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Extracorporeal Focused Shock Wave Therapy for Primary Knee Osteoarthritis

13. september 2016 opdateret af: Linamara Rizzo Battistella, MD PhD, University of Sao Paulo General Hospital

The Efficacy of Extracorporeal Focused Shock Wave Therapy for Patients With Primary Knee Osteoarthritis

The purpose of this study is to determine whether Extracorporeal Focused Shock Wave Therapy reduces knee pain and enhance function in patients with primary knee osteoarthritis.

Studieoversigt

Status

Ukendt

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This study is a placebo controlled Randomized Clinical Trial (RCT) in which the primary outcome is to determine whether Extracorporeal Focused Shock Wave Therapy (ESWT) reduces knee pain comparing the VAS at baseline and one month after the end of the treatment. Function assessment and progression of pain along the treatment are the secondary outcomes. Function will be assessed with the Western Ontario & McMaster Universities Osteoarthritis Index (WOMAC), the Lequesne's Algofunctional Questionnaire for Osteoarthritis of Knee (Lequesne) and the Timed up and Go (TUG).

The ESWT applications will be performed once a week for four consecutive weeks, the patients will be assessed for pain and function before the beginning of the treatment and one week after every application of the ESWT.

The treatment groups will be randomized. The allocation of the patients is sealed and will not be disclosed to the patients nor to the evaluators.

Undersøgelsestype

Interventionel

Tilmelding (Forventet)

30

Fase

  • Fase 2

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Brasilien
      • Sao Paulo, Brasilien, 04116-030
        • Rekruttering
        • Centro de Pesquisa Clínica do Instituto de Medicina Física e Reabilitação do HCFMUSP
        • Kontakt:
        • Kontakt:

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

45 år til 80 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Clinical and radiologic diagnosis of primary knee osteoarthritis (Kellgren & Lawrence I, II or III);
  • Capability to understand the Informed Consent Form;
  • Chronic pain for at least 3 months prior to inclusion, measured by VAS. (VAS 4 or above);
  • Absence of skin injures, infections or tumor in the target knee;
  • Availability to comply with the visits.

Exclusion Criteria:

  • History of spinal cord stenosis or clinical symptoms of lumbar radiculopathy;
  • History or onset neurological diseases;
  • Generalized pain or fibromyalgia;
  • Inability to walk;
  • History of knee surgery in the target knee;
  • Secondary causes of osteoarthritis;
  • Use of statins and quinolones in the previous year;
  • Uncontrolled and ongoing psychiatric diseases;
  • Invasive knee treatments with hyaluronic acid infusion, corticosteroids and anaesthetics, in the target knee, up to 6 months previous to study inclusion.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Tredobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Extracorporeal Shock Waves
Focused shock waves delivered by an electromagnetic generator with a focus of 5.0cm deep on the affected knee in three different positions. A total of 7000 pulses will be delivered on a weekly session for four weeks.
Enhed: Extracorporeal Shock Waves
Andet: Physical activities
Patients receive instructions for physical activities for strengthening of femoral quadriceps and stretching of hamstring muscles.
Sham-komparator: Sham Extracorporeal Shock Waves
Sham focused shock waves delivered by an electromagnetic generator on the affected knee in three different positions. A total of 7000 pulses will be delivered on a weekly session for four weeks. A foam will be placed in the probe as to stop the energy to be transmitted to the patient's knee, so no focused shockwaves will be delivered.
Andet: Physical activities
Patients receive instructions for physical activities for strengthening of femoral quadriceps and stretching of hamstring muscles.
Enhed: Sham Extracorporeal Shock Waves

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Knee Pain after one month
Tidsramme: One month
Mean change in Visual Analogue Scale (VAS) score one month after the end of the treatment compared to baseline.
One month

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Knee pain progression
Tidsramme: One week after each of four weekly ESWT applications
Mean change in VAS score one week after each application compared to baseline.
One week after each of four weekly ESWT applications
Knee Pain after three months
Tidsramme: Three months
Mean change in VAS score three months after the end of the treatment compared to baseline.
Three months
Lequesne Knee Function progression
Tidsramme: One week after each of four weekly ESWT applications
Mean change in Lequesne score one week after each application compared to baseline.
One week after each of four weekly ESWT applications
Lequesne Knee Function after three months
Tidsramme: Three months
Mean change in Lequesne three months after the end of the treatment compared to baseline.
Three months
WOMAC Knee Function progression
Tidsramme: One week after each of four weekly ESWT applications
Mean change in WOMAC score one week after each application compared to baseline.
One week after each of four weekly ESWT applications
TUG Knee Function progression
Tidsramme: One week after each of four weekly ESWT applications
Mean change in TUG score one week after each application compared to baseline.
One week after each of four weekly ESWT applications
WOMAC Knee Function after three months
Tidsramme: Three months
Mean change in WOMAC score three months after the end of the treatment compared to baseline.
Three months
TUG Knee Function after three months
Tidsramme: Three months
Mean change in TUG score three months after the end of the treatment compared to baseline.
Three months

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

University of Sao Paulo General Hospital

Efterforskere

  • Ledende efterforsker: Linamara R Battistella, PhD, MD, University of Sao Paulo

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. maj 2016

Primær færdiggørelse (Forventet)

1. oktober 2016

Studieafslutning (Forventet)

1. december 2016

Datoer for studieregistrering

Først indsendt

29. juni 2016

Først indsendt, der opfyldte QC-kriterier

13. september 2016

Først opslået (Skøn)

19. september 2016

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

19. september 2016

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

13. september 2016

Sidst verificeret

1. september 2016

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 54013616.1.0000.0068

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

UBESLUTET

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

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