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Non-invasive Vagus Nerve Stimulation in Acute Ischemic Stroke (NOVIS)

L

Leiden University Medical Center (LUMC)

Status

Active, not recruiting

Conditions

Ischemic Stroke

Treatments

Device: non-invasive Vagus Nerve Stimulator

Study type

Interventional

Funder types

Other
Industry

Identifiers

NCT04050501
NL64702.058.18

Details and patient eligibility

About

The main objective of the study will be to investigate whether treatment with non-invasive vagus nerve stimulation (nVNS) on top of best medical practice in acute ischemic stroke patients results in less infarct growth in the penumbra and smaller infarct volumes compared with those of patients not treated with nVNS. The study will be a prospective randomized clinical trial with blinded outcome assessment (PROBE design). 150 patients will be randomized to nVNS with the gammaCore Sapphire™ device on top of best medical practice versus best medical practice alone (including intravenous thrombolysis and/or thrombectomy if indicated). If patients are randomized to nVNS, two stimulations of two minutes each will be applied in the neck every 15 minutes in the first 3 hours. Thereafter two stimulations will be applied every 8 hours over the next 5 days or until discharge, whichever occurs first. The stimulation side in the neck will be the radiological side of the stroke. The primary endpoint will be the final infarct volume on MRI scan on day 5 of patients treated with nVNS compared with those of patients not treated with VNS.

Enrollment

150 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Ischemic stroke
  • NIHSS ≥1
  • Perfusion deficit on the admission CTP scan; the penumbra must comprise at least 1/3 of the total ischemic area (ischemic core and penumbra)
  • The infarct has to comprise the anterior circulation
  • Treatment has to start <12 hours after stroke onset
  • Patients or their representatives need to give their informed consent

Exclusion criteria

  • A life expectancy of less than three months

  • mRS >2 prior to admission

  • Contra-indication for contrast CT

  • Contra-indications for VNS:

    • An active implantable medical device such as a pacemaker, deep brain stimulator, or any implanted electronic device
    • Symptomatic stenosis or dissection of the carotid artery (in these patients the other side will be stimulated unless a significant stenosis on the other side is present as well)
    • Structural abnormality e.g. lymphadenopathy, previous surgery or abnormal anatomy (in these patients the other side will be stimulated)
    • Metal cervical spine hardware or metallic implant near the stimulation site
    • Cervical vagotomy (in these patients the other side will be stimulated)
    • Pregnancy

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

150 participants in 2 patient groups

non-invasive Vagus Nerve Stimulation
Active Comparator group
Description:
non-invasive Vagus Nerve Stimulation on top of best medical practice
Treatment:
Device: non-invasive Vagus Nerve Stimulator
Standard Care
No Intervention group
Description:
Best medical practice alone

Trial contacts and locations

1

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Central trial contact

Marieke JH Wermer, MD PhD; Anne van der Meij, PhD

Data sourced from clinicaltrials.gov

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