[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100644858":3},{"organization":4,"armGroups":7,"interventions":8,"overallOfficials":13,"centralContacts":18,"locations":28,"responsibleParty":45,"collaborators":7,"id":47,"slug":7,"hasResults":48,"nctId":49,"briefTitle":50,"officialTitle":51,"acronym":52,"eligibilityCriteria":53,"healthyVolunteers":54,"sex":55,"minAge":56,"maxAge":7,"enrollmentInfo":57,"targetDuration":7,"studyType":60,"phases":7,"briefSummary":61,"conditions":62,"keywords":64,"overallStatus":67,"whyStopped":7,"lastUpdateSubmitDate":68,"lastUpdatePostDateStruct":69,"startDateStruct":72,"completionDateStruct":74,"leadSponsor":76,"locationsCount":77},{"fullName":5,"class":6},"University Hospital, Grenoble","OTHER",null,[9],{"type":10,"name":11,"description":12,"armGroupLabels":7,"otherNames":7},"DEVICE","ZoneX","The ZoneX device was developed by PAIRFS.\n\nIt is a system designed to measure changes in expired volume and fluctuations in the fractional concentration of carbon dioxide in exhaled air (FeCO₂) in healthy volunteers.\n\nThese data are transmitted in real time via Bluetooth Low Energy (BLE) to dedicated PC software for acquisition and analysis.\n\nThe device is CE-marked, demonstrating compliance with applicable European regulatory requirements (certificate of conformity provided in the appendix).",[14],{"name":15,"affiliation":16,"role":17},"stephane DOUTRELEAU, MD, PhD","University Grenoble Alps","PRINCIPAL_INVESTIGATOR",[19,24],{"name":20,"role":21,"phone":22,"phoneExt":7,"email":23},"Stephane L DOUTRELEAU, MD, PhD","CONTACT","+33672511656","sdoutreleau@chu-grenoble.fr",{"name":25,"role":21,"phone":26,"phoneExt":7,"email":27},"Marie COUDURIER, MD","+33476765494","mcoudurier3@chu-grenoble.fr",[29],{"facility":30,"status":7,"city":31,"state":7,"zip":32,"country":33,"countryCode":34,"cosmosGeoPoint":35,"geoPoint":40,"contacts":41},"CHUGA","Grenoble","38000","France","FR",{"type":36,"coordinates":37},"Point",[38,39],5.71479,45.17869,{"lat":39,"lon":38},[42,44],{"name":43,"role":21,"phone":22,"phoneExt":7,"email":23},"Stéphane L DOUTRELEAU, MD, PhD",{"name":25,"role":21,"phone":26,"phoneExt":7,"email":27},{"type":46,"investigatorFullName":7,"investigatorTitle":7,"investigatorAffiliation":7,"oldNameTitle":7,"oldOrganization":7},"SPONSOR","100644858",false,"NCT07677241","Validation of a New System for Measuring Ventilation and CO₂ Production","Comparison of a New Gas Exchange Measurement System During Exercise With a Reference System","PAIRFS","Inclusion Criteria:\n\n* Male or female adults (aged ≥ 18 years).\n* Individuals affiliated with, or benefiting from, a health insurance or social security scheme.\n* Individuals capable of understanding and signing an informed consent form.\n* Individuals fluent in French.\n\nExclusion Criteria:\n\n* Current tobacco smoking.\n* Any cardiovascular, respiratory, or musculoskeletal condition that could impair the ability to perform a maximal exercise test.\n* Individuals unwilling or unable to provide written informed consent.\n* Individuals with hierarchical, family, or close personal relationships with the principal investigator.",true,"ALL","18 Years",{"count":58,"type":59},20,"ESTIMATED","OBSERVATIONAL","Gas exchange measurement systems are complex and require specialized facilities and expertise. As a result, access to these measurements remains limited, particularly in the field of sports performance. The aim of this validation study was to compare measurements obtained with a reference device and a new portable system.",[63],"Healhty",[65,66],"exercise","ventilatory measurement","NOT_YET_RECRUITING","2026-06-29",{"date":70,"type":71},"2026-06-30","ACTUAL",{"date":73,"type":59},"2026-07-30",{"date":75,"type":59},"2026-10-30",{"name":5,"class":6},1]