Endovenous laser ablation (EVLA), radio frequency (RF), foam sclerotherapy and stripping for treatment of varicose veins

ISRCTN ISRCTN08060326
DOI https://doi.org/10.1186/ISRCTN08060326
Protocol serial number 02
Sponsor Danish National Health Insurance (Denmark)
Funder Danish National Health Insurance (Denmark)
Submission date
31/07/2009
Registration date
27/08/2009
Last edited
11/07/2019
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

Dr Lars Rasmussen
Scientific

Eskadronsvej 4A
Naestved
4700
Denmark

Email lhr@varix.dk

Study information

Primary study designInterventional
Study designRandomised controlled trial
Secondary study designRandomised controlled trial
Study type Participant information sheet
Scientific titleA randomised controlled trial of endovenous laser ablation (EVLA), radio frequency (RF), foam sclerotherapy and stripping for treatment of varicose veins
Study acronymSOL
Study objectivesEndovenous laser ablation (EVLA), radio frequency (RF), foam sclerotherapy and stripping for the treatment of varicose veins all have equal outcomes.
Ethics approval(s)Regional ethics committee approved of this trial prior to first patient enrolment.
Health condition(s) or problem(s) studiedVaricose veins
Intervention1. Surgery: high ligation and stripping plus stab phlebectomies
2. Endovenous laser ablation plus phlebectomies
3. Radiofrequency ablation plus phlebectomies
4. Ultrasound guided foam sclerotherapy plus phlebectomies

Duration of treatments: 1 hour
Duration of follow up: 5 years
Intervention typeOther
Primary outcome measure(s)

Recurrent varicose veins after surgery (REVAS), measured at baseline, 1 month, 12 months, yearly thereafter for a total of 5 years.

Key secondary outcome measure(s)

Measured at baseline, 1 month, 12 months, yearly thereafter for a total of 5 years:
1. Quality of life
2. Varicose vein severity score (VVSS)

Completion date01/01/2012

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
SexAll
Target sample size at registration500
Total final enrolment500
Key inclusion criteria1. Varicose veins due to greater saphenous vein (GSV) insufficiency
2. Aged greater than or equal to 18 years, to an upper limit of 75 years, either sex
Key exclusion criteriaAged below 18 and above 75 years
Date of first enrolment01/01/2007
Date of final enrolment01/01/2012

Locations

Countries of recruitment

  • Denmark

Study participating centre

Eskadronsvej 4A
Naestved
4700
Denmark

Results and Publications

Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article results 01/08/2011 11/07/2019 Yes No
Results article results 01/10/2013 11/07/2019 Yes No
Participant information sheet Participant information sheet 11/11/2025 11/11/2025 No Yes

Editorial Notes

11/07/2019: Publication reference and total final enrolment added.