Includes aspirin (ASA) or clopidogrel monotherapy or dual antiplatelet therapy (ASA + clopidogrel), at the choice of the treating physician but adhering to latest ESO guideline
Eksperimentel: Anticoagulation Treatment Strategy
Includes vitamin K antagonists (phenprocoumon, acenocoumarol, warfarin) with target INR 2.0-3.0 and heparin/LMWH bridging if needed or DOACs (apixaban, edoxaban, dabigatran, rivaroxaban) - at the choice of the treating physician but adhering to latest ESO guideline

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Net effect of antiplatelet treatment strategy versus anticoagulation treatment strategy
Tidsramme: From enrollment to day 90 (± 2 weeks)
The primary endpoint is a composite of the occurrence of (1) recurrent ischemic stroke, (2) major bleeding (extracranial or intracranial), or (3) vascular death
From enrollment to day 90 (± 2 weeks)

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Occurrence of each single component of the primary composite outcome measure
Tidsramme: From enrollment to day 90 (± 2 weeks)
From enrollment to day 90 (± 2 weeks)
- Functional neurological outcome (mRS)
Tidsramme: From enrollment to day 90 (± 2 weeks)
absolute difference and shift in favorable outcome (defined as mRS ≤ 2)
From enrollment to day 90 (± 2 weeks)
All-cause mortality
Tidsramme: From enrollment to day 90 (± 2 weeks)
From enrollment to day 90 (± 2 weeks)
Recurrence of Cervical Artery Dissection
Tidsramme: From enrollment to day 90 (± 2 weeks)
From enrollment to day 90 (± 2 weeks)
Patient-reported outcome measure on global health (PROMIS-10)
Tidsramme: From enrollment to day 90 (± 2 weeks)
From enrollment to day 90 (± 2 weeks)
Health related quality of life (EQ-5D Visual Analog scale)
Tidsramme: From enrollment to day 90 (± 2 weeks)
From enrollment to day 90 (± 2 weeks)

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. juli 2026

Primær færdiggørelse (Anslået)

1. marts 2030

Studieafslutning (Anslået)

1. marts 2030

Datoer for studieregistrering

Først indsendt

25. maj 2026

Først indsendt, der opfyldte QC-kriterier

6. juni 2026

Først opslået (Faktiske)

10. juni 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

10. juni 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

6. juni 2026

Sidst verificeret

1. maj 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • 2026-01009

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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