Actively Recruiting

Phase 2
Phase 3
Age: 18Years +
All Genders
NCT05892510

Post-thrombectomy Intra-arterial Tenecteplase for Acute manaGement of Non-retrievable Thrombus and No-reflow in Emergent Stroke

Led by University of Melbourne · Updated on 2025-07-25

462

Participants Needed

13

Research Sites

182 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Multicentre, prospective, Multi-arm Multi-stage (MAMS) seamless phase 2b/3 interventional randomized placebo-controlled double-blinded parallel-assignment (2 arms with 1:1 randomization) efficacy and safety trial to test intra-arterial tenecteplase at the completion of thrombectomy versus best practice in participants with anterior circulation LVO receiving mechanical thrombectomy within 24 hours of symptoms onset.

CONDITIONS

Official Title

Post-thrombectomy Intra-arterial Tenecteplase for Acute manaGement of Non-retrievable Thrombus and No-reflow in Emergent Stroke

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Adults aged 18 years or older
  • Diagnosis of ischemic stroke with arterial large vessel occlusion on CT or MR angiogram in the intracranial internal carotid artery or middle cerebral artery (M1 or proximal M2 segment)
  • Eligible for mechanical thrombectomy within 24 hours of symptom onset
  • For symptom onset 0-6 hours: ASPECTS score of 3 or higher on non-contrast CT
  • For symptom onset 6-24 hours: Additional imaging criteria including core volume less than 100 ml on CT perfusion or MRI perfusion
  • CT or MR imaging performed within 4 hours before randomization (repeat CT required if transferred and more than 4 hours have passed)
  • Pre-stroke Modified Rankin Scale score of 2 or less indicating mild or no disability
  • Local legal consent requirements fulfilled
Not Eligible

You will not qualify if you...

  • Presence of intracranial hemorrhage on CT or MRI
  • ASPECTS score between 0 and 2 on non-contrast CT
  • Ischemic core volume greater than 100 ml on CT perfusion or MRI perfusion if symptom onset is between 6 and 24 hours
  • Planned endovascular stenting for intracranial or extracranial atherosclerotic stenosis or occlusion
  • More than six retrieval attempts during thrombectomy in the same vessel
  • Receiving alteplase infusion within 30 minutes prior to planned trial drug administration
  • Contraindications to contrast imaging agents
  • Any medical condition deemed by investigators to pose excessive risk if study therapy is started
  • Pregnancy
  • Current participation in another intervention research study involving experimental treatments beyond standard care
  • Anticoagulation with INR over 1.7 if on warfarin (dabigatran reversal allowed)
  • Standard contraindications to thrombolysis aside from time window
  • Known terminal illness with life expectancy under one year
  • Planned withdrawal of care or comfort care measures

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 13 locations

1

Gold Coast Univeristy Hospital

Gold Coast, Queensland, Australia

Actively Recruiting

2

Royal Adelaide Hospital

Adelaide, Australia

Actively Recruiting

3

Princess Alexandra Hospital

Brisbane, Australia

Not Yet Recruiting

4

Royal Brisbane and Women's Hospital

Brisbane, Australia

Not Yet Recruiting

5

Canberra Hospital

Canberra, Australia

Not Yet Recruiting

6

Alfred Hospital

Melbourne, Australia

Actively Recruiting

7

Austin Hospital

Melbourne, Australia

Actively Recruiting

8

Monash Medical Centre

Melbourne, Australia

Not Yet Recruiting

9

Royal Melbourne Hospital

Melbourne, Australia

Actively Recruiting

10

John Hunter Hospital

Newcastle, Australia

Not Yet Recruiting

11

Fiona Stanley Hospital

Perth, Australia

Not Yet Recruiting

12

Liverpool Hospital

Sydney, Australia

Not Yet Recruiting

13

Royal North Shore Hospital

Sydney, Australia

Not Yet Recruiting

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Research Team

F

Felix Ng

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

QUADRUPLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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