[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100403008":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":23,"centralContacts":23,"locations":24,"responsibleParty":43,"collaborators":23,"id":47,"slug":23,"hasResults":48,"nctId":49,"briefTitle":50,"officialTitle":51,"acronym":23,"eligibilityCriteria":52,"healthyVolunteers":48,"sex":53,"minAge":54,"maxAge":55,"enrollmentInfo":56,"targetDuration":23,"studyType":59,"phases":60,"briefSummary":62,"conditions":63,"keywords":67,"overallStatus":26,"whyStopped":23,"lastUpdateSubmitDate":72,"lastUpdatePostDateStruct":73,"startDateStruct":76,"completionDateStruct":78,"leadSponsor":80,"locationsCount":81},{"fullName":5,"class":6},"Universitat Internacional de Catalunya","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"1-vist endodontic retreatment","ACTIVE_COMPARATOR","Non-surgical root canal retreatment performed in one visit",[13],"Procedure: Non-surgical root canal retreatment",{"label":15,"type":10,"description":16,"interventionNames":17},"2-vist endodontic retreatment","Non-surgical root canal retreatment performed in two visits",[13],[19],{"type":20,"name":21,"description":21,"armGroupLabels":22,"otherNames":23},"PROCEDURE","Non-surgical root canal retreatment",[9,15],null,[25],{"facility":5,"status":26,"city":27,"state":28,"zip":29,"country":30,"cosmosGeoPoint":31,"geoPoint":36,"contacts":37},"RECRUITING","Sant Cugat del Vallès","Barcelona","08195","Spain",{"type":32,"coordinates":33},"Point",[34,35],2.08611,41.47063,{"lat":35,"lon":34},[38],{"name":39,"role":40,"phone":41,"phoneExt":23,"email":42},"Juan G. Olivieri, DDS, PhD","CONTACT","935042000","jgolivieri@uic.es",{"type":44,"investigatorFullName":45,"investigatorTitle":46,"investigatorAffiliation":5,"oldNameTitle":23,"oldOrganization":23},"PRINCIPAL_INVESTIGATOR","Juan Gonzalo Olivieri","Principal investigator","100403008",false,"NCT04527705","Outcome of Endodontic Retreatment in One or Two Visits","Clinical and Radiographic Outcome of Endodontic Retreatment in One or Two Visits: A Randomized Controlled Trial.","Inclusion Criteria:\n\n* Patients that demonstrate understanding of the study and willingness to participate as evidenced by signing the voluntary informed consent and received a signed and dated copy of the informed consent form.\n* Understands and is willing to comply with all study procedures and restrictions.\n* Not presence of clinically significant and relevant abnormalities of clinical history or oral examination.\n* Retreatment cases due to an endodontic failure.\n* Diagnosis of apical periodontitis.\n* Single or bi-radicular teeth.\n\nExclusion Criteria:\n\n* General: Patients with systemic diseases, diabetes, immunocompromised and pregnant women, or any clinically significant or relevant oral abnormalities.\n* Specific: root resorption, root fractures, impossibility of restoration and cases were secondary root canal treatment is not the treatment of choice.","ALL","18 Years","75 Years",{"count":57,"type":58},110,"ESTIMATED","INTERVENTIONAL",[61],"NA","This study is a prospective randomized controlled study of patients who come to the University and non-surgical root canal retreatment is considered as the election of choice in presence of periapical disease. The aim is to evaluate the success rate of non-surgical retreatment performed in one compared to two visit treatment up to 10 years of follow-up. The null hypothesis is that there will be no statistically significant differences in rates of success, when performing root canal non-surgical retreatment in one or two visits.",[64,65,66],"Endodontic Disease","Endodontically Treated Teeth","Root Canal Infection",[68,69,70,71],"Primary root canal treatment","Secondary root canal treatment","Periapical healing","Outcome","2020-08-23",{"date":74,"type":75},"2020-08-26","ACTUAL",{"date":77,"type":75},"2018-09-20",{"date":79,"type":58},"2031-07-20",{"name":5,"class":6},1]