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

19 août 2026 mis à jour par: 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.

Aperçu de l'étude

Statut

Recrutement

Les conditions

Description détaillée

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.

Type d'étude

Observationnel

Inscription (Estimé)

150

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Coordonnées de l'étude

  • Nom: William R Tebar, PhD
  • Numéro de téléphone: 551832295729
  • E-mail: w.tebar@unesp.br

Sauvegarde des contacts de l'étude

  • Nom: William R Tebar, PhD
  • Numéro de téléphone: 55183229-5729
  • E-mail: w.tebar@unesp.br

Lieux d'étude

  • Brésil
    • São Paulo
      • Presidente Prudente, São Paulo, Brésil, 19060900
        • Recrutement
        • São Paulo State University
        • Contact:
          • William R Tebar, PhD
          • Numéro de téléphone: 551832295729
          • E-mail: w.tebar@unesp.br

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

  • Adulte
  • Adulte plus âgé

Accepte les volontaires sains

Non

Méthode d'échantillonnage

Échantillon non probabiliste

Population étudiée

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.

La description

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.

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Pulse wave velocity (PWV)
Délai: 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)
Délai: 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)
Délai: 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

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Heart rate variability
Délai: 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
Délai: 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
Délai: 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)
Délai: Baseline
Carotid intima-media thickness (mm) will be assessed by ultrasonography as a marker of subclinical atherosclerosis.
Baseline
Carotid atherosclerotic plaque
Délai: 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

Autres mesures de résultats

Mesure des résultats
Description de la mesure
Délai
Blood lipid profile
Délai: 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)
Délai: 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

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Parrainer

São Paulo State University

Les enquêteurs

  • Chercheur principal: William R Tebar, PhD, São Paulo State University

Publications et liens utiles

La personne responsable de la saisie des informations sur l'étude fournit volontairement ces publications. Il peut s'agir de tout ce qui concerne l'étude.

Publications générales

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude (Estimé)

1 septembre 2026

Achèvement primaire (Estimé)

30 juin 2027

Achèvement de l'étude (Estimé)

30 juin 2028

Dates d'inscription aux études

Première soumission

5 juin 2026

Première soumission répondant aux critères de contrôle qualité

17 août 2026

Première publication (Réel)

19 août 2026

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

20 août 2026

Dernière mise à jour soumise répondant aux critères de contrôle qualité

19 août 2026

Dernière vérification

1 août 2026

Plus d'information

Termes liés à cette étude

Mots clés

Termes MeSH pertinents supplémentaires

Autres numéros d'identification d'étude

  • 94710225.0.0000.5402

Plan pour les données individuelles des participants (IPD)

Prévoyez-vous de partager les données individuelles des participants (DPI) ?

NON

Description du régime IPD

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.

Informations sur les médicaments et les dispositifs, documents d'étude

Étudie un produit pharmaceutique réglementé par la FDA américaine

Non

Étudie un produit d'appareil réglementé par la FDA américaine

Non

Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .

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