[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100637998":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":19,"centralContacts":24,"locations":30,"responsibleParty":45,"collaborators":10,"id":48,"slug":49,"hasResults":50,"nctId":51,"briefTitle":52,"officialTitle":53,"acronym":10,"eligibilityCriteria":54,"healthyVolunteers":50,"sex":55,"minAge":56,"maxAge":10,"enrollmentInfo":57,"targetDuration":10,"studyType":60,"phases":10,"briefSummary":61,"conditions":62,"keywords":65,"overallStatus":71,"whyStopped":10,"lastUpdateSubmitDate":72,"lastUpdatePostDateStruct":73,"startDateStruct":76,"completionDateStruct":78,"leadSponsor":80,"locationsCount":81},{"fullName":5,"class":6},"Istanbul Saglik Bilimleri University","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Home NIV Patients",null,"Patients with chronic respiratory failure who have been using home non-invasive ventilation (NIV) for at least 3 months and are in a clinically stable phase.",[13],"Other: Turkish Version of the S3-NIV Questionnaire",[15],{"type":6,"name":16,"description":17,"armGroupLabels":18,"otherNames":10},"Turkish Version of the S3-NIV Questionnaire","An 11-item self-administered questionnaire designed to evaluate the difficulties and compliance of patients using home non-invasive ventilation (NIV).",[9],[20],{"name":21,"affiliation":22,"role":23},"Ipek Ozmen, Prof.","Sureyyapasa Chest Diseases and Thoracic Surgery Training and Research Hospital","PRINCIPAL_INVESTIGATOR",[25],{"name":26,"role":27,"phone":28,"phoneExt":10,"email":29},"Dilek Unsal, PT PhD(c)","CONTACT","+90 530 4641198","fztdlkunsal@gmail.com",[31],{"facility":22,"status":10,"city":32,"state":10,"zip":33,"country":34,"countryCode":10,"cosmosGeoPoint":35,"geoPoint":40,"contacts":41},"Istanbul","34854","Turkey (Türkiye)",{"type":36,"coordinates":37},"Point",[38,39],28.94966,41.01384,{"lat":39,"lon":38},[42],{"name":43,"role":27,"phone":44,"phoneExt":10,"email":29},"Dilek Ünsal, PT PhD(c)","+905304641198",{"type":23,"investigatorFullName":46,"investigatorTitle":47,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Dilek Unsal","Physiotherapist, PhD (c)","100637998","validation-of-the-turkish-version-of-the-s3-niv-questionnaire-100637998",false,"NCT07610122","Validation of the Turkish Version of the S3-NIV Questionnaire","Reliability and Validity of the Turkish Version of the Severe Respiratory Insufficiency Questionnaire for Non-Invasive Ventilation (S3-NIV)","Inclusion Criteria:\n\n* Diagnosed with chronic respiratory failure requiring home non-invasive ventilation (NIV).\n* Using a home NIV device for at least 3 months.\n* Being in a clinically stable phase (no exacerbation or hospitalization in the last 1 month).\n* Able to understand and answer the questionnaire.\n* Provided written informed consent.\n\nExclusion Criteria:\n\n* Acute respiratory failure or clinical instability.\n* Severe cognitive impairment or psychiatric disorders preventing reliable communication.\n* Active malignancy or terminal illness with a short life expectancy.\n* Refusal to provide informed consent.","ALL","18 Years",{"count":58,"type":59},120,"ESTIMATED","OBSERVATIONAL","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.",[63,64],"Respiratory Insufficiency","Chronic Respiratory Failure",[66,67,68,69,70],"Non-Invasive Ventilation","Validation","Questionnaire","Reliability","S3-NIV","NOT_YET_RECRUITING","2026-05-27",{"date":74,"type":75},"2026-05-28","ACTUAL",{"date":77,"type":59},"2026-05-21",{"date":79,"type":59},"2026-12-30",{"name":5,"class":6},1]