Percutaneous Temporary Placement of a Phrenic Nerve Stimulator for Diaphragm Pacing, a First in Human Trial

NCT ID: NCT02670460

Last Updated: 2016-04-15

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

24 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-10-31

Study Completion Date

2016-04-30

Brief Summary

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Study conducted to confirm phrenic nerve stimulation using the Lungpacer LIVE Catheter, confirm capture of the diaphragm and confirm that the diaphragm can be paced in synchrony with mechanical ventilator breaths.

Detailed Description

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This study is being conducted to determine if in an anaesthetized (sedated, intubated and mechanically ventilated) subject the LIVE Catheter can be inserted percutaneously and activated via the electrical stimulator to stimulate the left and right phrenic nerves causing the diaphragm to contract in synchrony with mechanical ventilator breaths via phrenic nerve stimulation from a transvenously delivered electrical current.

Conditions

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Ventilator Induced Lung Injury

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Blinding Strategy

NONE

Study Groups

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Temporary diaphragmatic pacing

There is no comparator for this study. Single site and all patients are in the treatment allocated group of temporary diaphragmatic pacing with the LIVE Catheter which is inserted via the left subclavian vein.

Group Type EXPERIMENTAL

LIVE Catheter

Intervention Type DEVICE

Placement of a temporary LIVE Catheter central venous pacing device in the left subclavian vein to pace the phrenic nerves and allow recruitment of the diaphragm muscle.

Interventions

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LIVE Catheter

Placement of a temporary LIVE Catheter central venous pacing device in the left subclavian vein to pace the phrenic nerves and allow recruitment of the diaphragm muscle.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Able and willing to give informed consent or whose legally authorized representative is able and willing to give informed consent.
* Able to undergo general anaesthesia (sedation, intubation and mechanical ventilation)
* Susceptible indication for atrial septal defect closure

Exclusion Criteria

* Subject has an EF of \< 30%
* Subject has a co-morbid illness or life expectancy \< 2 years
* Subject has experienced an AMI within 72 hours prior to this procedure
* Subject is contraindicated for or unwilling to take aspirin or anticoagulants
* Subject is in cardiogenic shock
* Subject has other cardiovascular disease requiring open heart surgery
* Subject is known to have a demonstrated intra cardiac thrombus on echocardiography
* Subject has been treated with paralytic medications within 72 hours prior to procedure
* Subject has significant thoracic abnormalities such that placement of a left subclavian line would be difficult
* Inability to cannulate the left subclavian vein (post-consent exclusion)
* Subject has a known or suspected phrenic nerve paralysis
* Subject has co-existing temporary or implanted cardiac electrical devices such as a pacemaker or defibrillator
* Subject has an active systemic infection or local infection at or around the insertion site
* Subject is known or suspected to be pregnant or is lactating
* Subject will be unavailable for, or is unwilling to comply with, follow up requirements of the protocol
* Subject is currently enrolled in any other study of an investigational drug or device who has received treatment under that protocol with the investigational product during the 30 days prior to screening.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Lungpacer Medical Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Steve Reynolds, MD

Role: STUDY_DIRECTOR

Lungpacer Medical

Locations

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Italian Hospital

Asunción, Casa Zanotti, Paraguay

Site Status

Countries

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Paraguay

References

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Penuelas O, Frutos-Vivar F, Fernandez C, Anzueto A, Epstein SK, Apezteguia C, Gonzalez M, Nin N, Raymondos K, Tomicic V, Desmery P, Arabi Y, Pelosi P, Kuiper M, Jibaja M, Matamis D, Ferguson ND, Esteban A; Ventila Group. Characteristics and outcomes of ventilated patients according to time to liberation from mechanical ventilation. Am J Respir Crit Care Med. 2011 Aug 15;184(4):430-7. doi: 10.1164/rccm.201011-1887OC.

Reference Type BACKGROUND
PMID: 21616997 (View on PubMed)

Slutsky AS, Ranieri VM. Ventilator-induced lung injury. N Engl J Med. 2013 Nov 28;369(22):2126-36. doi: 10.1056/NEJMra1208707. No abstract available.

Reference Type BACKGROUND
PMID: 24283226 (View on PubMed)

Supinski GS, Callahan LA. Diaphragm weakness in mechanically ventilated critically ill patients. Crit Care. 2013 Jun 20;17(3):R120. doi: 10.1186/cc12792.

Reference Type BACKGROUND
PMID: 23786764 (View on PubMed)

Gayan-Ramirez G. Ventilator-induced diaphragm dysfunction: time for (contr)action! Eur Respir J. 2013 Jul;42(1):12-5. doi: 10.1183/09031936.00076513. No abstract available.

Reference Type BACKGROUND
PMID: 23813310 (View on PubMed)

Other Identifiers

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TPR-0046 and CLN-0005

Identifier Type: -

Identifier Source: org_study_id

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