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      A prospective, randomized, controlled study assessing vagus nerve stimulation using the gammaCore®-Sapphire device for patients with moderate to severe CoViD-19 Respiratory Symptoms (SAVIOR): A structured summary of a study protocol for a randomised controlled trial”

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          Abstract

          Objectives

          Primary Objective:

          The primary objective is to reduce initiation of mechanical ventilator dependency in patients with moderate to severe CoViD- 19. This will be measured as the difference between the control group and active group for subjects admitted to the hospital for CoViD-19.

          Secondary Objectives:

          • To evaluate cytokine trends / Prevent cytokine storms

          • To evaluate supplemental oxygen requirements

          • To decrease mortality of CoViD-19 patients

          • Delay onset of ventilation

          Trial design

          The study is a single centre, 2-arm, prospective, randomized (ratio 1:1), controlled trial with parallel groups design to compare the reduction of respiratory distress in a CoViD-19 population, using the intervention of the gammaCore®-Sapphire device plus standard of care (active) vs. standard of care alone (SoC) - the control group. The gammaCore® treatments will be used acutely and prophylactically. The active and control groups will be matched for disease and severity.

          Participants

          i. Inclusion Criteria

          The subjects have to meet all of the following criteria to be eligible to enter the trial:

          1. Patient older than 18 years

          2. Been tested positive or suspected/presumed positive for CoViD-19

          Has a cough, shortness of breath or respiratory O 2 Saturation less than or equal to 92% without need for mechanical ventilation or acute respiratory failure

          • 3.
            Agree to use the gammaCore®-Sapphire device as intended and to follow all of the requirements of the study including recording required study data
          • 4.
            Patient is able to provide signed and witnessed Informed Consent

          ii. Exclusion Criteria

          Subjects meeting any of the following criteria cannot be included in this research study:

          1. Pregnant women

          2. On home/therapy oxygen (i.e. for patients with Chronic Obstructive Pulmonary Disease) at baseline prior to development of CoViD-19

          3. Patient already enrolled in a clinical trial using immunotherapeutic regimen for CoViD-19

          4. History of aneurysm, intracranial hemorrhage, brain tumors, or significant head trauma

          5. Known or suspected severe atherosclerotic cardiovascular disease, severe carotid artery disease (eg, bruits or history of transient ischemic attack or cerebrovascular accident), congestive heart failure, known severe coronary artery disease, or recent myocardial infarction

          6. Uncontrolled high blood pressure (>140/90)

          7. Current implantation of an electrical and/or neurostimulator device, including but not limited to a cardiac pacemaker or defibrillator, vagal neurostimulator, deep brain stimulator, spinal stimulator, bone growth stimulator, or cochlear implant

          8. Current implantation of metal cervical spine hardware or a metallic implant near the gammaCore stimulation site

          9. Belongs to a vulnerable population or has any condition such that his or her ability to provide informed consent, comply with the follow-up requirements, or provide self-assessments is compromised (e.g. homeless, developmentally disabled and prisoner)

          Participants will be recruited from Hospital Clínico Universitario de Valencia in Spain.

          Intervention and comparator

          Intervention:

          • Prophylactic: Administer 2 doses (at 2 minutes each) of gammaCore® -Sapphire, one dose on each side of the neck scheduled three times a day (morning, mid-day and 1 hour before bed at night).

          • Acute respiratory failure or shortness of breath: Administer 2 doses (at 2 minutes each) of gammaCore®-Sapphire, one on each side of the neck. If shortness of breath (SOB) persists 20 minutes after the start of the first treatment, a second dose will be administered. Max doses per day is 9 or 18 stimulations.

          • Plus standard of care

          Control:

          • Standard of care: oxygen therapy, antibiotics and ventilatory support if necessary depending on the clinic

          Main outcomes

          Primary Endpoint:

          • Initiation of mechanical ventilation, from randomization until ICU admission or hospital discharge, whatever occurs first

          Secondary Endpoints:

          • Safety; ascertainment of Adverse Effects/Serious Adverse Events, from randomisation to ICU admission or hospital discharge, whatever occurs first

          • Cytokine Storm measured by: Tumor necrosis factor α, Interleukin 6, Interleukin 1β. Days 1,3,5,10,15 and/or at hospital discharge

          • Mortality and/or need for Critical Care admission, from randomisation until ICU admission or hospital discharge, whatever occurs first,

          • O2 saturation levels , from randomization until ICU admission or hospital discharge, whatever occurs first

          • Need for supplemental oxygen, from randomisation until ICU admission or hospital discharge, whatever occurs first

          Randomisation

          The patients are classified according to their oxygen levels as mild, moderate and severe and randomized according to their classification to the intervention and control in a ratio of 1:1. The randomization will be stratified for gender and age.

          Blinding (masking)

          This is an open label study, it is not possible to blind the participants and healthcare providers to the intervention.

          Numbers to be randomised (sample size)

          The total number of patients to be included in the study is 90, with 45 in each study group

          Trial Status

          The protocol version is 8.0 from 07 th April 2020. The recruitment began 20th April 2020 and is expected to be complete 31st July 2020.

          Trial registration

          The study is registered in clinicaltrials.gov on 29th April 2020 with the identification number: NCT04368156

          Full protocol

          The full protocol is attached as an additional file, accessible from the Trials website (Additional file 1). In the interest in expediting dissemination of this material, the familiar formatting has been eliminated; this Letter serves as a summary of the key elements of the full protocol.

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          Author and article information

          Contributors
          carlostornero@gmail.com
          vallejo1019@yahoo.com
          cedeno@sgxmedical.com
          jorge.orduna@hotmail.com
          ernesto.pastormz@gmail.com
          mbelaouchi@hotmail.com
          beniescamilla@gmail.com
          marisa.laredo@gmail.com
          margarzandocivera@gmail.com
          Journal
          Trials
          Trials
          Trials
          BioMed Central (London )
          1745-6215
          26 June 2020
          26 June 2020
          2020
          : 21
          Affiliations
          [1 ]GRID grid.411308.f, Hospital Clínico Universitario de Valencia, Anaesthesia, Critical Care and Pain Management Unit, ; Valencia, Spain
          [2 ]GRID grid.419845.5, Department of Basic Science, , Millennium Pain Center, ; Bloomington, IL USA
          [3 ]GRID grid.257312.0, ISNI 0000 0001 2301 9642, Department of Psychology, , Illinois Wesleyan University, ; Bloomington, IL USA
          Article
          4486
          10.1186/s13063-020-04486-w
          7316576
          © The Author(s) 2020

          Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver ( http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

          Categories
          Letter
          Custom metadata
          © The Author(s) 2020

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