Comparing two classes of compression hosiery after varicose vein treatment

First- or Second- Class Compression Hosiery After Endovenous Laser With Sclerotherapy and Ambulatory Phlebectomy: Randomized Controlled Trial (FISCHER)

Not applicable Interventional Moscow City Hospital named after A.K. Eramishantsev · NCT06913764

This study is testing whether first-class compression stockings are easier and more comfortable for people recovering from varicose vein treatment compared to second-class stockings.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment100 (estimated)
Ages18 Years and up
SexAll
SponsorMoscow City Hospital named after A.K. Eramishantsev Government
Locations1 site (Moscow)
Trial IDNCT06913764 on ClinicalTrials.gov

What this trial studies

This study aims to compare the effectiveness of first-class versus second-class compression therapy in patients undergoing endovenous laser ablation (EVLA) for varicose veins. The hypothesis is that first-class compression stockings will improve patient adherence due to easier application and reduced discomfort during the postoperative period. Participants will be monitored for two weeks following their EVLA procedure, which includes sclerotherapy and ambulatory phlebectomy. The study seeks to address the challenges of patient compliance with compression therapy, which is crucial for optimal recovery.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older with varicose veins in the great saphenous vein and its tributaries who are scheduled for EVLA.

Not a fit: Patients with contraindications for prolonged compression therapy or those with severe chronic venous disease may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance patient comfort and adherence to compression therapy, leading to improved recovery outcomes after varicose vein treatment.

How similar studies have performed: Previous studies have shown the benefits of compression therapy in postoperative recovery, suggesting that this approach may yield positive results.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age ≥18 years
* Varicose veins of the lower extremities (CEAP classification C2-C5)
* Varicose disease in the great saphenous vein (GSV) and its tributaries
* Planned endovenous laser ablation of the GSV trunk with concomitant combined sclerotherapy and phlebectomy of tributaries
* Technical success of intervention (complete ablation of the GSV)
* Signed informed consent for study participation

Exclusion Criteria:

* Primary reflux outside the GSV trunk
* History of or acute deep vein thrombosis
* Deep vein insufficiency
* GSV recanalization post-intervention
* Clinical class C6 of chronic venous disease (CVD) according to CEAP classification
* Contraindications or limitations for prolonged compression therapy, including but not limited to chronic arterial diseases of the lower extremities (any severity), skin diseases
* Pathological conditions of lower limbs causing non-venous pain
* Use of vasoactive medications within 1 month before/after surgery
* Refusal to participate in the study

Where this trial is running

Moscow

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Varicose VeinsChronic Venous DisorderChronic Venous InsufficiencyVenous RefluxGreat Saphenous Vein With Venous Reflux DiseaseVaricose veinsVaricose diseaseCompression therapy
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.