An observational study in Deep Vein Thrombosis, Thromboses, Venous and Thrombosis Embolism, sponsored by Medalp Private Surgery Clinic. Recruiting at 1 site in Russian Federation. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2025-05-08.
Sponsored by Medalp Private Surgery Clinic · Observational
Ongoing registration of patients with venous thromboembolism treated by means of antithrombotic therapy, thrombolisys, open surgery, endovenous desobstruction and stenting.
Data of patients with VTE treated in different Russian medical centers are entered in a prospective digital database, and continuously updated.
There is planned to conduct prospective randomized, cohort and observational studies on the site of register
73 studies on the registry are indexed under Postthrombotic Syndrome; 21 are open to participants now.
This study's planned enrollment of 5,000 is above the median of 288 across 23 observational studies indexed under Postthrombotic Syndrome.
Browse Postthrombotic Syndrome studies →Medalp Private Surgery Clinic is the lead sponsor of 2 studies on the registry; 2 are open to participants now.
Compared within Postthrombotic Syndrome, this study's primary condition as ClinicalTrials.gg classifies it; the registry's first condition term is Venous Thrombosis. The counts are of registry records indexed under each term, refreshed daily. How we classify →
Patients undergoing any kind of treatment for venous thromboembolism
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Exclusion Criteria:
anticoagulation according to the main diagnosis
removal of blood clots with open surgery
removal of blood clots with thrombolysis
elimination of vein obstruction by stenting
Veins patency
Change in patency target veins assessed by duplex ultrasonography in different follow up periods due to different treatment methods
Time frame: Baseline, 3 and 12 months post-intervention
Postthrombotic syndrome
the presence and severity of postthrombotic syndrome on the Villalta scale
Time frame: Baseline, 3 and 12 months post-intervention
QoL SF-36
Change in Quality of Life (QoL), assessed by "Short form 36" health survey (SF-36). Total scale range: from 0 to 800. SF-36 consists of 8 subscales. Each subscale range: 0 - 100. Subscales are combined using a special algorithm described in the instructions for the SF-36. For total scale the higher value represent the worse QoL.
Time frame: Baseline, 3 and 12 months post-intervention
QoL AVVQ
Change in Quality of Life (QoL), assessed by "Aberdeen Varicose Vein Questionnaire" (AVVQ). The AVVQ is a disease-specific QoL questionnaire aimed at venous disease. Total scale range: from 0 to 100, where the higher score represent worse QoL.
Time frame: Baseline, 3 and 12 months post-intervention
Plan to share: No
Started Apr 2019 (actual). Primary completion is estimated for Mar 2036, 203 months after the start.
How these figures are worked out, and which studies are left out of them.
Eligibility is decided by the study team. Share this record with your doctor or contact the team directly.
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Medalp Private Surgery Clinic