Oxidative Stress on Muscle Dysfunction in Hemodialysis Patient (POPEYE)
Impact of the Oxidative Stress on the Skeletal Muscle Dysfunction in Hemodialysis Patient
In hemodialysis patient (HD) a reduction of the skeletal muscle mass and strength has previously been reported. This muscle impairment constitutes an independent prognosis factor in HD patients. Oxidative stress and inflammation have been linked to the muscle impairment. The mitochondria is a classical producer and target of reactive oxygen species (ROS), and may thus constitute a central actor of the skeletal muscle impairment in HD patients. Therefore, the aim of the present study is to investigate the role of the muscle mitochondrial density on the muscle impairment in HD patients, in comparing the muscle mitochondrial density and oxidative stress in HD patients vs. healthy matched controls.
In order to assess the effect of the oxidative stress and inflammation on the muscle impairment in HD patients, muscle function assessements will be performed after renal transplantation (which lowers the oxidative stress and inflammation levels) in the HD patient group.
No therapeutic intervention will be tested in the present study.
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
-
-
-
Montpellier, Frankrig, 34295
- Montpellier University Hospital
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Age between 40-80 years old
- less than 150min by week of moderate to vigorous physical activity
- Chronic renal failure (glomerular filtration rate less than 15mL by min) requiring hemodialysis
- Patient placed on the kidney transplant waiting list of MontpellierCHU
- No indication against temporary kidney transplant
- Review cardiovascular older than two years
- Patient not under guardianship or trusteeship
- Clinically stable state Absence or recent infection within 3 months prior to inclusion Absence of progressive neoplasia No recent acute decompensation of chronic disease (thrust of heart failure, respiratory decompensated cirrhosis).
Absence of recent stroke
- musculoskeletal and neurological states of the lower limbs which allow the realization of the proposed functional tests.
- Patient has given written informed consent
- Absence of congenital or genetic degenerative muscle disease
Exclusion Criteria:
- Terminal chronic renal failure without replacement therapy
- Local anesthesic hypersensibility
- Corticosteroid treatment upper than 3 month
- COPD
- Oral anticoagulants
- Previous renal transplantation
- Subject not affiliated with a social security scheme, beneficiary or not such a plan
- Major subject protected by law or unable to consent under Article L 1121-8 of the Public Health Code
- Vulnerable person under Article L.1121-6 of the Public Health Code
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Grundvidenskab
- Tildeling: Ikke-randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
|---|---|
|
Andet: Sunde frivillige
|
|
|
Eksperimentel: HD patient
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Muscle mitochondrial density assessed on a quadriceps biopsy by immunochemistry
Tidsramme: 2 years
|
2 years
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Maximum voluntary contraction of the quadriceps (in Newton.meter)
Tidsramme: 2 years
|
2 years
|
Samarbejdspartnere og efterforskere
Sponsor
Publikationer og nyttige links
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- 9459-2
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