Trial of a Physical Activity Intervention for RA Fatigue
Randomized Controlled Trial of a Physical Activity Intervention for RA Fatigue
The major goal of this project is to conduct a randomized, controlled trial of the impact of a practical, low cost physical activity intervention on fatigue among persons with rheumatoid arthritis (RA). Fatigue has been identified as a major concern for individuals with RA, and is considered a core outcome measure for RA. Our recent study of the sources of fatigue identified physical inactivity as a primary predictor of fatigue. Studies have examined the impact of exercise interventions on RA outcomes, but most of these interventions have focused on pain or function as outcomes. The few exercise studies examining fatigue suggest that increasing physical activity reduces fatigue, but the interventions have been resource-intensive, requiring specially trained personnel to administer them, highly structured activities, and/or attendance at classes or a specified facility. Each of these components increases the cost and barriers to implementation of an intervention. Pedometers have been shown to be an effective means of increasing physical activity, and could form the basis of a simple means to increase physical activity.
This project will test the effect of a simple pedometer-based intervention, with two incremental degrees of guidance, on increasing physical activity and decreasing fatigue. Three groups (n=40 in each) will be studied: a control group with an educational pamphlet only, a pedometer-only intervention group, and a pedometer group with step targets. Both intervention groups will keep step-count diaries. Groups will be followed over 20 weeks. We expect that (1) the pedometer-only intervention group will increase activity more than the education group, and the group with step-count targets will demonstrate even greater increases in activity; and (2) greater increases in activity will be associated with greater decreases in fatigue. Secondary outcome measures will include depressive symptoms, self-reported sleep quality, and body composition. Our overall goal is to demonstrate an effective, yet simple and low cost, physical activity intervention to decrease fatigue that could be broadly accessible and have the potential for wide implementation.
Aperçu de l'étude
Statut
Les conditions
Intervention / Traitement
Type d'étude
Inscription (Réel)
Phase
- N'est pas applicable
Contacts et emplacements
Lieux d'étude
-
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California
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San Francisco, California, États-Unis, 94118
- University of California, San Francisco
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-
Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
La description
Inclusion Criteria:
- Physicians' diagnosis of RA
- English verbal fluency
- Residence in the greater San Francisco Bay Area
- Score ≥20 on 10-item PROMIS fatigue scale, or at least one item rated "often"
- BMI ≥ 20 kg/m2
Exclusion Criteria:
- Currently engaging in regular exercise
- Non-ambulatory or presence of a condition or comorbid disease that would limit the ability to engage in walking (e.g., foot deformities, lower extremity joint surgery upcoming or in past 6 months, myocardial infarction in past 6 months, stroke, congestive heart failure, severe chronic obstructive pulmonary disease).
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Traitement
- Répartition: Randomisé
- Modèle interventionnel: Affectation parallèle
- Masquage: Seul
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
|---|---|
|
Expérimental: Pedometer only
This group will receive the educational booklet and discussion, plus a pedometer and a diary to record their daily step counts from the pedometer.
Participants will be shown how to wear the pedometer, and instructed to wear it from the time they get out of bed in the morning until they go to bed at night, except while showering or bathing.
(If any subjects begin a swimming- or cycling-based activity program, we will ask them to remove the pedometer at that time but track the time they are in the water.
Step counts will be adjusted to account for this time by adding 150 steps for every minute engaged in swimming and/or cycling.)
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Will receive the educational booklet and discussion, plus a pedometer and a diary to record their daily step counts from the pedometer.
Will receive the educational booklet ("Be Active Your Way: A guide for Adults"; http://www.health.gov/paguidelines/adultguide/default.aspx).and
a discussion of simple ways to increase physical activity in daily life based on the booklet, following the baseline assessment.
|
|
Expérimental: Pedometer + step count goals
Pedometer + step goals.
This group will receive the educational booklet and discussion, and the pedometer and step diary, plus will be given individualized daily step targets.
|
Will receive the educational booklet and discussion, plus a pedometer and a diary to record their daily step counts from the pedometer.
Will receive the educational booklet ("Be Active Your Way: A guide for Adults"; http://www.health.gov/paguidelines/adultguide/default.aspx).and
a discussion of simple ways to increase physical activity in daily life based on the booklet, following the baseline assessment.
Will receive the educational booklet and discussion, and the pedometer and step diary, plus will be given individualized daily step targets.
|
|
Autre: Education materials
Educational materials.
This group will receive the educational booklet ("Be Active Your Way: A guide for Adults"; http://www.health.gov/paguidelines/adultguide/default.aspx).and
a discussion of simple ways to increase physical activity in daily life based on the booklet, following the baseline assessment.
They will receive follow-up contact at the same time points as the intervention groups, although the Week 0 and Week 1 contacts will be by phone instead of in-person and the content of contacts will be different.
|
Will receive the educational booklet ("Be Active Your Way: A guide for Adults"; http://www.health.gov/paguidelines/adultguide/default.aspx).and
a discussion of simple ways to increase physical activity in daily life based on the booklet, following the baseline assessment.
|
Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Délai |
|---|---|
|
PROMIS Fatigue scale
Délai: change from baseline fatigue score at 20 weeks
|
change from baseline fatigue score at 20 weeks
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Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
Patient Health Questionnaire-9 (PHQ-9)
Délai: change from baseline PHQ-9 score at 20 weeks
|
depressive symptoms
|
change from baseline PHQ-9 score at 20 weeks
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Pittsburg Sleep Quality Index (PSQI)
Délai: Change from baseline PSQI score at 20 weeks
|
self-reported sleep quality
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Change from baseline PSQI score at 20 weeks
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Change in weight
Délai: Change from baseline weight at 20 weeks
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Change from baseline weight at 20 weeks
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Collaborateurs et enquêteurs
Parrainer
Les enquêteurs
- Chercheur principal: Patricia Katz, PhD, University of California, San Francisco
Publications et liens utiles
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude
Achèvement primaire (Réel)
Achèvement de l'étude (Réel)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Estimation)
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Estimation)
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Plus d'information
Termes liés à cette étude
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
- CA-0047102
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