- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03856814
Market Penetration of Laser Therapy in Venous Surgery: Ziekenhuis Oost-Limburg - Ziekenhuis Maas en Kempen Center Experience
November 14, 2023 updated by: Duomed
Market Penetration of Laser Therapy in Venous Surgery: ZOL - ZMK Center Experience
The goal of this registry is to evaluate the indication for EndoVenous Laser Ablation (EVLA) therapy.
Can this be enhanced?
What are the reasons for not using the laser?
Therefore, this study aims to define clear indications for EVLA by registering the incentives of the participating investigators to use the laser instead of conventional corrective surgery for the treatment of varicose veins, at baseline and post-operative.
Additionally, the efficacy and safety of the different varicose vein treatments will be evaluated by registering procedural characteristics, anatomic outcome (duplex ultrasound), quality of life (AVVQ) and postoperative pain (VAS).
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Study Type
Observational
Enrollment (Actual)
500
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Limburg
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Genk, Limburg, Belgium, 3600
- Ziekenhuis Oost-Limburg (Sint-Jan,Genk; Sint-Barbara,Lanaken; ZMK,Maaseik)
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Sampling Method
Non-Probability Sample
Study Population
500 patients with varicose veins, indicative for treatment with Endovenous laser ablation (EVLA) or Surgery (ligation/stripping) according to routine patient care.
Description
Inclusion Criteria:
- Patient is at least 18 years old.
- Patient must sign and date the informed consent form prior to treatment.
- Presence of unilateral or bilateral primary or recurrent symptomatic varicose veins (CEAP grade ≥ C2).
- Patient has an insufficient Great Saphenous Vein (GSV), Anterior Accessory Saphenous Vein (AASV) and/or Small Saphenous Vein (SSV), with venous symptoms (valve incompetence).
Exclusion Criteria:
- Current deep vein thrombosis.
- Acute superficial thrombosis.
- Pregnancy.
- Coagulopathy or bleeding disorders.
- Contraindications to the use of general or regional anesthesia.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Patients with varicose veins
Patients with varicose veins, indicative for treatment with EndoVenous Laser Ablation (EVLA) using the ELVeS® Radial® 2ring slim fiber or Surgery (ligation/stripping) according to the standard of care of the participating investigators.
|
Device for endovenous laser ablation manufactured by Biolitec AG company (ELVeS system) - diode laser with a wavelength of 1470 nm
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
To define clear indications for EndoVenous Laser Ablation (EVLA) treatment of varicose veins.
Time Frame: At baseline
|
The participating investigators will register the incentives (based on clinical examination and/or anatomic outcome by duplex ultrasound, as well as secondary considerations) to use laser ablation or conventional treatment for varicose veins in the study database in order to define clear indications for EndoVenous Laser Ablation (EVLA) treatment of varicose veins and to investigate whether the use of EVLA can be enlarged.
|
At baseline
|
To define clear indications for EndoVenous Laser Ablation (EVLA) treatment of varicose veins.
Time Frame: At 6 weeks follow-up
|
The participating investigators will re-evaluate the chosen treatment option and document this re-evaluation in the study database in order to define clear indications for EndoVenous Laser Ablation (EVLA) treatment of varicose veins and to investigate whether the use of EVLA can be enlarged.
|
At 6 weeks follow-up
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Procedural characteristics
Time Frame: At index-procedure
|
Type of anesthesia
|
At index-procedure
|
Procedural characteristics
Time Frame: At index-procedure
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Number, type and length of veins treated
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At index-procedure
|
Procedural characteristics
Time Frame: At index-procedure
|
Total energy per patient and fiber (when using the ELVeS® Radial® 2ring slim fiber)
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At index-procedure
|
Procedural characteristics
Time Frame: At index-procedure
|
Number of procedures showing technical success, defined as the ability to treat the varicose veins as planned
|
At index-procedure
|
Procedural characteristics
Time Frame: At index-procedure
|
Peri-operative adverse events (bleeding, incomplete treatment, technical defects, difficult visualization, …)
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At index-procedure
|
Procedural characteristics
Time Frame: At index-procedure
|
Duration of the index-procedure
|
At index-procedure
|
Pain scoring using the Visual Analog Scale (VAS)
Time Frame: At discharge, up to 1 week
|
The VAS scale contains a 0 - 100 grading with 0 equaling no pain and 100 equaling the worst conceivable pain.
The patient is asked to select the number on the scale that corresponds to the worst level of pain he/she experiences.
Pain is classified into mild (1 - 30 mm), moderate (31 - 60 mm) and severe (61 - 100 mm).
Absence of pain is defined as VAS = 0.
|
At discharge, up to 1 week
|
Pain scoring using the Visual Analog Scale (VAS)
Time Frame: At 6 weeks follow-up
|
The VAS scale contains a 0 - 100 grading with 0 equaling no pain and 100 equaling the worst conceivable pain.
The patient is asked to select the number on the scale that corresponds to the worst level of pain he/she experiences.
Pain is classified into mild (1 - 30 mm), moderate (31 - 60 mm) and severe (61 - 100 mm).
Absence of pain is defined as VAS = 0.
|
At 6 weeks follow-up
|
Anatomic success of EndoVenous Laser Ablation (EVLA)
Time Frame: At 6 weeks follow-up
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Defined as occlusion of the treated veins and lack of reflux objectified with duplex ultrasonography.
|
At 6 weeks follow-up
|
Quality of life by scoring Aberdeen Varicose Vein Questionnaire (AVVQ)
Time Frame: At baseline
|
Aberdeen Varicose Vein Questionnaire (AVVQ) is a validated tool for assessing the perceived health of patients with varicose veins.
The AVVQ comprises 13 quality of life questions, including a set of manikin legs, on which participants are asked to draw their veins.
|
At baseline
|
Quality of life by scoring Aberdeen Varicose Vein Questionnaire (AVVQ)
Time Frame: At 6 weeks follow-up
|
Aberdeen Varicose Vein Questionnaire (AVVQ) is a validated tool for assessing the perceived health of patients with varicose veins.
The AVVQ comprises 13 quality of life questions, including a set of manikin legs, on which participants are asked to draw their veins.
|
At 6 weeks follow-up
|
Quality of life by scoring Aberdeen Varicose Vein Questionnaire (AVVQ)
Time Frame: At 6 months follow-up
|
Aberdeen Varicose Vein Questionnaire (AVVQ) is a validated tool for assessing the perceived health of patients with varicose veins.
The AVVQ comprises 13 quality of life questions, including a set of manikin legs, on which participants are asked to draw their veins.
|
At 6 months follow-up
|
Post-operative adverse events
Time Frame: At discharge, up to 1 week
|
Number of participants with numbness, persistent bruising, skin loss or ulceration, hematoma, infection, bleeding, deep venous thrombosis, etc.
|
At discharge, up to 1 week
|
Post-operative adverse events
Time Frame: At 6 weeks follow-up
|
Number of participants with numbness, persistent bruising, skin loss or ulceration, hematoma, infection, bleeding, deep venous thrombosis, etc.
|
At 6 weeks follow-up
|
Post-operative adverse events
Time Frame: At 6 months follow-up
|
Number of participants with numbness, persistent bruising, skin loss or ulceration, hematoma, infection, bleeding, deep venous thrombosis, etc.
|
At 6 months follow-up
|
Re-interventions
Time Frame: At discharge, up to 1 week
|
Number of participants with re-interventions
|
At discharge, up to 1 week
|
Re-interventions
Time Frame: At 6 weeks follow-up
|
Number of participants with re-interventions
|
At 6 weeks follow-up
|
Re-interventions
Time Frame: At 6 months follow-up
|
Number of participants with re-interventions
|
At 6 months follow-up
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
March 15, 2019
Primary Completion (Actual)
January 13, 2023
Study Completion (Actual)
November 8, 2023
Study Registration Dates
First Submitted
February 4, 2019
First Submitted That Met QC Criteria
February 26, 2019
First Posted (Actual)
February 27, 2019
Study Record Updates
Last Update Posted (Actual)
November 15, 2023
Last Update Submitted That Met QC Criteria
November 14, 2023
Last Verified
November 1, 2023
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- BM-VL-01
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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