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Twenty-four Hour Movement Behaviors and Atherosclerotic Risk (PASSARO)

19. august 2026 oppdatert av: William Rodrigues Tebar, São Paulo State University

Physical Activity, Sleep and Sedentary Behavior on Atherosclerotic Risk Outcomes Among People With Rheumatoid Arthritis

This observational study aims to investigate how 24-hour movement behaviors are associated with atherosclerotic risk in adults with rheumatoid arthritis.

These behaviors include physical activity, sedentary behavior, and sleep.

The main questions it aims to answer are:

  • Are 24-hour movement behaviors, both individually and in combination, associated with indicators of atherosclerotic risk in adults with RA?
  • Do changes in 24-hour movement behaviors over 12 months relate to changes in indicators of atherosclerotic risk?

Participants will:

  • Wear activity monitors (accelerometers) continuously for 7 days to measure physical activity, sedentary behavior, and sleep.
  • Answer questionnaires about their health and lifestyle.
  • Undergo cardiovascular assessments, body composition measurements, physical fitness tests, and blood tests to measure lipid and inflammatory profile.
  • Return 12 months later for follow-up assessments.

The researchers hope this study will improve understanding of how daily movement behaviors influence cardiovascular health in people with rheumatoid arthritis. The findings may help inform future recommendations to promote healthier movement behaviors and improve cardiovascular risk management in this population.

Studieoversikt

Status

Rekruttering

Forhold

Detaljert beskrivelse

Rheumatoid arthritis (RA) is a chronic autoimmune inflammatory disease associated with a substantially increased risk of cardiovascular disease. This increased risk is only partially explained by traditional cardiovascular risk factors and is also influenced by persistent systemic inflammation, immune dysregulation, disease activity, functional impairment, and long-term pharmacological treatment. Consequently, identifying modifiable factors that contribute to cardiovascular health has become an important priority in the management of RA.

The physical activity, sedentary behavior, and sleep are recently recognized as interdependent components of the 24-hour movement behavior pattern, due to share the finite 24 hours available each day, so that spending more time in one behavior necessarily means spending less time in another. This perspective has led to analytical approaches that evaluate the composition of daily movement behaviors rather than considering each behavior separately. Although this framework has been widely investigated in the general population, longitudinal evidence in adults with rheumatoid arthritis remains limited.

This prospective cohort study was designed to investigate both cross-sectional and longitudinal associations between 24-hour movement behaviors and indicators of atherosclerotic risk over a 12-month follow-up period. Participants will undergo to evaluations at baseline and after 12 months, allowing to investigate about how the changes in movement behaviors relate to changes in vascular health over time.

Movement behaviors will be assessed objectively using triaxial accelerometers by providing objective information on physical activity, sedentary behavior, and sleep. Questionnaires will complement these measurements by capturing participants information about the health, disease and lifestyle characteristics. Cardiovascular evaluation will integrate complementary structural and functional measures of vascular health to provide a comprehensive assessment of atherosclerotic risk. Additional assessments will include blood biomarkers, body composition, physical fitness, disease-related characteristics, medication use, and traditional cardiovascular risk factors. These measures will provide a comprehensive characterization of the study population and will be considered when investigating the relationship between movement behaviors and cardiovascular health.

The analytical strategy will combine traditional multivariable regression models with compositional data analysis and time-reallocation models, that will account for the interdependent nature of physical activity, sedentary behavior, and sleep and how are associated with cardiovascular health.

This study is expected to provide one of the first prospective evaluations of the relationship between 24-hour movement behaviors and atherosclerotic risk in adults with rheumatoid arthritis. By integrating objective movement behavior assessment with comprehensive cardiovascular phenotyping, the findings may contribute to future lifestyle recommendations and strategies to improve cardiovascular risk management in this population.

Studietype

Observasjonsmessig

Registrering (Antatt)

150

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

  • Navn: William R Tebar, PhD
  • Telefonnummer: 551832295729
  • E-post: w.tebar@unesp.br

Studer Kontakt Backup

  • Navn: William R Tebar, PhD
  • Telefonnummer: 55183229-5729
  • E-post: w.tebar@unesp.br

Studiesteder

  • Brasil
    • São Paulo
      • Presidente Prudente, São Paulo, Brasil, 19060900
        • Rekruttering
        • São Paulo State University
        • Ta kontakt med:

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Prøvetakingsmetode

Ikke-sannsynlighetsprøve

Studiepopulasjon

The study population will consist of adults with a medical diagnosis of rheumatoid arthritis. Participants will be recruited through rheumatology clinics, healthcare services, hospitals, rehabilitation centers, patient support groups, and community outreach initiatives. The recruitment strategy is intended to include individuals with diverse socioeconomic backgrounds, disease durations, and levels of disease severity, thereby enhancing the representativeness of the study population.

Beskrivelse

Inclusion Criteria:

  • Medical diagnosis of rheumatoid arthritis.
  • Age between 18 and 65 years.
  • Provide written informed consent.
  • Independence in daily living activities defined as a Katz Index score of 5 or 6 points.

Exclusion Criteria:

  • Acute infectious disease at the time of assessment.
  • Pregnancy or breastfeeding.
  • Cognitive impairment identified by the Mini-Mental State Examination according to established cutoff values.
  • History of cardiovascular disease, including coronary artery disease, cerebrovascular disease, peripheral arterial disease, rheumatic heart disease, congenital heart disease, deep vein thrombosis, or pulmonary embolism.
  • Use of uncontrolled vasoactive medication.
  • Inability to comply with accelerometer wear requirements.
  • Inability to complete study questionnaires or physical assessments.
  • Invalid accelerometer data according to the study wear-time criteria.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Pulse wave velocity (PWV)
Tidsramme: Baseline and 1-year follow up
Pulse wave velocity (m/s), measured using a cuff-based oscillometric device as an indicator of arterial stiffness.
Baseline and 1-year follow up
Augmentation index (AIx)
Tidsramme: Baseline and 1-year follow-up
Augmentation index (%), measured using a cuff-based oscillometric device as an indicator of arterial wave reflection and arterial stiffness.
Baseline and 1-year follow-up
Central systolic blood pressure (cSBP)
Tidsramme: Baseline and 1-year follow-up
Central systolic blood pressure (mmHg), estimated using a cuff-based oscillometric device as an indicator of central arterial pressure.
Baseline and 1-year follow-up

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Heart rate variability
Tidsramme: Baseline and 1-year follow-up
Heart rate variability will be assessed from beat-to-beat heart rate recordings obtained under standardized resting conditions as an indicator of cardiac autonomic function. This recording will provide the standard deviation of normal-to-normal intervals (SDNN, ms), root mean square of successive differences (RMSSD, ms), low-frequency to high-frequency power ratio (LF/HF ratio), and triangular index.
Baseline and 1-year follow-up
Peripheral blood pressure
Tidsramme: Time Frame: Baseline and 1-year follow-up
Peripheral systolic and diastolic blood pressure (mmHg) will be measured using a validated cuff-based oscillometric device.
Time Frame: Baseline and 1-year follow-up
Coronary artery calcium score
Tidsramme: Baseline
Coronary artery calcium score (Agatston units) will be assessed by computed tomography as a marker of coronary atherosclerotic burden.
Baseline
Carotid intima-media thickness (cIMT)
Tidsramme: Baseline
Carotid intima-media thickness (mm) will be assessed by ultrasonography as a marker of subclinical atherosclerosis.
Baseline
Carotid atherosclerotic plaque
Tidsramme: Baseline
The presence of carotid atherosclerotic plaque will be assessed by ultrasonography. The plaque score will be provided by accounting the number of arterial sites with presence of plaque.
Baseline

Andre resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Blood lipid profile
Tidsramme: Baseline and 1-year follow-up
Blood lipid profile will include total cholesterol (mg/dL), high-density lipoprotein cholesterol (HDL-C, mg/dL), low-density lipoprotein cholesterol (LDL-C, mg/dL), and triglycerides (mg/dL) measured from fasting blood samples.
Baseline and 1-year follow-up
High-sensitivity C-reactive protein (hs-CRP)
Tidsramme: Baseline and 1-year follow-up
High-sensitivity C-reactive protein (hs-CRP, mg/L) will be measured from fasting blood samples as a marker of systemic inflammation.
Baseline and 1-year follow-up

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

São Paulo State University

Etterforskere

  • Hovedetterforsker: William R Tebar, PhD, São Paulo State University

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Generelle publikasjoner

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

1. september 2026

Primær fullføring (Antatt)

30. juni 2027

Studiet fullført (Antatt)

30. juni 2028

Datoer for studieregistrering

Først innsendt

5. juni 2026

Først innsendt som oppfylte QC-kriteriene

17. august 2026

Først lagt ut (Faktiske)

19. august 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

20. august 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

19. august 2026

Sist bekreftet

1. august 2026

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • 94710225.0.0000.5402

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

IPD-planbeskrivelse

Individual participant data (IPD) will not be shared due to privacy and confidentiality considerations. Study findings will be reported in aggregate form through scientific publications and presentations.

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

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