Effects of SIMEOX on Airway Clearance in Cystic Fibrosis

Effects of the Addition of the SIMEOX Device on Autogenic Drainage in Patients With Cystic Fibrosis

This study will investigate the contribution of SIMEOX technology on the effectiveness of bronchial drainage.

This is a crossover study to evaluate the contribution of SIMEOX on the effectiveness of bronchial drainage (verified by the amount of sputum secretions, the rheology of sputum secretions and the subjective sensation of ease of sputum) in patients with cystic fibrosis.

Patients will perform, in randomized order (1) a 30-min session of autogenic drainage, (2) a 30-min session of autogenic drainage with the SIMEOX device. Sputum will be collected during and after the session. The two sessions will be performed with minimum washout time of 24 hours.

Study Overview

• Status: Completed
• Conditions: Cystic Fibrosis
• Intervention / Treatment: Other: Autogenic drainage; Device: SIMEOX + Autogenic drainage

• Study Type: Interventional
• Enrollment (Actual): 20
• Phase: Not Applicable

Contacts and Locations

Study Locations

• Belgium
  • Brussels Capital
    • Brussels, Brussels Capital, Belgium, 1200
      • Cliniques Universitaires Saint-luc

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 18 years to 90 years (Adult, Older Adult)
• Accepts Healthy Volunteers: No

Description

Inclusion Criteria:

• Adults with cystic fibrosis
• Chronic bronchorrhea, able to expectorate by themselves
• Hospitalized

Exclusion Criteria:

• Regular use of SIMEOX,
• Difficulties in understanding instructions,
• Severe cardiac comorbidity.

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Treatment
• Allocation: Randomized
• Interventional Model: Crossover Assignment
• Masking: None (Open Label)

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Active Comparator: Autogenic drainage; Patients will have to perform a 30-min session of autogenic drainage. Sputum will be collected during the session.	Other: Autogenic drainage; Autogenic drainage is an airway clearance technique characterised by breathing control using expiratory airflow to mobilise secretions from smaller to larger airways. The secretions will be collected during the physiotherapy session and during the 24 hours following the session.
Active Comparator: SIMEOX + Autogenic drainage; Patients will have to perform a 30-min session of autogenic drainage with the SIMEOX device. Sputum will be collected during the session.	Device: SIMEOX + Autogenic drainage; SIMEOX is a device generating a succession of gentle depression at the mouth during the expiratory phase associated with autogenic drainage.

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Amount of sputum secretion	Total wet weight and dry weight of sputum collected in the 24-h following each intervention will be quantified.	30-min
Mucus viscoelasticity	Change in rheological properties of the sputum before and after each intervention will be analyzed using a rheometer. We will use the Rheomuco (Rheonova) reometer to obtain the differences in elasticity (G'), viscosity (G')' and elastic modulus ratio (tanδ) of the secretions collected before and after each intervention.	30-min
Subjective feeling of ease to expectorate	A Visual Analogue Scale (VAS) will be used to measure subjective feeling of ease of expectoration during each intervention. The visual analogue scale (VAS) is a semi-objective rating system that will be used to quantify the subjective feeling of ease to expectorate. The VAS is represented by a horizontal line marked 0 to 10, where "0" indicates "very easy to expectorate" and "10" indicates "not easy to expectorate at all". The lower the score, the easier it is to expectorate.	3-min

Collaborators and Investigators

• Sponsor: Cliniques universitaires Saint-Luc- Université Catholique de Louvain

Study record dates

Study Major Dates

• Study Start (Actual): November 27, 2019
• Primary Completion (Actual): November 30, 2021
• Study Completion (Actual): November 30, 2021

Study Registration Dates

• First Submitted: November 27, 2019
• First Submitted That Met QC Criteria: December 3, 2019
• First Posted (Actual): December 5, 2019

Study Record Updates

• Last Update Posted (Actual): May 8, 2024
• Last Update Submitted That Met QC Criteria: May 6, 2024
• Last Verified: May 1, 2024

More Information

Terms related to this study

• Additional Relevant MeSH Terms: Digestive System Diseases; Pathologic Processes; Respiratory Tract Diseases; Lung Diseases; Infant, Newborn, Diseases; Genetic Diseases, Inborn; Pancreatic Diseases; Fibrosis; Cystic Fibrosis
• Other Study ID Numbers: SIMEOX-003

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: NO

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No