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CompletedNCT06486129Updated Jul 3, 2024

Myocardial Effects of NIV in OHS Patients

An interventional study of Noninvasive ventilation volume targetted in Respiratory Failure Chronic, Obesity Hypoventilation Syndrome and Obstructive Sleep Apnea, sponsored by Pavol Jozef Safarik University. Completed at 1 site in Slovakia. Open to participants aged 35 Years to 80 Years. Per ClinicalTrials.gov, last updated 2024-07-03.

Sponsored by Pavol Jozef Safarik University · Not applicable, Interventional, and Treatment

From the registry’s dates

  • Registered 8 years 3 months after the study started (first participant enrolled Mar 2016, registered Jun 2024).
Phase
Not applicable
Study type
Interventional
Enrollment
13
Allocation
Not applicable
Ages
35 Years to 80 Years
Sex
All
01

Study summary

Chronic effects of noninvasive ventilation on myocardial function in patients with obesity hypoventilation syndrome (OHS) are scarcely understood. The aim of the present study was to evaluate the long-term effects of volume-targeted bilevel-positive airway pressure ventilation (BiPAP) on cardiac parameters and myocardial biomarkers in patients with OHS.

Read the detailed description

Chronic effects of non- invasive ventilation on myocardial function in patients with obesity hypoventilation syndrome (OHS) are scarcely understood. The aim of the present study was to evaluate the long-term effects of volume-targeted bilevel-positive airway pressure ventilation (BiPAP) on cardiac parameters and myocardial biomarkers in patients with OHS. Clinically stable patients with OHS referred to the tertiary centre for the initiation of long-term BiPAP therapy were consecutively enrolled in the study. At baseline, all participants underwent overnight cardiorespiratory polygraphy. BiPAP therapy using volume-targeted spontaneous/timed mode delivered via an oro-nasal mask was initiated. Beat-to-beat noninvasive monitoring by impedance cardiography was used to assess heart function at baseline and after 3 and 12 months of BiPAP use. Serum troponin 1, N-Terminal Pro-B-Type Natriuretic Peptide (NTProBNP), tumor necrosis factor-alpha (TNF-α), and interleukin-6 (IL-6) were monitored. Potential risks and benefits comprise haemodynamic effects of NIV on cardiovascular parameters including cardiac output and stroke volume. The study started 06/2016 and enrolment was finalized in October 2018. The study was funded by grants from the Slovak Research and Development Agency under contract No. APVV-16-0158, and VEGA 1/0220/17 and 1/0393/22 of the Ministry of Education, Slovakia. The main investigator is Pavol Pobeha, MD, PhD, co author is Ivana Paranicova, MD, PhD and the corresponding author (study coordinator prof. Ruzena Tkacova, MD, PhD)

02

Conditions studied

  • Respiratory Failure Chronic
  • Obesity Hypoventilation Syndrome
  • Obstructive Sleep Apnea
  • Cardiac Output, Low

Keywords

  • Respiratory Failure
  • Obesity Hypoventilation Syndrome
  • Obstructive Sleep Apnea
  • Cardiac Output
  • stroke volume
03

In context

Obesity Hypoventilation Syndrome

73 studies on the registry are indexed under Obesity Hypoventilation Syndrome; 10 are open to participants now.

This study's enrollment of 13 is below the median of 40 across 42 interventional studies indexed under Obesity Hypoventilation Syndrome.

Browse Obesity Hypoventilation Syndrome studies →

Lead sponsor

Pavol Jozef Safarik University is the lead sponsor of 14 studies on the registry; 2 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
35 Years to 80 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Clinically stable patients with OHS and chronic severe hypercapnia

Exclusion criteria

Exclusion Criteria:

  • inability to provide written
  • neuromuscular diseases
  • chest wall diseases
  • metabolic diseases
  • acute respiratory tract infection
  • (COPD)
  • systolic LV failure as evidenced by LV \<45% on echocardiography
Terms in these criteria, in plain language(3)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

COPD

Chronic obstructive pulmonary disease: long-term lung disease that makes it hard to breathe out, including emphysema and chronic bronchitis.

LVEF (left ventricular ejection fraction)

The share of blood the heart’s main pumping chamber (the left ventricle) pushes out with each beat, measured by an echocardiogram (heart ultrasound) or a MUGA scan. About 50–70% is normal.

05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
13 participants (actual)

Study arms

  • Experimental
    Obesity hypoventilation syndrome patients treated with BPAP (NIV) therapy

    Clinically stable patients with OHS and severe hypercapnia during the daytime, referred to the tertiary clinic for the initiation of long-term NIV to alleviate chronic respiratory failure were consecutively enrolled to the study

    Procedure: Noninvasive ventilation volume targetted

Interventions

  • ProcedureNoninvasive ventilation volume targetted

    he aim of the present study was to evaluate the long-term effects of volume-targeted bilevel-positive airway pressure ventilation (BiPAP) on cardiac parameters and myocardial biomarkers in patients with OHS

06

What researchers measure

Primary outcomes

  1. Impedance cardiography measured cardiac output

    Impedance cardiography measured cardiac output before and after effective treatment of respiratory failure

    Time frame: 12 months

Secondary outcomes

  1. Impedance cardiography measured stroke volume

    Impedance cardiography measured stroke volume before and after effective treatment of

    Time frame: 12 months

07

Study locations

1 site
  • Department of respiratory medicine and tuberculosis, Pavol Jozef Safarik University, Medical Faculty and L. Pasteur University Hospital In Kosice
    Košice 4, 04190, Slovakia
08

References and documents

Publications

  • Pobeha P, Paranicova I, Trojova I, Tkacova R, Joppa P. Acute hemodynamic effects of non-invasive ventilation in patients with obesity hypoventilation syndrome. Bratisl Lek Listy. 2021;122(4):248-250. doi: 10.4149/BLL_2021_040. PubMed 33729816 ↗

Individual participant data

Plan to share: Undecided — On request

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from Mar 2016 to primary completion in Nov 2019, 44 months.

Of 17 interventional studies with no phase under Obesity Hypoventilation Syndrome, half reached primary completion within 31 months of starting (the median), counting those still running; a quarter within 20 and three quarters within 44. This study's 44 months is above that.

How these figures are worked out, and which studies are left out of them.

Registered
Jun 20, 2024
First posted
Jul 3, 2024
StartActual
Mar 1, 2016
Primary completionActual
Nov 15, 2019
CompletionActual
Jan 15, 2020
Last update
Jul 3, 2024
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Jul 3, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT06486129
Lead sponsor
Pavol Jozef Safarik University
Responsible party
Pavol Pobeha (Pavol Pobeha, MD, PhD (Principal investigator), Pavol Jozef Safarik University) — Principal investigator
First posted
Jul 3, 2024
Start date
Mar 1, 2016
Primary completion
Nov 15, 2019
Completion
Jan 15, 2020
Last update
Jul 3, 2024

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jun 2024. You cannot join it, but the record below documents what was studied.

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