[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100411213":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":10,"centralContacts":10,"locations":28,"responsibleParty":53,"collaborators":55,"id":58,"slug":10,"hasResults":59,"nctId":60,"briefTitle":61,"officialTitle":61,"acronym":62,"eligibilityCriteria":63,"healthyVolunteers":64,"sex":65,"minAge":66,"maxAge":10,"enrollmentInfo":67,"targetDuration":10,"studyType":70,"phases":10,"briefSummary":71,"conditions":72,"keywords":78,"overallStatus":31,"whyStopped":10,"lastUpdateSubmitDate":83,"lastUpdatePostDateStruct":84,"startDateStruct":87,"completionDateStruct":89,"leadSponsor":91,"locationsCount":92},{"fullName":5,"class":6},"Medical University of Bialystok","OTHER",[8,14,17],{"label":9,"type":10,"description":11,"interventionNames":12},"Obesity - undergoing bariatric surgery",null,"Patients with morbid obesity, treated with the bariatric surgery",[13],"Procedure: Bariatric surgery",{"label":15,"type":10,"description":16,"interventionNames":10},"Obesity - without bariatric surgery treatment","Patients with morbid obesity, not treated with the bariatric surgery",{"label":18,"type":10,"description":19,"interventionNames":10},"Non-obese","Non-obese patients - control group (without obesity and without the bariatric surgery treatment)",[21],{"type":22,"name":23,"description":24,"armGroupLabels":25,"otherNames":26},"PROCEDURE","Bariatric surgery","Bariatric surgery (Roux-en-Y gastric bypass, gastric banding, or sleeve gastrectomy) for the treatment of morbid obesity",[9],[27],"Metabolic surgery",[29],{"facility":30,"status":31,"city":32,"state":33,"zip":34,"country":35,"countryCode":36,"cosmosGeoPoint":37,"geoPoint":42,"contacts":43},"Clinical Research Centre, Medical University of Bialystok","RECRUITING","Bialystok","Podlaskie Voivodeship","15-276","Poland","PL",{"type":38,"coordinates":39},"Point",[40,41],23.16433,53.13333,{"lat":41,"lon":40},[44,49,52],{"name":45,"role":46,"phone":47,"phoneExt":10,"email":48},"Lukasz Szczerbinski, MD, PhD","CONTACT","+48 85 831 81 50","lukasz.szczerbinski@umb.edu.pl",{"name":50,"role":51,"phone":10,"phoneExt":10,"email":10},"Adam Kretowski, Prof., MD, PhD","PRINCIPAL_INVESTIGATOR",{"name":45,"role":51,"phone":10,"phoneExt":10,"email":10},{"type":54,"investigatorFullName":10,"investigatorTitle":10,"investigatorAffiliation":10,"oldNameTitle":10,"oldOrganization":10},"SPONSOR",[56],{"name":57,"class":6},"University of Copenhagen","100411213",false,"NCT04634591","The Bialystok Bariatric Surgery Study","BBSS","Inclusion Criteria:\n\n* BMI ≥ 40 kg\u002Fm2, or BMI ≥ 35 and at least one or more obesity-related co-morbidities such as type 2 diabetes (T2D), hypertension, sleep apnea and other respiratory disorders, non-alcoholic fatty liver disease, osteoarthritis, lipid abnormalities, gastrointestinal disorders, or heart disease.\n* Inability to achieve a healthy weight loss sustained for a period of time with prior weight loss efforts\n* Patient consent for participation in research project\n* Willingness in participation in follow-up visits\n\nExclusion Criteria:\n\n* substance abuse,\n* uncontrolled psychiatric illness\n* expected lack of compliance\n* advanced-stage cancer\n\nNon-obese control group:\n\n* BMI \\\u003C30",true,"ALL","18 Years",{"count":68,"type":69},1000,"ESTIMATED","OBSERVATIONAL","The Bialystok Bariatric Surgery Study (BBSS) is a prospective observational cohort study of patients undergoing bariatric surgery at the First Clinical Department of General and Endocrine Surgery at the Medical University of Bialystok. The BBSS consists of a battery of baseline tests established one month prior to the surgery and repeated at one, three, six, twelve and twenty four-month follow-up clinical visits.",[73,74,75,76,77],"Obesity","Diabetes Mellitus","Metabolic Syndrome","Dyslipidemias","PreDiabetes",[79,80,81,82],"bariatric surgery","diabetes treatment","prediabetes treatment","metabolic surgery","2026-04-09",{"date":85,"type":86},"2026-04-14","ACTUAL",{"date":88,"type":86},"2015-09-10",{"date":90,"type":69},"2026-12-31",{"name":5,"class":6},1]