Stroke treatment academic industry roundtable: Research priorities in the assessment of neurothrombectomy devices

Jeffrey L. Saver, Tudor G. Jovin, Wade S. Smith, Gregory W. Albers, Jean Claude Baron, Johannes Boltze, Joseph P. Broderick, Lisa A. Davis, Andrew M. Demchuk, Salvatore Desena, Jens Fiehler, Philip B. Gorelick, Werner Hacke, Bill Holt, Reza Jahan, Hui Jing, Pooja Khatri, Chelsea S. Kidwell, Kennedy R. Lees, Michael H. LevDavid S. Liebeskind, Marie Luby, Patrick Lyden, J. Thomas Megerian, J. Mocco, Keith W. Muir, Howard A. Rowley, Richard M. Ruedy, Sean I. Savitz, Vitas J. Sipelis, Samuel K. Shimp, Lawrence R. Wechsler, Max Wintermark, Ona Wu, Dileep R. Yavagal, Albert J. Yoo

Research output: Contribution to journalReview articlepeer-review

21 Scopus citations


BACKGROUND AND PURPOSE - The goal of the Stroke Treatment Academic Industry Roundtable (STAIR) meetings is to advance the development of stroke therapies. At STAIR VIII, consensus recommendations were developed for clinical trial strategies to demonstrate the benefit of endovascular reperfusion therapies for acute ischemic stroke. SUMMARY OF REVIEW - : Prospects for success with forthcoming endovascular trials are robust, because new neurothrombectomy devices have superior reperfusion efficacy compared with earlier-generation interventions. Specific recommendations are provided for trial designs in 3 populations: (1) patients undergoing intravenous fibrinolysis, (2) early patients ineligible for or having failed intravenous fibrinolysis, and (3) wake-up and other late-presenting patients. Among intravenous fibrinolysis-eligible patients, key principles are that CT or MRI confirmation of target arterial occlusions should precede randomization; endovascular intervention should be pursued with the greatest rapidity possible; and combined intravenous and neurothrombectomy therapy is more promising than neurothrombectomy alone. Among patients ineligible for or having failed intravenous fibrinolysis, scientific equipoise was affirmed and the need to randomize all eligible patients emphasized. Vessel imaging to confirm occlusion is mandatory, and infarct core and penumbral imaging is desirable in later time windows. Additional STAIR VIII recommendations include approaches to test multiple devices in a single trial, utility weighting of disability end points, and adaptive designs to delineate time and tissue injury thresholds at which benefits from intervention no longer accrue. CONCLUSIONS - Endovascular research priorities in acute ischemic stroke are to perform trials testing new, highly effective neuro thrombectomy devices rapidly deployed in patients confirmed to have target vessel occlusions.

Original languageEnglish (US)
Pages (from-to)3596-3601
Number of pages6
Issue number12
StatePublished - Dec 2013


  • Endovascular recanalization
  • Ischemic
  • Reperfusion
  • Stroke

ASJC Scopus subject areas

  • Clinical Neurology
  • Cardiology and Cardiovascular Medicine
  • Advanced and Specialized Nursing


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