[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100399906":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":10,"centralContacts":15,"locations":21,"responsibleParty":40,"collaborators":10,"id":44,"slug":45,"hasResults":46,"nctId":47,"briefTitle":48,"officialTitle":49,"acronym":50,"eligibilityCriteria":51,"healthyVolunteers":52,"sex":53,"minAge":54,"maxAge":10,"enrollmentInfo":55,"targetDuration":10,"studyType":58,"phases":10,"briefSummary":59,"conditions":60,"keywords":10,"overallStatus":24,"whyStopped":10,"lastUpdateSubmitDate":62,"lastUpdatePostDateStruct":63,"startDateStruct":66,"completionDateStruct":68,"leadSponsor":70,"locationsCount":71},{"fullName":5,"class":6},"Russian Phlebological Association","OTHER",[8,12],{"label":9,"type":10,"description":11,"interventionNames":10},"Patients without Chronic Venous Disease",null,"Individuals who do not have signs of chronic venous diseases of lower legs according to Clinical, Etiologic, Anatomic and Pathophysiologic classification (CEAP)",{"label":13,"type":10,"description":14,"interventionNames":10},"Patients with Chronic Veinous Disease","Individuals who have signs of chronic venous diseases of lower legs according to CEAP classification (telangiectases, varicose veins, venous edema, skin hyperpigmentation, lipodermatosclerosis, venous ulcer).",[16],{"name":17,"role":18,"phone":19,"phoneExt":10,"email":20},"Evgeny Ilyukhin, MD, PhD","CONTACT","+79218451722","evgeny@ilyukhin.info",[22],{"facility":23,"status":24,"city":25,"state":26,"zip":27,"country":28,"countryCode":29,"cosmosGeoPoint":30,"geoPoint":35,"contacts":36},"\"Medalp\" private surgery clinic","RECRUITING","Saint Petersburg","Sankt-Peterburg","197350","Russia","RU",{"type":31,"coordinates":32},"Point",[33,34],30.31413,59.93863,{"lat":34,"lon":33},[37],{"name":38,"role":18,"phone":10,"phoneExt":10,"email":39},"Evgeny Ilyukhin, PhD","euugen.iluhin@gmail.com",{"type":41,"investigatorFullName":42,"investigatorTitle":43,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"PRINCIPAL_INVESTIGATOR","Evgeny Ilyukhin","Principal Investigator","100399906","registry-for-chronic-venous-disease-incidence-and-natural-course-100399906",false,"NCT04487314","Registry for Chronic Venous Disease Incidence and Natural Course","Russian Registry for Chronic Venous Disease Incidence and Natural Course","RRCVD","Inclusion Criteria:\n\n* A family members of the researcher (spouse, childrens, brothers and sisters, parents) or the researcher himself\n* The possibility of annual clinical and ultrasound assessment of the venous system of the observed individuals\n\nExclusion Criteria:\n\n* Any invasive treatment of the chronic venous disorder in anamnesis\n* Venous thrombosis in the anamnesis or at the time of inclusion",true,"ALL","10 Years",{"count":56,"type":57},10000,"ESTIMATED","OBSERVATIONAL","A prospective cohort study of patients with primary varicose veins to assess the morbidity, risk factors and development of chronic lower limb vein disease.",[61],"Varicose Veins of Lower Limb","2026-06-24",{"date":64,"type":65},"2026-06-29","ACTUAL",{"date":67,"type":65},"2020-08-20",{"date":69,"type":57},"2050-09-01",{"name":5,"class":6},1]