[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100348562":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":21,"centralContacts":26,"locations":36,"responsibleParty":56,"collaborators":58,"id":63,"slug":20,"hasResults":64,"nctId":65,"briefTitle":66,"officialTitle":67,"acronym":20,"eligibilityCriteria":68,"healthyVolunteers":64,"sex":69,"minAge":70,"maxAge":20,"enrollmentInfo":71,"targetDuration":20,"studyType":74,"phases":75,"briefSummary":77,"conditions":78,"keywords":79,"overallStatus":38,"whyStopped":20,"lastUpdateSubmitDate":81,"lastUpdatePostDateStruct":82,"startDateStruct":85,"completionDateStruct":87,"leadSponsor":89,"locationsCount":90},{"fullName":5,"class":6},"University Health Network, Toronto","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Soft Tissue Sarcoma","EXPERIMENTAL","A sample of archival tumor tissue will be collected.\n\nBlood samples (about 20-30 mL or 1-2 tablespoons each sample) will be taken:\n\n* Prior to planned radiation treatment\n* 2-4 weeks after cancer surgery\n* Every 12 weeks after surgery for up to 2 years",[13],"Procedure: Archival tumor tissue collection and blood draws",[15],{"type":16,"name":17,"description":18,"armGroupLabels":19,"otherNames":20},"PROCEDURE","Archival tumor tissue collection and blood draws","Archival tumor tissue will be collected for testing of circulating tumor DNA. Blood draws will be taken for testing of circulating tumor DNA.",[9],null,[22],{"name":23,"affiliation":24,"role":25},"Albiruni Razak, M.D.","Princess Margaret Cancer Centre","PRINCIPAL_INVESTIGATOR",[27,31],{"name":23,"role":28,"phone":29,"phoneExt":20,"email":30},"CONTACT","416-946-2000","albiruni.razak@uhn.ca",{"name":32,"role":28,"phone":33,"phoneExt":34,"email":35},"Pernille Pedersen, R.N.","416-946-4501","2502","pernille.pederson@uhn.ca",[37],{"facility":24,"status":38,"city":39,"state":40,"zip":41,"country":42,"cosmosGeoPoint":43,"geoPoint":48,"contacts":49},"RECRUITING","Toronto","Ontario","M5G 2M9","Canada",{"type":44,"coordinates":45},"Point",[46,47],-79.39864,43.70643,{"lat":47,"lon":46},[50,51,55],{"name":23,"role":28,"phone":29,"phoneExt":20,"email":30},{"name":52,"role":28,"phone":33,"phoneExt":53,"email":54},"Limore Arones, R.N.","2504","limore.arones@uhn.ca",{"name":23,"role":25,"phone":20,"phoneExt":20,"email":20},{"type":57,"investigatorFullName":20,"investigatorTitle":20,"investigatorAffiliation":20,"oldNameTitle":20,"oldOrganization":20},"SPONSOR",[59,61],{"name":60,"class":6},"Mount Sinai Hospital, Canada",{"name":62,"class":6},"The Hospital for Sick Children","100348562",false,"NCT03818412","Circulating Tumor DNA in Soft Tissue Sarcoma","Circulating Tumor DNA Detection in Soft Tissue Sarcoma (DNA-TSAR)","Inclusion Criteria:\n\n* Patients must have histologically confirmed high-risk extremity or retroperitoneal liposarcoma, leiomyosarcoma and undifferentiated pleomorphic sarcoma.\n* Patients must have archival tissue from the diagnostic biopsy available.\n* Deemed appropriate for preoperative or postoperative radiotherapy and curative surgery following patient assessment by radiation oncologist and surgical oncologist.\n* Age 18 years or older.\n* Eastern Cooperative Group (ECOG) performance status ≤ 2\n* Ability to understand and willing to sign a written informed consent document and comply with study requirements.\n\nExclusion Criteria:\n\n* Patients with benign histology\n* Patients with prior malignancy within previous 5 years or concurrent malignancy other than adequately treated basal cell carcinoma of skin or carcinoma in-situ of cervix.\n* Patients with planned neo-adjuvant chemotherapy.\n* Patients with regional nodal disease or unequivocal metastases\n* Uncontrolled inter-current illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness\u002Fsocial situations that would limit compliance with study requirements.","ALL","18 Years",{"count":72,"type":73},40,"ESTIMATED","INTERVENTIONAL",[76],"NA","This research study will collect blood and tumor tissue samples from patients with soft tissue sarcoma to look at circulating tumor deoxyribonucleic acid (DNA). When tumor cells are damaged or die, DNA from the tumor cells are released into the blood stream as the cells break down. This is called circulating tumor DNA. Circulating tumor DNA is an important biomarker that may be used in cancer detection, prediction of treatment response, and disease monitoring.",[9],[80],"Circulating tumor DNA","2026-06-19",{"date":83,"type":84},"2026-06-23","ACTUAL",{"date":86,"type":84},"2019-01-17",{"date":88,"type":73},"2026-12-17",{"name":5,"class":6},1]