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Clinical trialNCT03845491CompletedObservational

ASSIST Registry Studying Various Operator Techniques

SponsorStryker NeurovascularEnrollment1,492Ischemic Stroke
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The purpose of this Registry is to assess the procedural success and clinical outcomes associated with various operator techniques for mechanical thrombectomy in large vessel occlusions (LVO).

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

72 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Belgium
  • Ghent University Hospital

    Ghent, Belgium

  • Az Sint-Jan Av Brugge Oostende

    Ostend, Belgium

Canada
  • Toronto Western Hospital

    Toronto, Canada

Czechia
  • Hradec Kralove

    Hradec Králové, Czechia

France
  • Chu Bordeaux_gh Pellegrin

    Bordeaux, France

  • Hospital Cavale Blanche Chu Brest

    Brest, France

  • Chu Lyon- Hopital P. Wertheimer

    Bron, France

  • Chu Rouen

    Rouen, France

Germany
  • Klinikum Dortmund

    Dortmund, Germany

  • University Hospital Heidelberg

    Heidelberg, Germany

  • Klinikum Kassel

    Kassel, Germany

  • Klinikum Lmu

    Munich, Germany

  • Klinikum Rechts Der Isar

    Munich, Germany

  • Klinikum Vest Recklinghausen

    Recklinghausen, Germany

Italy
  • Ospedale Policlinico San Martino

    Genova, Italy

  • Aopu G. Martino

    Messina, Italy

  • Ao Parma

    Parma, Italy

  • Ao San Camillo Forlanini

    Roma, Italy

  • Azienda Ospedaliera Siena

    Siena, Italy

  • Ao Modena

    Via Giardini, Italy

South Korea
  • Cheonnam University Hospital

    Gwangju, South Korea

  • the Catholic University of Korea, St. Vincent'S Hospital

    Suwon, South Korea

Spain
  • Hospital Clínico Universitario de Valladolid

    Valladolid, Castille and León, Spain

  • Hospital Universitario Central de Asturias - Huca

    Oviedo, Vigo, Spain

  • Hospital Vall de Hebron

    Barcelona, Spain

  • Hospital 12 de Octubre

    Madrid, Spain

  • Hospital Clinico San Carlos

    Madrid, Spain

  • Hospital de la Princesa

    Madrid, Spain

  • Hospital Son Espases de Mallorca

    Palma de Mallorca, Spain

  • Hospital Universitario Marqués de Valdecilla

    Santander, Spain

Switzerland
  • University Hospital Basel

    Basel, Switzerland

  • Hug Geneva

    Geneva, Switzerland

  • Chuv

    Lausanne, Switzerland

United Kingdom
  • Charing Cross

    London, United Kingdom

United States
  • Banner Desert

    Mesa, Arizona, United States

  • Kaiser Permanente Fontana

    Fontana, California, United States

  • Kaiser Permanente la

    Los Angeles, California, United States

  • Ucla Medical Center

    Los Angeles, California, United States

  • Doctors Medical Center Modesto

    Modesto, California, United States

  • Uc Irvine

    Orange, California, United States

32 more sites on the registry record.ClinicalTrials.gov ↗

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study. It may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
24 Jan 2019
Primary completion
11 Apr 2022
Completion
25 Jan 2023
Last update posted
13 May 2025
Registered enrollment
1,492
Registry id
NCT03845491

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.