[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"leadSponsorName\":\"Lise Aksglæde\",\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:":45},{"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":29,"overallStatus":33,"whyStopped":4,"lastUpdateSubmitDate":34,"lastUpdatePostDateStruct":35,"startDateStruct":38,"completionDateStruct":40,"leadSponsor":42,"locationsCount":5},"100538757","phase-4-klinefelter-syndrome-and-testosterone-treatment-in-puberty-100538757",false,"NCT06294990","Klinefelter Syndrome and Testosterone Treatment in Puberty","Klinefelter Syndrome - the Effect of Testosterone Treatment in Puberty. a Randomized, Double-blind Placebo-controlled Intervention Study: 'The TiPY Study'","TiPY","Inclusion Criteria:\n\n* 47,XXY Klinefelter syndrome\n* Age 10-14 years at inclusion\n* Luteinizing Hormone \\> +2 standard deviations (SD) by ultrasensitive luteinizing hormone assay\n* Free Testosterone\\\u003C+2 standard deviations\n* Signed consent from parents\n\nExclusion Criteria:\n\n* Previous or ongoing T treatment except for TRT because of micropenis\n* Contraindications to testosterone treatment known hypersensitivity to testosterone or to any other constituent of the gel known or suspected prostatic cancer or breast carcinoma\n* Participation in any other clinical trial","MALE","10 Years","14 Years",{"count":21,"type":22},32,"ESTIMATED","INTERVENTIONAL",[25],"PHASE4","The goal of this randomized clinical trial is to study the effect of testosterone replacement therapy during puberty in boys with Klinefelter syndrome (KS, 47,XXY).\n\nThe main questions to answer are how treatment with testosterone will affect body fat mass, lipid and glucose metabolism, growth and body proportions, bone mineralization as well as effects on neurocognitive development and emotional and social difficulties.\n\nParticipants will be randomized to two years treatment with testosterone or placebo.",[28],"Klinefelter Syndrome",[30,31,32],"Klinefelter syndrome","Puberty","Body composition","RECRUITING","2025-02-14",{"date":36,"type":37},"2025-02-19","ACTUAL",{"date":39,"type":37},"2024-08-15",{"date":41,"type":22},"2029-12-31",{"name":43,"class":44},"Lise Aksglæde","OTHER",""]