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Study identifier: NCT05320263 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

Contact Aspiration Versus Stent Retriever for Recanalisation of Acute Stroke Patients With Basilar Artery Occlusion: The Posterior Circulation ASTER Randomized Trial Protocol

Condition: Basilar Artery Occlusion  ·  Sponsor: Hopital Foch

PhaseNA
Planned participants480
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

Acute ischemic stroke (AIS) patients with basilar artery occlusion (BAO) present a devastating, life-threatening prognosis. Urgent recanalization with endovascular mechanical thrombectomy is routinely performed in patients with BAO although the level of evidence is lower than that in anterior circulation occlusions (randomization in this population versus medical treatment alone having been impossible in recent studies). Recently, a large retrospective study supports the interest of thrombectomy in this population . Speed and grade of the recanalisation have a major impact on clinical outcome. Favorable outcome at 90 days is strongly associated with the successful recanalization status at the end of the endovascular procedure (OR=4.57, 95%CI=1.24-16.87, P=0.023). First pass effect has been shown to be a strong marker of efficacy of endovascular procedure with significant correlation with clinical outcome. Thrombectomy with Stent retrievers dramatically changed the prognosis of anterior circulation large vessel occlusion strokes and currently used in BAO patients (posterior circulation). Contact aspiration (CA) is currently used in anterior large vessel occlusions (COMPASS trial, Lancet 2019), with similar rates of recanalization and favorable outcomes (Boulanger M, 2019), as well as in BAO patients . However, the benefit of CA compared to SR for the treatment of BAO remains under debate with the superiority of first line CA compared to SR or no difference. Available data…

This description comes directly from the study's public registry record.

Talk to the study team

Arturo CONSOLI  ·  0033146251955  ·  a.consoli@hopital-foch.com

Bertrand LAPERGUE  ·  0033146255973  ·  b.lapergue@hopital-foch.com

Always discuss trial participation with your own doctor first.

Locations (12)

Chu BordeauxBordeaux, FranceRecruiting
CHU CaenCaen, FranceNot Yet Recruiting
CHU LimogesLimoges, FranceNot Yet Recruiting
CHU MontpellierMontpellier, FranceNot Yet Recruiting
Chru NancyNancy, FranceRecruiting
Chu NantesNantes, FranceNot Yet Recruiting
APHP - Pitié SalpêtrièreParis, FranceNot Yet Recruiting
Fondation Adolphe de RothschildParis, FranceRecruiting
CHU de ReimsReims, FranceNot Yet Recruiting
CHU RennesRennes, FranceNot Yet Recruiting
Hôpital FOCHSuresnes, FranceRecruiting
CHU de ToursTours, FranceNot Yet Recruiting

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Source record: clinicaltrials.gov/study/NCT05320263