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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05796297
Other study ID # RC23_0099
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date June 1, 2023
Est. completion date December 31, 2024

Study information

Verified date May 2024
Source Nantes University Hospital
Contact Sandrine JAFFRE, PH
Phone 33 2 40 16 52 51
Email sandrine.jaffre@chu-nantes.fr
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The investigator wish to carry out this study to explore the link between patient-ventilator asynchrony with the efficiency and tolerance of NIV but also the quality of life in patients with chronic respiratory failure on long-term ventilation.


Description:

Chronic respiratory failure (CRF) is an advanced stage of many respiratory diseases marked by an inability of the respiratory system to ensure vital gas exchange. It affects approximately 3.6 million people in France. Non-invasive ventilation (NIV) remains the reference treatment in hypercapnic respiratory failure because it reduces inspiratory muscles's work and promotes alveolar ventilation. The establishment of the NIV is carried out most of the time following an episode of acute decompensation revealing an underlying CRF. It is carried out and supervised in hospital departments to optimize the understanding and adherence of the patient to his illness and his treatment. Thus, monitoring is a key to measure the tolerance and effectiveness of ventilation. Classically, it is based on multi-year medical consultations, blood gases and nocturnal oximetry. In recent years, the reading of detailed data from software integrated into NIV machines has been increasingly used in current practice in association with the monitoring tools already recommended. It provides additional detailed information on compliance, leaks, apnea-hypopnea index (AHI), obstructive events and asynchrony between the patient and their ventilator. Many patient-ventilator asynchronies have been described in studies with a negative impact on the quality of ventilation, the quality of sleep under NIV and an increased risk of mortality. However, not all asynchronies have the same consequences and are not all felt by the patient


Recruitment information / eligibility

Status Recruiting
Enrollment 50
Est. completion date December 31, 2024
Est. primary completion date December 1, 2024
Accepts healthy volunteers
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria : - Women and Men aged of at least 18 years old. - NIV equipment since 6 months ( at least) - Chronic respiratory failure requiring NIV equipment defined by clinical symptoms (asthenia, excessive daytime sleepiness, headache, dyspnea) and: In case of obstructive diseases : Daytime hypercapnia (PaCO2 > 55 mmHg) or Daytime hypercapnia between 50-54 mmHg associated with nocturnal desaturations (at least 5 min below 88% saturation) or episodes of frequent hypercapnic exacerbations (at least 2 over the last 12 months) In case of restrictive diseases : Daytime hypercapnia (PaCO2>6 kPa (kilopascal) or 45 mm Hg) or Nocturnal desaturation (SaO2 < 88%) for at least 5 minutes without obstructive sleep apnea syndrome (OSAS) found or Marker of progression of neuromuscular damage (Maximum inspiratory pressure < 60 cm H2O and forced vital capacity (FVC) less than 50% of theory) - NIV's start from at least 6 months. - Patient who did not object to being included in the study. - Patient in stable condition without exacerbation (for at least 3 months) Exclusion Criteria : - Minor patient - Pregnant or breastfeeding women - Adult patient subject to enhanced protection, deprived of liberty by judicial or administrative decision. - Patient who is physically or psychologically unable to follow the protocol in an informed manner. - Patient with chronic respiratory failure requiring mechanical ventilation by tracheotomy - Patient having changed center or service provider (data not available). - Patient who objected to being included in the study

Study Design


Intervention

Device:
Transcutaneous Capnography
Transcutaneous Capnography will be realized at patient home to monitoring nocturnal concentration of carbon dioxide during nocturnal sleeping ventilation

Locations

Country Name City State
France Nantes University Hospital Nantes Loire-Atlantique

Sponsors (1)

Lead Sponsor Collaborator
Nantes University Hospital

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Primary Ventilation's efficiency/tolerance Presence of a significant rate of patient-ventilator asynchrony when reading the ventilation curves of the NIV machine data. Up to 14 days
Secondary Estimation of quality of life with non-invasive ventilation Estimation of perceived quality of life through the S3-Non Invasive Ventilation questionnaire (scale from 0 to 4 ; 0 being the worst outcome) Up to 14 days
Secondary Estimation of quality of sleep with non-invasive ventilation Estimation of perceived quality of sleep through the Epworth sleepiness scale (scale from 0 to 3 ; 3 being the worst outcome) Up to 14 days
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