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Long Term Study of 3 Radiofrequency Devices — 3RF-5Years  

Varicose Veins of Lower Limb Clinical Trial

Official title:
Long Term Outcomes of the Double Blind Randomised Controlled Trial of Radiofrequency Thermal Ablation Treatments of Great Saphenous Varicose Veins: Closurefast vs. RFITT vs. EVRF

Clinical Trial Summary

To establish which of the radiofrequency venous ablation modalities studied in the original 3RF study (Venefit (Closurefast), vs. Radiofrequency induced Thermal Therapy vs. Endovenous Radiofrequency) is most effective in relieving patients' symptoms and signs from varicose veins disease, and in maintaining absence of reflux in the treated vein segment (of the great saphenous vein (GSV)) 5 years following surgery.

Clinical Trial Description

Results of randomised trials and meta-analyses have shown that endovenous thermal ablation of the GSV using radiofrequency ablation or laser is associated with improved recovery compared with conventional surgery. Furthermore, radiofrequency ablation (using the Closurefast device) has been shown to cause less pain and require less analgesic intake than laser treatment. At the time the 3 RF study was conceived there were two other radiofrequency devices that were marketed to have theoretical advantages over the Closurefast technique. All three devices were in use in clinical practice (including at Worcestershire Royal Hospital) in 2013. The initial study focused on clinical results (up to 12 months) and anatomical results (up to 6 months) and remains the only clinical trial to date that has directly compared the outcomes of radiofrequency thermal ablation devices. This second (long term) phase of the study aims to assess which of the radiofrequency venous ablation modalities studied in the original 3RF study (Venefit (Closurefast), vs. Radiofrequency induced Thermal Therapy vs. Endovenous Radiofrequency) is most effective in relieving patients' symptoms and signs from varicose veins disease, and in maintaining absence of reflux in the treated vein segment (of the great saphenous vein (GSV)) 5 years following surgery. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04720027
Study type Observational
Source Worcestershire Acute Hospitals NHS Trust
Contact
Status Completed
Phase
Start date June 10, 2021
Completion date June 25, 2022
View Details
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