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AzTrials

Endotracheal TubeSMASHNCT03940118

Safety of Mechanical Insufflation-exsufflation and Hypertonic Saline

A study testing Catheter secretion suctioning, Secretion suctioning + hypertonic saline and Ins-exsufflation in people with Endotracheal Tube and Tracheostomy, run by Hospital San Carlos, Madrid at 1 site in Spain.

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

Conventional catheter suctioning of respiratory tract secretions is a mandatory procedure in intubated patients. Poor tolerance, pain and other, sometimes severe, lung and cardiovascular complications may occur during suctioning. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Endotracheal Tube, Tracheostomy
What is being tested?
Catheter secretion suctioning, Secretion suctioning + hypertonic saline and Ins-exsufflation
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
120 participants
Where
1 siteSpain
Study dates
1 Jun 2018to 30 Apr 2019
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

  • Artificial airway ( endotracheal tube or tracheostomy cannula) with pressure cuff.
  • Need for aspiration of secretions
  • Informed consent

Who cannot join

  • Macroscopic hemoptysis.
  • Acute bronchospasm
  • Uncrontrolled muscular contractions, like tremor, myoclonus or other.
  • Confirmed pregnancy

Trial locations and contacts

1 site in 1 country.

Spain1 site
  • Hospital Clinico San Carlos

    Madrid, 28040

Other trials in Spain

About this study

Official title: A Randomized Study on the Safety and Tolerability of Mechanical Insufflation-exsufflation and Hypertonic Saline With Hyaluronic Acid for Suctioning of Respiratory Tract Secretions in Patients With Artificial Airway

Conventional catheter suctioning of respiratory tract secretions is a mandatory procedure in intubated patients. Poor tolerance, pain and other, sometimes severe, lung and cardiovascular complications may occur during suctioning.

Mechanical insufflation-exsufflation (MIE), coupled with hypertonic saline (HS), may improve efficacy airway clearance and reduce risk of the maneuver. However, safety of MIE and HS in intubated patients have not been studied appropriately, which justifies a randomized evaluation compared to conventional secretion suctioning.

Read the detailed description

Secretion suctioning (SS) in patients with artificial airway is a mandatory procedure, although occasionally painful, not tolerated and even causing traumatic injury to the respiratory mucosa.

Mechanical insufflation-exsufflation (MIE) and nebulized hypertonic saline with hyaluronic acid (HS-HA) have shown efficacy and safety in patients with chronic neuromuscular and pulmonary diseases, achieving aspiration and fluidification of respiratory secretions, respectively, as well as good tolerance.

Only anecdotal experience about the safety of MIE and HS-HA in critically ill patients with artificial airway and mechanical ventilation is available.

Background: Both MIE and HS-HA facilitate the drainage of secretions from the distal airway (compared to conventional catheter suctioning, the effect of which is supposed to be limited to the trachea) Both measures may prove to be efficacious in the prevention (through airway clearance of secretions) and concomitant treatment (reduction of inoculum or "draining the lung") of lower respiratory tract infections (tracheobronchitis and pneumonia).

Being tested
Catheter secretion suctioning, Secretion suctioning + hypertonic saline, Ins-exsufflation, Ins-exsufflation + Hypertonic saline
Keywords
respiratory secretion suctioning, mechanical insufflation exsufflation, hypertonic saline, hyaluronic acid, critically ill, artificial airway
Medical subject headings
Critical Illness

What participants receive

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

  • Catheter secretion suctioningDevice

    Catheter secretion suctioning with prior nebulization of hypertonic saline

  • Secretion suctioning + hypertonic salineCombination product

    Catheter secretion suctioning with prior nebulization of hypertonic saline

  • Ins-exsufflationDevice

    Application of a mechanical insufflation-exsufflation device for respiratory tract secretion suctioning

  • Ins-exsufflation + Hypertonic salineCombination product

    Application of a mechanical insufflation-exsufflation device for respiratory tract secretion suctioning

Study groups in NCT03940118
Study groupRoleWhat they receive
Catheter secretion suctioningActive comparatorSecretions are aspirated with a catheter at -120 to -150 mBar
Receives: Device: Catheter secretion suctioning
Secretion suctioning + hypertonic salineExperimentalHypertonic saline is nebulized prior to aspiration of secretions.
Receives: Combination Product: Secretion suctioning + hypertonic saline
Ins-exsufflationExperimentalMechanical insufflation-exsufflation with device programmed at 50/-50 mmHg
Receives: Device: Ins-exsufflation
Ins-exsufflation + Hypertonic SalineExperimentalMechanical insufflation-exsufflation and hypertonic saline
Receives: Combination Product: Ins-exsufflation + Hypertonic saline

What is being measured

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

  1. Aggregate cardiovascular and respiratory adverse events of mechanical insufflation-exsufflation and hypertonic saline.

    Comparative incidence of aggregate hemodynamic and respiratory adverse events.

    Adverse events criteria are predefined and will be expressed as:

    • Percentage of patients meeting aggregate predefined hemodynamic or respiratory adverse event criteria per study group.
    • Percentage of specific predefined adverse events (outcome variable "yes" or "no"): Desaturation (pulse-oximetry, >5%), hemoptisis (yes or no), bronchospasm (needing bronchodilator therapy), pneumothorax (as assessed by chest X-ray), hypotension (>30% or >10% increase in noradrenaline infusion from baseline), hypertension (>30% or >10% decrease in noradrenaline infusion from baseline), tachycardia (>90 bpm or >30% increase), bradycardia (<40 bpm), arrythmias (supra ventricular, requiring therapy), atelectasis (as assessed by chest X-ray), and other complications occuring during or within 1 hour after the procedure.

    Measured: 1 hour

  2. Pain score during mechanical insufflation-exsufflation and hypertonic saline as assessed by quantitative a pain scoring systems.

    Comparative pain scores of the study procedures in the 4 study groups will be assessed using the "ESCID" pain score (EScala de Conductas Indicadoras de Dolor, ranging from 0, no pain, to >6, intense pain, see citations) at baseline, during the procedure and at 5 and 60 minutes after the aspiration of respiratory secretions.

    Both comparison of the score at the 4 study time-points and their variations between time-points will be analysed.

    Measured: 1 hour

  3. Sedation/agitation score during mechanical insufflation-exsufflation and hypertonic saline as assessed by a quantitative sedation/agitation system.

    Comparative sedation/agitation score of the study procedures in the 4 study groups will be assessed using the RASS (Richmond Agitation-Sedation Scale, see citations), range -5, un-arousable, to +5, combative) at baseline, during the procedure and at 5 and 60 minutes after the aspiration of respiratory secretions.

    Measured: 1 hour

  4. Sedation/responsiveness score during mechanical insufflation-exsufflation and hypertonic saline as assessed by quantitative a sedation scoring system.

    Comparative sedation/responsiveness score of the study procedures in the 4 study groups will be assessed using the responsiveness "Ramsay" Sedation Scale, range from 1, anxious and agitated, to 6, no response to stimulus, see citations) at baseline, during the procedure and at 5 and 60 minutes after the aspiration of respiratory secretions.

    Measured: 1 hour

Timeline

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

  1. First posted7 May 2019
  2. Study start1 Jun 2018
  3. Primary completion30 Apr 2019
  4. Study completion30 Apr 2019

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
Other
Allocation
Randomised
Intervention model
Factorial
Model description
Randomized, four groups of different respiratory tract secretion suctioning methods: 1) catheter (conventional), 2) catheter after hypertonic saline, 3) mechanical insufflation-exsufflation, and 4) mechanical insufflation-exsufflation with hypertonic saline
Masking
Single blind
Who is masked
Investigator
Enrolment
120 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03940118
Sponsor's protocol ID
18/253-R_X
Acronym
SMASH
Status last verified
May 2019
First submitted
30 Dec 2018
Last updated
8 May 2019
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Latorre-Marco I, Acevedo-Nuevo M, Solis-Munoz M, Hernandez-Sanchez L, Lopez-Lopez C, Sanchez-Sanchez MM, Wojtysiak-Wojcicka M, de Las Pozas-Abril J, Robleda-Font G, Frade-Mera MJ, De Blas-Garcia R, Gorgolas-Ortiz C, De la Figuera-Bayon J, Cavia-Garcia C. Psychometric validation of the behavioral indicators of pain scale for the assessment of pain in mechanically ventilated and unable to self-report critical care patients. Med Intensiva. 2016 Nov;40(8):463-473. doi: 10.1016/j.medin.2016.06.004. Epub 2016 Aug 31. English, Spanish.

    PubMed 27590592
  • Sessler CN, Gosnell MS, Grap MJ, Brophy GM, O'Neal PV, Keane KA, Tesoro EP, Elswick RK. The Richmond Agitation-Sedation Scale: validity and reliability in adult intensive care unit patients. Am J Respir Crit Care Med. 2002 Nov 15;166(10):1338-44. doi: 10.1164/rccm.2107138.

    PubMed 12421743
  • Ramsay MA, Savege TM, Simpson BR, Goodwin R. Controlled sedation with alphaxalone-alphadolone. Br Med J. 1974 Jun 22;2(5920):656-9. doi: 10.1136/bmj.2.5920.656.

    PubMed 4835444

Questions about this trial

What is this clinical trial studying?

A study testing Catheter secretion suctioning, Secretion suctioning + hypertonic saline and Ins-exsufflation in people with Endotracheal Tube and Tracheostomy, run by Hospital San Carlos, Madrid at 1 site in Spain.

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 3 inclusion and 4 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 8 May 2019. 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 Spain. 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?

Aggregate cardiovascular and respiratory adverse events of mechanical insufflation-exsufflation and hypertonic saline. (time frame: 1 hour). The study lists 4 primary outcomes in all. 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 NCT03940118, which also lists 3 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 8 May 2019.

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