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Ultrasound-Monitored Changes in Achilles Tendinopathy After Extracorporeal Shock Wave Therapy

25 giugno 2021 aggiornato da: Stanislav Machač, Ph.D, University Hospital, Motol

The Ultrasound-Monitored Changes in Achilles Tendinopathy After Focused Extracorporeal Shock Wave Therapy - a Randomized Sham-Controlled Trial

This study is designed as a randomized, placebo-controlled clinical trial in which we monitor the effects of low-energy focused extracorporeal shockwave therapy (ESWT) in patients with Achilles tendinopathy (AT). Participants will be randomly divided into two groups. ESWT according to selected parameters will be applied to Group A. Group B will receive sham ESWT.

Patients in both groups will have the same program. The research for one patient lasts a total of 8 weeks (2 months) from the initial to the final examination. In the first week, there will be a clinical examination by a physiotherapist, an ultrasonographic examination, and the patient will complete a VISA-A questionnaire. At the end of the examination, the patient will be randomly assigned to group A or B and receive the first application. For the next 4 weeks, additional applications will be performed once a week. The interval between individual applications should be at least 7 days. Thus, a total of 5 applications of ESWT or sham ESWT will be performed. The final examination will take place 3 weeks after the last application and will include the same procedures as for the initial examination.

Panoramica dello studio

Descrizione dettagliata

This study is designed as a randomized, placebo-controlled clinical trial in which we monitor the effects of low-energy focused extracorporeal shockwave therapy (ESWT) in patients with Achilles tendinopathy (AT). Participants will be randomly divided into two groups. ESWT according to selected parameters will be applied to Group A. Group B will receive sham ESWT.

Patients in both groups will have the same program. The research for one patient lasts a total of 8 weeks (2 months) from the initial to the final examination. In the initial session, there will be a clinical examination by a physiotherapist, which includes case history questions, measuring range of motion (measured by weight-bearing lunge test), functional loading tests (1-leg heel rise test, 1-leg hop test) and an ultrasonographic examination (tendon cross section area and width at the maximal tendon antero-posterior width place). In addition, the patient will complete a VISA-A questionnaire. At the end of the initial session, the patient will be randomly assigned to group A or B and receive the first application. For the next 4 weeks, additional applications will be performed once a week. The interval between individual applications should be at least 7 days. Thus, a total of 5 applications of ESWT or sham ESWT will be performed. The final examination will take place 3 weeks after the last application and will include the same procedures as for the initial examination.

Tipo di studio

Interventistico

Iscrizione (Effettivo)

18

Fase

  • Non applicabile

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Luoghi di studio

      • Prague, Cechia
        • University Hospital Motol and 2nd Faculty of Medicine, Charles University

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

  • Bambino
  • Adulto
  • Adulto più anziano

Accetta volontari sani

No

Sessi ammissibili allo studio

Tutto

Descrizione

Inclusion Criteria:

  • the patient complains about Achilles tendon pain, which limits (at least partially) his quality of life during daily activities or sport, and this condition would be referred as a tendinopathy
  • the patient's other leg is asymptomatic
  • the patient is not aware of the symptomatical mechanical tendon damage in past (eg. partial or complete rupture due to injury)
  • the patient has no previous experience with extracorporeal shockwave therapy treatment

Exclusion Criteria:

  • the patient has condition which is contraindication for extracorporeal shock wave therapy treatment
  • the patient had symptomatical mechanical tendon damage in past (eg. partial or complete rupture due to injury)

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Separare

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: Treatment Group (A)
Group of patients with Achilles tendinopathy which are treated by focused extracorporeal shockwave therapy once a week for 5 weeks. ESWT parameters: 0,12 mJ/mm2, 10 Hz, 1300 shocks.
Intensity 0,12 mJ/mm2, frequency 10 Hz, total number of shocks 1300.
Comparatore fittizio: Sham Group (B)
Group of patients with Achilles tendinopathy in which sham extracorporeal shockwave therapy is applied once a week for 5 weeks. Total applications are 5, applicated weekly. Sham ESWT parameters are same as in Group A (0,12 mJ/mm2, 10 Hz, 1300 shocks) but with modified applicator which does not allow wave transmission.
Intensity 0,12 mJ/mm2, frequency 10 Hz, total number of shocks 1300 - applied with modified applicator which does not allow wave transmission.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change in Cross-sectional Area at the Place of Maximum Tendon Width
Lasso di tempo: Change of initial values at 3 weeks follow up after last application (8th week).
Measured by measuring tools in ultrasound machine in cm2. In linear view is selected maximal width place, then the position of ultrasound head is rotated to horizontal view and in this view cross section area is measured.
Change of initial values at 3 weeks follow up after last application (8th week).
Change in Maximum Pain in the Achilles Tendon Area
Lasso di tempo: Change in maximum pain in the timeframe of the last application (5th week)
Measured by numeric rating scale in points. The values can reach 0-10 points. A higher score means worse pain.
Change in maximum pain in the timeframe of the last application (5th week)
Change in Maximum Pain in the Achilles Tendon Area (Follow up)
Lasso di tempo: Change in maximum pain at 3 weeks follow up after last application (8th week).
Measured by numeric rating scale in points. The values can reach 0-10 points. A higher score means worse pain.
Change in maximum pain at 3 weeks follow up after last application (8th week).
Change of Ankle Dorsiflexion Range of Motion
Lasso di tempo: Change of initial values at 3 weeks follow up after last application (8th week).
Measured using weight-bearing lunge test in cm.
Change of initial values at 3 weeks follow up after last application (8th week).

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Number of Participants With Hypoechogenic Areas
Lasso di tempo: Change of the echostructure at 3 weeks follow up after last application (8th week).
Echostructure is evaluated visually by investigator using musculoskeletal ultrasound machine. Patients who have a hypoechogenic areas in the tendon are counted.
Change of the echostructure at 3 weeks follow up after last application (8th week).
Number of Participants With Increased Thickness of Achilles Tendon
Lasso di tempo: Change of the tendon continuity at 3 weeks follow up after last application (8th week).
The Achilles tendon continuity in evaluated visually by investigator using musculoskeletal ultrasound machine. Patients who have a visually significant increased thickness of tendon will be counted.
Change of the tendon continuity at 3 weeks follow up after last application (8th week).
Change in VISA-A Questionnaire Score
Lasso di tempo: Change of initial values at 3 weeks follow up after last application (8th week).
The VISA-A questionnaire is standardized questionnaire for patients with Achilles tendinopathy. The results are recorded in points (0-100 points). The higher score indicates patients better condition.
Change of initial values at 3 weeks follow up after last application (8th week).
Change in Single Leg Heel Rise Test
Lasso di tempo: Change of initial values at 3 weeks follow up after last application (8th week)
Patient performs as many heel rises using only one leg as possible in 30 seconds or until first sign of pain in Achilles tendon area.
Change of initial values at 3 weeks follow up after last application (8th week)
Change in Single Leg Hop Test
Lasso di tempo: Change of initial values at 3 weeks follow up after last application (8th week).
Patient performs as many hops on one leg as possible in 30 seconds or until first sign of pain in Achilles tendon area.
Change of initial values at 3 weeks follow up after last application (8th week).

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Investigatori

  • Investigatore principale: Stanislav Machač, Mgr., Ph.D., University Hospital Motol and 2nd Faculty of Medicine, Charles University

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Effettivo)

1 febbraio 2021

Completamento primario (Effettivo)

2 aprile 2021

Completamento dello studio (Effettivo)

2 aprile 2021

Date di iscrizione allo studio

Primo inviato

24 febbraio 2021

Primo inviato che soddisfa i criteri di controllo qualità

28 febbraio 2021

Primo Inserito (Effettivo)

4 marzo 2021

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

28 giugno 2021

Ultimo aggiornamento inviato che soddisfa i criteri QC

25 giugno 2021

Ultimo verificato

1 giugno 2021

Maggiori informazioni

Termini relativi a questo studio

Altri numeri di identificazione dello studio

  • EK- 1/21

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

NO

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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