[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100591143":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":10,"centralContacts":24,"locations":30,"responsibleParty":49,"collaborators":10,"id":52,"slug":53,"hasResults":54,"nctId":55,"briefTitle":56,"officialTitle":57,"acronym":10,"eligibilityCriteria":58,"healthyVolunteers":54,"sex":59,"minAge":60,"maxAge":61,"enrollmentInfo":62,"targetDuration":10,"studyType":65,"phases":10,"briefSummary":66,"conditions":67,"keywords":10,"overallStatus":75,"whyStopped":10,"lastUpdateSubmitDate":76,"lastUpdatePostDateStruct":77,"startDateStruct":80,"completionDateStruct":82,"leadSponsor":84,"locationsCount":85},{"fullName":5,"class":6},"University of Extremadura","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Hormonal Therapy Only",null,"Participants who received only hormonal therapy following breast cancer treatment.",[13],"Diagnostic Test: Functional Exercise Testing and Muscle Oxygen Saturation Measurement",{"label":15,"type":10,"description":16,"interventionNames":17},"Hormonal Therapy + Chemotherapy","Participants who received both hormonal therapy and chemotherapy.",[13],[19],{"type":20,"name":21,"description":22,"armGroupLabels":23,"otherNames":10},"DIAGNOSTIC_TEST","Functional Exercise Testing and Muscle Oxygen Saturation Measurement","Participants will complete three physical performance tests: (1) the 6-Minute Walk Test (6MWT), (2) the 30-Second Sit-to-Stand Test, and (3) a submaximal treadmill test. Muscle oxygen saturation (SmO2) will be continuously monitored during the tests using near-infrared spectroscopy (NIRS) devices placed on the intercostal, quadriceps, and triceps surae muscles. Additional variables such as heart rate, perceived exertion, respiratory pressures, pulmonary function, and fatigue will be assessed during or after the tests.",[15,9],[25],{"name":26,"role":27,"phone":28,"phoneExt":10,"email":29},"Mª Dolores MD Apolo-Arenas, PhD","CONTACT","924489180","mdapolo@unex.es",[31],{"facility":32,"status":10,"city":33,"state":10,"zip":10,"country":34,"countryCode":35,"cosmosGeoPoint":36,"geoPoint":41,"contacts":42},"Facultad de Mecina y Ciencias de la Salud","Badajoz","Spain","ES",{"type":37,"coordinates":38},"Point",[39,40],-6.97061,38.87789,{"lat":40,"lon":39},[43,44,47],{"name":26,"role":27,"phone":28,"phoneExt":10,"email":29},{"name":45,"role":46,"phone":10,"phoneExt":10,"email":10},"Berta Caro Puértolas, PhD","PRINCIPAL_INVESTIGATOR",{"name":48,"role":46,"phone":10,"phoneExt":10,"email":10},"Mª Dolores Apolo Arenas, PhD",{"type":46,"investigatorFullName":50,"investigatorTitle":51,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Alejandro Caña Pino","Investigator","100591143","muscle-oxygen-saturation-and-functional-capacity-in-breast-cancer-survivors-100591143",false,"NCT06976593","Muscle Oxygen Saturation and Functional Capacity in Breast Cancer Survivors","Analysis of Muscle Oxygen Saturation and Functional Variables During Physical Performance Tests in Breast Cancer Survivors","Inclusion Criteria:\n\n* Women aged 30 to 70 years\n* Clinical history of breast cancer treatment (at least 6 months prior)\n* Completed primary cancer treatment\n* Ability to perform physical tests\n* Signed informed consent\n\nExclusion Criteria:\n\n* Recurrence or metastasis\n* Severe cardiopulmonary or musculoskeletal disease\n* Neurological or cognitive limitations\n* Ongoing oncological treatment","FEMALE","30 Years","70 Years",{"count":63,"type":64},30,"ESTIMATED","OBSERVATIONAL","This cross-sectional observational study aims to assess muscle oxygen saturation (SmO2) in the intercostal, quadriceps, and triceps surae muscles using near-infrared spectroscopy (NIRS) during functional exercise tests in breast cancer survivors. Participants will be grouped based on their previous cancer treatment: hormonal therapy only or hormonal therapy combined with chemotherapy. Functional performance will be evaluated through the 6-Minute Walk Test, 30-Second Sit-to-Stand Test, and a submaximal treadmill test. The study will analyze differences in muscle oxygenation and performance between groups and explore associations with other functional and clinical parameters.",[68,69,70,71,72,73,74],"Breast Cancer Survivorship","Muscle Oxygenation","Near-infrared Spectroscopy","Exercise","Quality of Life","Functional Capacity","Hormonal Therapy","NOT_YET_RECRUITING","2025-05-13",{"date":78,"type":79},"2025-05-16","ACTUAL",{"date":81,"type":64},"2025-05-05",{"date":83,"type":64},"2025-05-31",{"name":5,"class":6},1]