[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"hereditary-conditions\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:hereditary-conditions":31},{"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":13,"acronym":4,"eligibilityCriteria":14,"healthyVolunteers":11,"sex":15,"minAge":16,"maxAge":17,"enrollmentInfo":18,"targetDuration":4,"studyType":21,"phases":22,"briefSummary":24,"conditions":25,"keywords":4,"overallStatus":34,"whyStopped":4,"lastUpdateSubmitDate":35,"lastUpdatePostDateStruct":36,"startDateStruct":39,"completionDateStruct":41,"leadSponsor":43,"locationsCount":5},"100658885","prospective-study-to-assess-the-outcomes-of-nitrous-oxide-cryoablation-for-treatment-of-duodenal-adenomas-in-patients-with-hereditary-conditions-such-as-fap-hnpcc-100658885",false,"NCT07859514","Prospective Study To Assess The Outcomes Of Nitrous Oxide Cryoablation For Treatment Of Duodenal Adenomas In Patients With Hereditary Conditions Such As FAP, HNPCC","Eligibility Criteria\n\n* Participants aged 20-75 years.\n* Confirmed diagnosis of FAP or HNPCC.\n* Presence of flat duodenal adenomas confirmed by histology.\n* Ability to understand and willingness to sign an informed consent form.\n\nExclusion Criteria\n\n* Presence of invasive duodenal cancer.\n* Severe comorbidities that would contraindicate endoscopic procedures.\n* Allergy or intolerance to components of the nitrous oxide cryoballoon system.\n* Previous duodenal surgery affecting the study area.\n* Active gastrointestinal bleeding. Pregnancy","ALL","20 Years","75 Years",{"count":19,"type":20},20,"ESTIMATED","INTERVENTIONAL",[23],"NA","To learn how well nitrous oxide cryoballoon ablation, a procedure that uses extreme cold to destroy abnormal tissue, works in treating flat duodenal adenomas (abnormal growths in the small intestine) in people with FAP or Lynch syndrome (HNPCC).",[26,27,28,29,30,31,32,33],"Prospective Study , Questionaires","Outcomes","Nitrous Oxide","Cryoablation","Duodenal Adenoma","Hereditary Conditions","FAP","HNPCC","NOT_YET_RECRUITING","2026-09-30",{"date":37,"type":38},"2026-10-05","ACTUAL",{"date":40,"type":20},"2027-03-03",{"date":42,"type":20},"2032-01-01",{"name":44,"class":45},"M.D. Anderson Cancer Center","OTHER"]