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Exercise-induced Improvements of Inflammatory Status in Patients With Rheumatoid Arthritis

28. maj 2015 opdateret af: Norwegian University of Science and Technology

Exercise-induced Improvements of Inflammatory Status in Patients With Rheumatoid Arthritis - Improvements of Cardiovascular Risk Factors and Quality of Life

The primary aim of the study is to investigate if 10 weeks of high intensity interval training improve inflammatory status in patients with rheumatoid arthritis.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

Rheumatoid arthritis (RA) is a chronic, systemic inflammatory disorder that may affect many tissues and organs, but principally attacks synovial joints. Although the cause of rheumatoid arthritis is unknown, autoimmunity plays a role in both the chronicity and progression, and RA is considered as a systemic autoimmune disease.

Due to chronic inflammatory status, RA-patients are at higher risk of developing cardiovascular disease (CVD) compared to the general population. Accumulating evidence indicates that regular physical activity has beneficial effects on RA. The mechanisms behind exercise-induce improvements are none the less unclear and more research is needed to better understand the beneficial effects of exercise training in this patient group.

Recently, promising results from gene expression studies of blood cells have revealed unexplored fields of biomarker discovery and gene expression profiling of disease. Due to easy accessible and minimally invasive sample collection, gene expression profiling of whole blood might turn out to be a promising tool in molecular diagnostics and clinical medicine. To our knowledge, whole-genome transcriptional changes have not previously been studied in RA-patients undergoing a high-intensity exercise program.

Hypothesis: Ten weeks of high intensity interval training improves the inflammatory status, quality of life, and known risk factors for cardiovascular diseases.

In addition to measure traditionally inflammatory markers in the blood, whole genome analysis will be made.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

18

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiesteder

  • Norge
      • Trondheim, Norge, 7006
        • Norwegian University of Science and Technology, Faculty of medicine, Department of circulation and medical imaging,

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

20 år til 50 år (Voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Kvinde

Beskrivelse

Inclusion Criteria:

  • Ability to exercise
  • written consent

Exclusion Criteria:

  • Inability to exercise
  • Known ischemic cardiovascular disease
  • Severe pulmonary disease
  • High activity level
  • Pregnancy
  • drug/alcohol abuse
  • Unstable RA
  • diagnosis before 2000

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: Crossover opgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Exercise then control
Adfærdsmæssigt: high intensity interval training

First 10 week of high intensity interval training, twice a week. The interval training session consists of 10 minutes warm up at 70 percent of maximal heart rate and continues with 4 times 4 minutes of high intensity intervals at 90 to 95 percent of maximal heart rate separated by 3 minutes of active brakes in between at 70 percent of maximal heart rate. Training will be performed by cycling. Training intensity will be supervised through the use of polar puls monitors and the BORG scale of subjective perceived exhaustion.

Second 10 weeks participants are instructed not to change their dietary patterns or physical activity levels during the study period.
Eksperimentel: Control then exercise
Adfærdsmæssigt: Control

First 10 weeks participants are instructed not to change their dietary patterns or physical activity levels, and to continue their habitually lifestyle.

Second 10 week of high intensity interval training, twice a week. The interval training session consists of 10 minutes warm up at 70 percent of maximal heart rate and continues with 4 times 4 minutes of high intensity intervals at 90 to 95 percent of maximal heart rate separated by 3 minutes of active brakes in between at 70 percent of maximal heart rate. Training will be performed by cycling. Training intensity will be supervised through the use of polar puls monitors and the BORG scale of subjective perceived exhaustion.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Inflammatory markers in blood
Tidsramme: 10 weeks
C-reactive Protein (CRP), TNF-alfa, COMP, Pentraxin 3 using ELISA Whole-genome gene expression in blood cells using RNA(HumanHT-12 v4 Expression BeadChip)
10 weeks

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Endothelial function
Tidsramme: 10 weeks
Flow mediated dilatation (FMD).
10 weeks
quality of life
Tidsramme: 10 weeks
Questionnaire SF-36
10 weeks
HDL
Tidsramme: 10 weeks
Standard biochemical analysis procedure at St.Olavs hospital
10 weeks
Total Cholesterol
Tidsramme: 10 weeks
Standard biochemical analysis procedure at St.Olavs hospital
10 weeks
Blood glucose
Tidsramme: 10 weeks
Standard biochemical analysis procedure at St.Olavs hospital
10 weeks
whole-genome gene expression in blood cells
Tidsramme: 10 weeks
total RNA isolated from whole blood (Qiagen, Bioanalyzer, NanoDrop). Gene expression analysis on HumanHT-12 v4 Expression BeadChip.
10 weeks

Samarbejdspartnere og efterforskere

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

Sponsor

Norwegian University of Science and Technology

Efterforskere

  • Studieleder: Dorthe Stensvold

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

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. marts 2011

Primær færdiggørelse (Faktiske)

1. januar 2012

Studieafslutning (Faktiske)

1. maj 2012

Datoer for studieregistrering

Først indsendt

7. september 2011

Først indsendt, der opfyldte QC-kriterier

21. november 2011

Først opslået (Skøn)

23. november 2011

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

29. maj 2015

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

28. maj 2015

Sidst verificeret

1. maj 2015

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • RA-2011

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 .

Kliniske forsøg med Rheumatoid arthritis

Kliniske forsøg med high intensity interval training

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