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Extracorporeal Focused Shock Wave Therapy for Primary Knee Osteoarthritis
The Efficacy of Extracorporeal Focused Shock Wave Therapy for Patients With Primary Knee Osteoarthritis
Studie Overzicht
Toestand
Interventie / Behandeling
Gedetailleerde beschrijving
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.
Studietype
Inschrijving (Verwacht)
Fase
- Fase 2
Contacten en locaties
Studie Locaties
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Sao Paulo, Brazilië, 04116-030
- Werving
- Centro de Pesquisa Clínica do Instituto de Medicina Física e Reabilitação do HCFMUSP
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Contact:
- Fabíola Cavalieri, MD
- Telefoonnummer: 55-11-99212-3999
- E-mail: fabiola.cavalieri@hc.fm.usp.br
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Contact:
- Artur C Santos
- Telefoonnummer: 55-11-5180-7897
- E-mail: artur.santos@hc.fm.usp.br
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
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.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Verdrievoudigen
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
|---|---|
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Experimenteel: 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.
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Patients receive instructions for physical activities for strengthening of femoral quadriceps and stretching of hamstring muscles.
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Sham-vergelijker: 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.
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Patients receive instructions for physical activities for strengthening of femoral quadriceps and stretching of hamstring muscles.
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Knee Pain after one month
Tijdsspanne: One month
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Mean change in Visual Analogue Scale (VAS) score one month after the end of the treatment compared to baseline.
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One month
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Knee pain progression
Tijdsspanne: One week after each of four weekly ESWT applications
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Mean change in VAS score one week after each application compared to baseline.
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One week after each of four weekly ESWT applications
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Knee Pain after three months
Tijdsspanne: Three months
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Mean change in VAS score three months after the end of the treatment compared to baseline.
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Three months
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Lequesne Knee Function progression
Tijdsspanne: One week after each of four weekly ESWT applications
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Mean change in Lequesne score one week after each application compared to baseline.
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One week after each of four weekly ESWT applications
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Lequesne Knee Function after three months
Tijdsspanne: Three months
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Mean change in Lequesne three months after the end of the treatment compared to baseline.
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Three months
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WOMAC Knee Function progression
Tijdsspanne: One week after each of four weekly ESWT applications
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Mean change in WOMAC score one week after each application compared to baseline.
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One week after each of four weekly ESWT applications
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TUG Knee Function progression
Tijdsspanne: One week after each of four weekly ESWT applications
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Mean change in TUG score one week after each application compared to baseline.
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One week after each of four weekly ESWT applications
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WOMAC Knee Function after three months
Tijdsspanne: Three months
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Mean change in WOMAC score three months after the end of the treatment compared to baseline.
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Three months
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TUG Knee Function after three months
Tijdsspanne: Three months
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Mean change in TUG score three months after the end of the treatment compared to baseline.
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Three months
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Medewerkers en onderzoekers
Onderzoekers
- Hoofdonderzoeker: Linamara R Battistella, PhD, MD, University of Sao Paulo
Studie record data
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Studie start
Primaire voltooiing (Verwacht)
Studie voltooiing (Verwacht)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
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Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- 54013616.1.0000.0068
Plan Individuele Deelnemersgegevens (IPD)
Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?
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