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- Register voor klinische proeven in de VS.
- Klinische proef NCT00689286
BION Treatment of Knee Osteoarthritis
BION Implantable Microstimulator System
Studie Overzicht
Gedetailleerde beschrijving
Studietype
Fase
- Fase 1
Contacten en locaties
Studie Locaties
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California
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Los Angeles, California, Verenigde Staten, 90033
- USC University Hospital
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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:
- Subject presents with osteoarthritis of the knee with severity defined as Kellgren-Lawrence grade 3-4.
- Subject is between 18 and 75 years old.
- Attending physician considers the subject in general good health (other than knee joint osteoarthritis).
- Subject is mentally capable of understanding the goals and the application of therapy.
- Subject is able to apply the therapy (with or without help) in the home setting.
- Subject is willing and capable of giving informed consent.
- Subject is willing and capable of traveling to testing center at the schedule described above and detailed in Table 2.
Exclusion Criteria:
- Subject is pregnant, nursing, or planning to become pregnant in the next 12 months.
- Subject has an electronic implant (e.g. cardiac pacemaker, etc.).
- Subject has metallic implant (e.g. plates, hip joints) in the buttock or upper leg.
- Subject has a history of falling.
- Subject has medical conditions other than OA affecting the legs that could affect treatment or mobility.
- Subject is 40% or more above the ideal weight recommended by Metropolitan Life.
- Subject has cancer.
- Subject is currently enrolled in another clinical trial or research study that involves therapy or intervention which would affect lower extremity mobility.
- Subject has bilateral knee osteoarthritis.
- Subject is taking pain medications with dosage not stable for one month.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
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Experimenteel: BION "twitch" stimulation
The first group will have a stimulation paradigm like that used in a previous feasibility study that preceded the proposed trial, using low-frequency (1-5 PPS) "twitch" stimulation.
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They will be divided into three groups. Two groups of experimental subjects will receive stimulation using BIONs. The first group will have a stimulation paradigm like that used in a previous feasibility study that preceded the proposed trial, using low-frequency (1-5 PPS) "twitch" stimulation. The second group will have a stimulation paradigm in which tetanic-frequency stimulation (25-50 PPS) is used to produce fused muscle contractions. A third group of experimental subjects will have a standardized program of voluntary exercise. In Groups 1 and 2, the femoral nerve will be stimulated electrically according to the assigned protocol during the 12 week experimental period after implantation of the devices. Individuals assigned to Group 3, receiving conventional exercise therapy for 12 weeks, will be allowed to receive BIONs at the end of the trial, providing they request BION therapy and they have been at least minimally compliant with the exercises. |
Experimenteel: BION tetanic-frequency stimulation
The second group will have a stimulation paradigm in which tetanic-frequency stimulation (25-50 PPS) is used to produce fused muscle contractions.
|
They will be divided into three groups. Two groups of experimental subjects will receive stimulation using BIONs. The first group will have a stimulation paradigm like that used in a previous feasibility study that preceded the proposed trial, using low-frequency (1-5 PPS) "twitch" stimulation. The second group will have a stimulation paradigm in which tetanic-frequency stimulation (25-50 PPS) is used to produce fused muscle contractions. A third group of experimental subjects will have a standardized program of voluntary exercise. In Groups 1 and 2, the femoral nerve will be stimulated electrically according to the assigned protocol during the 12 week experimental period after implantation of the devices. Individuals assigned to Group 3, receiving conventional exercise therapy for 12 weeks, will be allowed to receive BIONs at the end of the trial, providing they request BION therapy and they have been at least minimally compliant with the exercises. |
Geen tussenkomst: Standardized program
A third group of experimental subjects will have a standardized program of voluntary exercise.
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Tijdsspanne |
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quadriceps isometric strength
Tijdsspanne: pre-exercise, 4w, 8w, 12w
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pre-exercise, 4w, 8w, 12w
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Secundaire uitkomstmaten
Uitkomstmaat |
Tijdsspanne |
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Gait velocity Gait endurance Pain WOMAC
Tijdsspanne: pre-exercise, 8w, 12w
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pre-exercise, 8w, 12w
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Medewerkers en onderzoekers
Onderzoekers
- Hoofdonderzoeker: Lucinda Baker, Ph.D, University of Southern California
Publicaties en nuttige links
Studie record data
Bestudeer belangrijke data
Studie start
Primaire voltooiing (Werkelijk)
Studie voltooiing (Werkelijk)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Schatting)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- BT5
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