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Ventilator-Induced Lung InjuryNCT03659552

Percutaneous Temporary Placement of a Transvenous Phrenic Nerve Stimulator for Diaphragm Pacing Using Jugular Access

A study testing LIVE Catheter in people with Ventilator-Induced Lung Injury, run by Lungpacer Medical Inc. at 1 site in Paraguay.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Study conducted to confirm phrenic nerve stimulation using the a transvenous Phrenic Nerve Stimulator in the left jugular vein. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Ventilator-Induced Lung Injury
What is being tested?
LIVE Catheter
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
13 participants
Where
1 siteParaguay
Study dates
7 May 2018to 30 Aug 2018
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • 18 years of age or older;
  • Able and willing to give informed consent or whose legally authorized representative is able and willing to give informed consent;
  • Able to undergo general anesthesia (sedation, intubation, and mechanical ventilation);
  • Acceptable indication for atrial septal defect closure.

Who cannot join

  • Subject has an ejection fraction of < 30%
  • Subject has a co-morbid illness or life expectancy < 2 years
  • Subject has experienced an acute myocardial infarction 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
Show all 16Show fewer
  • 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.

Trial locations and contacts

1 site in 1 country.

Paraguay1 site
  • Italian Hospital

    Asunción, Casa Zanotti

Other trials in Paraguay

About this study

Official title: Feasibility of Using a Percutaneous Temporary Placement of a Transvenous Phrenic Nerve Stimulator for Diaphragm Pacing Using Jugular Access

Study conducted to confirm phrenic nerve stimulation using the a transvenous Phrenic Nerve Stimulator in the left jugular vein.

Read the detailed description

The Lungpacer Jugular Access Feasibility System is a prototype for the Lungpacer Diaphragm Pacing Therapy System (DPTS) and consists of the LIVE Catheter, a stimulation system with a Multipole Panel Accessory, an airflow sensor and a Heart Rate Data Capture Device. The catheter is intended for inclusion in the commercial product. The stimulation system with a Multipole Panel Accessory and a Heart Rate Data Capture Device is an interim component created to enable initial safety and feasibility testing of the Lungpacer DPTS concept.

Being tested
LIVE Catheter
Medical subject headings
Ventilator-Induced Lung Injury

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • LIVE CatheterDevice

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

Study groups in NCT03659552
Study groupRoleWhat they receive
Temporary diaphragmatic pacingExperimentalThere 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 jugular vein.
Receives: Device: LIVE Catheter

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Successful insertion of the LIVE Catheter into the left jugular vein and stimulation of phrenic nerves

    To determine whether in an anesthetized (sedated, intubated, and mechanically ventilated) patient the LIVE Catheter can be inserted percutaneously in the left jugular vein and, via the electrical stimulator, to transvenously stimulate one or both phrenic nerves causing the diaphragm to contract

    Measured: through study completion, an average of 14 days

Secondary outcomes (1)
  1. Absence of device related or procedure related adverse events

    Assess subject for adverse events status up to 48 hours post procedure

    Measured: through study completion, an average of 14 days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted6 Sep 2018
  2. Study start7 May 2018
  3. Primary completion30 Jun 2018
  4. Study completion30 Aug 2018

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Device feasibility
Allocation
Not applicable
Intervention model
Single group
Model description
Single group assignment
Masking
None (open label)
Enrolment
13 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03659552
Sponsor's protocol ID
CLN-0012
Status last verified
Sep 2018
First submitted
3 May 2018
Last updated
6 Sep 2018
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No: Lungpacer may at any time publish the results of and information pertaining to the investigation subject only to compliance with regulatory requirements pertaining to patient protected health information

Publications

  • Michalek P, Kautznerova D. Combined use of ultrasonography and neurostimulation for therapeutic phrenic nerve block. Reg Anesth Pain Med. 2002 May-Jun;27(3):306-8. No abstract available.

    PubMed 12016605
  • Escher DJ, Furman S, Solomon N, Schwedel JB. Transvenous pacing of the phrenic nerves. Am Heart J. 1966 Aug;72(2):283-4. doi: 10.1016/0002-8703(66)90456-x. No abstract available.

    PubMed 5915563
  • Escher DJ, Ashley W, Ertag W, Parker B, Furman S, Robinson G. Clinical control of respiration by transvenous phrenic pacing. Trans Am Soc Artif Intern Organs. 1968;14:192-7. No abstract available.

    PubMed 4882945
  • Eisele JH, Noble MI, Katz J, Fung DL, Hickey RF. Bilateral phrenic-nerve block in man: technical problems and respiratory effects. Anesthesiology. 1972 Jul;37(1):64-9. doi: 10.1097/00000542-197207000-00012. No abstract available.

    PubMed 5050104
  • Aubier M, Murciano D, Lecocguic Y, Viires N, Jacquens Y, Squara P, Pariente R. Effect of hypophosphatemia on diaphragmatic contractility in patients with acute respiratory failure. N Engl J Med. 1985 Aug 15;313(7):420-4. doi: 10.1056/NEJM198508153130705.

    PubMed 3860734
  • Ishii K, Kurosawa H, Koyanagi H, Nakano K, Sakakibara N, Sato I, Noshiro M, Ohsawa M. Effects of bilateral transvenous diaphragm pacing on hemodynamic function in patients after cardiac operations. Experimental and clinical study. J Thorac Cardiovasc Surg. 1990 Jul;100(1):108-14.

    PubMed 2366549
  • Allen GM, McKenzie DK, Gandevia SC, Bass S. Reduced voluntary drive to breathe in asthmatic subjects. Respir Physiol. 1993 Jul;93(1):29-40. doi: 10.1016/0034-5687(93)90065-i.

    PubMed 8367614
  • Mulvey DA, Aquilina RJ, Elliott MW, Moxham J, Green M. Diaphragmatic dysfunction in neuralgic amyotrophy: an electrophysiologic evaluation of 16 patients presenting with dyspnea. Am Rev Respir Dis. 1993 Jan;147(1):66-71. doi: 10.1164/ajrccm/147.1.66.

    PubMed 8420434
  • McKenzie DK, Allen GM, Gandevia SC. Reduced voluntary drive to the human diaphragm at low lung volumes. Respir Physiol. 1996 Aug;105(1-2):69-76. doi: 10.1016/0034-5687(96)00021-7.

    PubMed 8897652
  • Oo T, Watt JW, Soni BM, Sett PK. Delayed diaphragm recovery in 12 patients after high cervical spinal cord injury. A retrospective review of the diaphragm status of 107 patients ventilated after acute spinal cord injury. Spinal Cord. 1999 Feb;37(2):117-22. doi: 10.1038/sj.sc.3100775.

    PubMed 10065750
  • Ahn B, Beaver T, Martin T, Hess P, Brumback BA, Ahmed S, Smith BK, Leeuwenburgh C, Martin AD, Ferreira LF. Phrenic nerve stimulation increases human diaphragm fiber force after cardiothoracic surgery. Am J Respir Crit Care Med. 2014 Oct 1;190(7):837-9. doi: 10.1164/rccm.201405-0993LE. No abstract available.

    PubMed 25271750
  • Germany R, Joseph S, James K, Kao A. A novel therapeutic approach for the treatment of central sleep apnea: The remede(R) system. Cardiovasc Revasc Med. 2014 Jun;15(4):235-9. doi: 10.1016/j.carrev.2014.03.007. Epub 2014 Mar 21.

    PubMed 24726495
  • Linhart M, Nielson A, Andrie RP, Mittmann-Braun EL, Stockigt F, Kreuz J, Nickenig G, Schrickel JW, Lickfett LM. Fluoroscopy of spontaneous breathing is more sensitive than phrenic nerve stimulation for detection of right phrenic nerve injury during cryoballoon ablation of atrial fibrillation. J Cardiovasc Electrophysiol. 2014 Aug;25(8):859-865. doi: 10.1111/jce.12431. Epub 2014 May 18.

    PubMed 24724724

Questions about this trial

What is this clinical trial studying?

A study testing LIVE Catheter in people with Ventilator-Induced Lung Injury, run by Lungpacer Medical Inc. at 1 site in Paraguay.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 16 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 6 Sep 2018. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Paraguay. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Successful insertion of the LIVE Catheter into the left jugular vein and stimulation of phrenic nerves (time frame: through study completion, an average of 14 days). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03659552, which also lists 13 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 6 Sep 2018.

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