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July 13, 2026Communications BiologyOpen Access

Von Willebrand factor A1 blockade prevents platelet-mediated sustained occlusion for the treatment of arterial thrombosis

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Authors

EMEmily MihalkoRKRonit KarBHBlake Holthaus

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Overview

Randomized trial evaluates BB-031 efficacy in improving arterial thrombosis outcomes, suggesting a new treatment path.

Key Points

  • The aim is to investigate the effectiveness of VWF-A1 domain inhibitors like BB-031 in preventing sustained arterial thrombosis compared to standard therapies.
  • Utilized a microfluidic system to simulate arterial thrombosis and evaluate treatments.
  • Analyzed thrombus morphology and patency during and after a 2-hour reperfusion period post-occlusion.
  • Compared BB-031 treatment to vehicle, tissue plasminogen activator, and other thrombolytic agents.
  • BB-031 significantly improved microfluidic patency compared to both vehicle and tPA, indicating superior therapeutic potential.
  • Thrombi remodeled substantially post-occlusion, with BB-031 preventing sustained thrombus formation effectively.
  • Acute ischemic stroke patient samples showed enhanced microfluidic patency when treated with BB-031.

Cite This Study

Mihalko et al. (2026) studied this question.

synapsesocial.com/papers/6a548105475c38bf615a5754https://doi.org/10.1038/s42003-026-10616-y
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1The aptamer BT200 blocks von Willebrand factor and platelet function in blood of stroke patients2021 · 36 citations
  2. 2Reperfusion of cerebral artery thrombosis by the GPIb–VWF blockade with the Nanobody ALX-0081 reduces brain infarct size in guinea pigs2013 · 69 citations
  3. 3Mechanisms of von Willebrand factor activation driving no reflow in ischemic stroke2026
  4. 4GpIbα-VWF blockade restores vessel patency by dissolving platelet aggregates formed under very high shear rate in mice2014 · 77 citations
  5. 5Abstract DP316: BB-031 inhibition of VWF in AIS: does it cast a large NETs?2026