[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"sleep-apnea-obstructives\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:sleep-apnea-obstructives":28},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":15,"eligibilityCriteria":16,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":19,"enrollmentInfo":20,"targetDuration":4,"studyType":23,"phases":24,"briefSummary":26,"conditions":27,"keywords":30,"overallStatus":37,"whyStopped":4,"lastUpdateSubmitDate":38,"lastUpdatePostDateStruct":39,"startDateStruct":42,"completionDateStruct":44,"leadSponsor":46,"locationsCount":49},"100639804","randomized-clinical-trial-for-tonsil-surgery-in-adults-with-obstructive-sleep-apnea-and-enlarged-tonsils-100639804",false,"NCT07580170","Randomized Clinical Trial for Tonsil Surgery in Adults With Obstructive Sleep Apnea and Enlarged Tonsils","Multicenter, National, Randomized, Patient-Blinded, Parallel Group, Non-Inferiority Trial To Compare Tonsillotomy Versus Extracapsular Tonsillectomy in Adults With Obstructive Sleep Apnea and Tonsil Hypertrophy: The TONOS Trial.","TONOS","Inclusion Criteria:\n\n* BMI \\\u003C 35\n* Tonsil size 2 - 4\n* Otherwise healthy patient fit for tonsil surgery\n* Apnea-hypopnea index \\> 15\n* Obstructive sleep apnea symptoms\n\nExclusion Criteria:\n\n* Pathological hemostasis or use of anticoagulation\n* Craniofacial deformities\n* Neurological condition with muscular hypotonia\n* Other surgical treatment for OSA","ALL","18 Years","65 Years",{"count":21,"type":22},132,"ESTIMATED","INTERVENTIONAL",[25],"NA","The aim is to investigate whether the tissue-preserving tonsil surgery technique is as effective as complete tonsil removal in the treatment of obstructive sleep apnea. The primary outcome measure is the change in the apnea-hypopnea index (AHI) before surgery and at 4-6, 24, and 60 months after surgery.",[28,29],"Sleep Apnea, Obstructives","Tonsil Hypertrophy",[31,32,33,34,35,36],"sleep apnea","tonsillectomy","tonsillotomy","intracapsular tonsillectomy","adults","tonsil hypertrophy","NOT_YET_RECRUITING","2026-05-31",{"date":40,"type":41},"2026-06-03","ACTUAL",{"date":43,"type":22},"2026-10-01",{"date":45,"type":22},"2036-01-01",{"name":47,"class":48},"Turku University Hospital","OTHER_GOV",4]