Endovascular Varicose vein Vnus® (endovenous radiofrequency ablation) vs Evlt (endovenous laser therapy) Randomised controlled Trial - EVVERT

ISRCTN ISRCTN63135694
DOI https://doi.org/10.1186/ISRCTN63135694
Secondary identifying numbers 08/H0803/162
Submission date
15/10/2008
Registration date
30/01/2009
Last edited
18/01/2012
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Circulatory System
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English summary of protocol

Not provided at time of registration

Contact information

Mr Ian Loftus
Scientific

Department of Vascular Surgery
4th Floor
St James Wing
St George's Hospital
Blackshaw Road
Tooting
London
SW17 0RE
United Kingdom

Phone +44 (0)20 8725 3205
Email Ian.Loftus@stgeorges.nhs.uk

Study information

Study designDouble-blind randomised controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Not specified
Study typeTreatment
Participant information sheet Not available in web format, please contact Mr Ranjeet Brar (email: rbrar@sgul.ac.uk) to request a patient information sheet
Scientific titleA double-blind randomised controlled trial of radiofrequency versus laser treatment of great saphenous varicose veins
Study acronymEVVERT
Study objectivesNull hypothesis: There is no difference in outcome between patients having their great saphenous varicose veins treated with endovascular radiofrequency (VNUS®) or endovenous laser therapy (EVLT)
Ethics approval(s)The study was approved by St George's, University of London (REC reference: 08/H0803/162; R&D reference: 08.0112).
Health condition(s) or problem(s) studiedSymptomatic great saphenous varicose veins
InterventionEndovenous laser therapy (EVLT) vs endovenous radiofrequency ablation (VNUS Closure®).

Total duration of follow-up: 3 months
Intervention typeOther
Primary outcome measure1. Patency of great saphenous vein as measured by duplex scanning. This will be measured pre-operatively, at one week and three months post-operatively.
2. Health questionnaires, recorded pre-operatively and 3 months post-operatively.
2.1. Specific: Aberdeen Varicose Vein Symptom Severity score (AVVSS)
2.2. Generic: Euroqol EQ-5D
Secondary outcome measures1. Pain
1.1. Analogue pain score diary over first week
1.2. Record of analgesia taken. Duration of follow-up: 1 week

2. Bruising. Photographs of legs taken pre-operatively and 1 week post-operatively to assess degree of bruising.
Overall study start date01/10/2008
Completion date01/04/2009

Eligibility

Participant type(s)Patient
Age groupAdult
SexBoth
Target number of participants100
Key inclusion criteria1. Both males and females
2. Primary varicose veins
3. Symptomatic
4. Great saphenous territory
Key exclusion criteria1. Unable to give informed consent
2. Age <18 or >80
3. Recurrent varicosities
4. Pregnant
5. Short saphenous incompetence
6. Tortuous great saphenous vein - not amenable to endovascular treatment
7. Deep vein thrombosis or pulmonary embolism within last year
8. Deep venous insufficiency
9. Warfarinised patient
10. Non-steroidal allergy
Date of first enrolment01/10/2008
Date of final enrolment01/04/2009

Locations

Countries of recruitment

  • England
  • United Kingdom

Study participating centre

Department of Vascular Surgery
London
SW17 0RE
United Kingdom

Sponsor information

St George's, University of London (UK)
University/education

Cranmer Terrace
Tooting
London
SW17 0RE
England
United Kingdom

Phone +44 (0)20 8672 1255
Email rbrar@sgul.ac.uk
Website http://www.sgul.ac.uk
ROR logo "ROR" https://ror.org/040f08y74

Funders

Funder type

Charity

St George's, University of London Charitable Trust (UK)

No information available

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article results 01/12/2011 Yes No