Validation of the Turkish Version of the S3-NIV Questionnaire

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Conditions studied: Respiratory Insufficiency, Chronic Respiratory Failure

In brief

This study aims to evaluate the psychometric properties, including reliability and validity, of the Turkish version of the Severe Respiratory Insufficiency Questionnaire for Non-Invasive Ventilation (S3-NIV). The S3-NIV is a specific tool designed to assess difficulties and compliance in patients receiving home non-invasive ventilation. A total of 120 stable patients using home NIV for at least 3 months will be enrolled across multiple centers.

Key facts

Study ID

NCT07610122

Run by

Istanbul Saglik Bilimleri University

People needed

120

Starts

2026-05-21

Expected to finish

2026-12-30

Last updated by the study team

2026-05-28

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Diagnosed with chronic respiratory failure requiring home non-invasive ventilation (NIV).
• Using a home NIV device for at least 3 months.
• Being in a clinically stable phase (no exacerbation or hospitalization in the last 1 month).
• Able to understand and answer the questionnaire.
• Provided written informed consent.

You may not qualify if…

• Acute respiratory failure or clinical instability.
• Severe cognitive impairment or psychiatric disorders preventing reliable communication.
• Active malignancy or terminal illness with a short life expectancy.
• Refusal to provide informed consent.

Where it is running

• Sureyyapasa Chest Diseases and Thoracic Surgery Training and Research Hospital — Istanbul, Turkey (Türkiye)

Full record on ClinicalTrials.gov

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