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Extracorporeal Shock Wave Therapy in Lower Extremity Lymphedema

2. Juni 2026 aktualisiert von: Ayça Utkan Karasu, Gazi University

Efficacy of Extracorporeal Shock Wave Therapy (ESWT) in Lower Extremity Lymphedema: A Randomized Controlled Trial

Lower extremity lymphedema is a chronic and progressive condition associated with significant functional impairment and reduced quality of life. The current gold-standard treatment is Complex Decongestive Therapy (CDT); however, a substantial proportion of patients continue to experience persistent symptoms during the maintenance phase. This prospective, randomized, double-blind, placebo-controlled clinical trial aims to evaluate the effectiveness of Extracorporeal Shock Wave Therapy (ESWT) as an adjunct to standard CDT maintenance therapy in patients with lower extremity lymphedema. Participants will be randomly allocated to either an active ESWT group or a sham ESWT group, with both groups continuing standard CDT maintenance throughout the study. ESWT will be administered twice weekly for five sessions. Changes in limb volume, skin thickness and subcutaneous tissue thickness assessed by ultrasonography, pain, functional status, and quality of life will be evaluated at baseline, after treatment, and at one-month follow-up.

Studienübersicht

Status

Noch keine Rekrutierung

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

Lower extremity lymphedema results from impairment of the lymphatic system and is characterized by progressive tissue fibrosis, chronic limb swelling, recurrent infections, and reduced quality of life. Complex Decongestive Therapy (CDT), recommended by the International Society of Lymphology, remains the gold-standard treatment. Despite adherence to CDT, many patients continue to experience persistent symptoms and functional decline, underscoring the need for effective adjunctive interventions.

Extracorporeal Shock Wave Therapy (ESWT) is a non-invasive modality that has shown potential benefits in reducing fibrosis and improving lymphatic function. While its efficacy has been reported in upper extremity lymphedema, evidence in lower extremity lymphedema remains limited.

This single-center, prospective, randomized, double-blind, placebo-controlled trial will be conducted at the Department of Physical Medicine and Rehabilitation, Gazi University Faculty of Medicine. Patients currently in CDT Phase 2 (maintenance phase) will be randomly assigned in a 1:1 ratio to receive either active ESWT or sham ESWT, using stratified randomization by lymphedema stage. All participants will continue standard maintenance therapy - compression garments, skin care, and exercise - throughout the study. ESWT will be applied to fibrotic tissue regions and periinguinal and peripopliteal lymph node areas using the EMS Swiss DolorClast® device, with 3,000 impulses per session at 20 Hz and 2 bar. The primary outcome is change in lower extremity circumferential measurements and limb volume. Secondary outcomes include skin and subcutaneous tissue thickness assessed by ultrasonography, pain intensity measured by the Visual Analogue Scale (VAS), lymphedema-specific quality of life evaluated by the LYMQOL-Leg, and functional status assessed by the Lower Extremity Functional Scale (LEFS). All outcomes will be assessed at baseline, immediately after treatment, and at one-month follow-up.

Studientyp

Interventionell

Einschreibung (Geschätzt)

36

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

  • Name: Ayca Utkan Karasu, M.D
  • Telefonnummer: +903122025219 +905365759757
  • E-Mail: ayca_utkan@yahoo.com

Studienorte

  • Türkei (türkiye)
    • Yenimahalle
      • Ankara, Yenimahalle, Türkei (türkiye), 06560
        • Gazi University Hospital, Department of Physical Medicine and Rehabilitation, Ankara, 06560
        • Hauptermittler:
          • Ayca Utkan Karasu, MD
        • Kontakt:
        • Kontakt:
        • Hauptermittler:
          • Turkan Gokcelik, MD
        • Unterermittler:
          • Ilknur Onurlu, MD

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene
  • Älterer Erwachsener

Akzeptiert gesunde Freiwillige

Nein

Beschreibung

Inclusion Criteria:

  • Adults aged 18 to 80 years
  • Clinical diagnosis of lower extremity lymphedema established at least 6 months prior to enrollment
  • Completion of at least one cycle of CDT Phase 1 (intensive decongestive phase) within the preceding six months
  • Currently in CDT Phase 2 (maintenance phase) with active use of compression garments
  • Ability and willingness to provide written informed consent

Exclusion Criteria:

  • Active chemotherapy or radiotherapy
  • Active infection
  • Lower extremity vascular diseases including deep vein thrombosis or arterial insufficiency
  • Presence of a cardiac pacemaker
  • Pregnancy
  • Bleeding disorders

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Doppelt

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: ESWT + CDT Maintenance
Participants in this group receive active Extracorporeal Shock Wave Therapy (ESWT) applied to fibrotic tissue regions of the affected lower extremity and periinguinal and peripopliteal lymph node areas, in addition to standard CDT maintenance therapy. ESWT will be administered twice weekly for a total of five sessions.
Gerät: Extracorporeal Shock Wave Therapy (ESWT)
Radial shock wave therapy will be applied using the EMS Swiss DolorClast® device. Each session will consist of 3,000 impulses delivered at 20 Hz and 2 bar using a 40 mm applicator, targeting fibrotic tissue regions and periinguinal and peripopliteal lymph node areas. ESWT will be administered twice weekly for five sessions
Andere Namen:
  • ESWT
  • Extracorporeal Shock Wave Therapy
Schein-Komparator: Sham ESWT + CDT Maintenance
Participants in this group receive sham ESWT applied to the same anatomical regions using identical device positioning and application procedures, but with only non-energized impulses delivered. Standard CDT maintenance therapy will be continued throughout the study.
Gerät: Sham Extracorporeal Shock Wave Therapy (Sham ESWT)
Sham ESWT will be applied with identical positioning and session duration as the active ESWT group. Only non-energized impulses will be delivered, ensuring participant blinding. Sham ESWT will be administered twice weekly for five sessions.
Andere Namen:
  • Sham Extracorporeal Shock Wave Therapy
  • Sham ESWT

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change in Lower Extremity Limb Volume
Zeitfenster: Baseline, immediately after treatment (week 3), and 1-month follow-up
Change in lower extremity limb volume calculated using the truncated cone formula. Volume will be estimated from circumferential measurements taken at 4 cm intervals from approximately 2 cm proximal to the medial malleolus to the inguinal region, with the patient in the supine position.
Baseline, immediately after treatment (week 3), and 1-month follow-up

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change in Lower Extremity Circumferential Measurements
Zeitfenster: Baseline, immediately after treatment (week 3) and 1-month follow-up
Change in lower extremity circumferential measurements taken at 4 cm intervals from approximately 2 cm proximal to the medial malleolus to the inguinal region, with the patient in the supine position using a non-elastic tape measure. The difference between baseline and post-treatment values will be compared between groups.
Baseline, immediately after treatment (week 3) and 1-month follow-up
Change in Skin and Subcutaneous Tissue Thickness Assessed by Ultrasonography
Zeitfenster: Baseline, immediately after treatment (week 3), and 1-month follow-up
Change in skin and subcutaneous tissue thickness measured by B-mode linear ultrasonography at standardized anatomical sites on the affected lower extremity. Three measurements will be obtained at each site and averaged.
Baseline, immediately after treatment (week 3), and 1-month follow-up
Change in Lymphedema-Specific Quality of Life (LYMQOL-Leg)
Zeitfenster: Baseline, immediately after treatment (week 3), and 1-month follow-up
Lymphedema-specific quality of life will be assessed using the LYMQOL-Leg questionnaire, a patient-reported outcome measure consisting of 22 items evaluating function, body image, symptoms, and emotional well-being. Each item is scored from 1 to 4, and an overall quality of life score is rated separately on a scale from 0 to 10, with higher scores indicating better quality of life.
Baseline, immediately after treatment (week 3), and 1-month follow-up
Change in Lower Extremity Functional Status (LEFS)
Zeitfenster: Baseline, immediately after treatment (week 3), and 1-month follow-up
Lower extremity functional status will be assessed using the Lower Extremity Functional Scale (LEFS). The LEFS consists of 20 items, each scored from 0 to 4, yielding a total score ranging from 0 (extreme difficulty or inability to perform all activities) to 80 (no difficulty), with higher scores indicating better functional status.
Baseline, immediately after treatment (week 3), and 1-month follow-up
Change in Pain Intensity Measured by Visual Analogue Scale (VAS)
Zeitfenster: Baseline, immediately after treatment (week 3), and 1-month follow-up
Pain intensity will be assessed using a 10 cm Visual Analogue Scale (VAS). Scores range from 0 (no pain) to 10 (worst imaginable pain), with lower scores indicating less pain.
Baseline, immediately after treatment (week 3), and 1-month follow-up

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Gazi University

Publikationen und hilfreiche Links

Die Bereitstellung dieser Publikationen erfolgt freiwillig durch die für die Eingabe von Informationen über die Studie verantwortliche Person. Diese können sich auf alles beziehen, was mit dem Studium zu tun hat.

Allgemeine Veröffentlichungen

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Geschätzt)

22. Juni 2026

Primärer Abschluss (Geschätzt)

1. Februar 2027

Studienabschluss (Geschätzt)

1. Februar 2027

Studienanmeldedaten

Zuerst eingereicht

21. Mai 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

2. Juni 2026

Zuerst gepostet (Tatsächlich)

4. Juni 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

4. Juni 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

2. Juni 2026

Zuletzt verifiziert

1. Juni 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • GUFTR-LELymphedemaESWT-2026

Plan für individuelle Teilnehmerdaten (IPD)

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UNENTSCHIEDEN

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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