- ICH GCP
- Registre américain des essais cliniques
- Essai clinique NCT03178955
Circadian RA Study in Rheumatoid Arthritis Subjects
The Effects of Biologic Therapy With Disease Activity and Circadian Rhythm
Primary objective: To determine the changes in circadian activity rhythms and disease activity in rheumatoid arthritis (RA) patients from pre-treatment to one month after Enbrel initiation.
Secondary objectives:
- To determine if there is an association between changes in circadian rhythm and changes in disease activity in active RA after initiation of Enbrel
- To determine if the changes in circadian activity rhythms are associated with systemic inflammation in RA patients
- To determine changes in traditional sleep quality variables from pre-treatment to one month after Enbrel initiation in RA patients
Aperçu de l'étude
Statut
Les conditions
Intervention / Traitement
Description détaillée
Rheumatoid arthritis (RA) is a chronic and debilitating disease. However, the symptoms of RA show variation over the course of the day, with worsening symptoms in the morning. This worsening of symptoms in the morning is correlated with an increase in inflammation in the body.
Biologic therapies, such as Enbrel (etanercept), appear to improve energy, pain and quality of life in patients with RA, and these changes may occur before a doctor is able to detect changes during the patient's physical examination. It is possible that a patient's response to biological agents can be rapidly determined by assessing circadian activity (also called "rest-activity circadian rhythms" or RAR).
Currently, wrist actigraphy bands, which are worn for a period of time, can reliably provide information about RAR. Wrist actigraphy bands are small electronic devices worn on the wrist (similar to a watch) that records the subject's level of activity throughout the day. Studies in osteoarthritis and in rheumatoid arthritis have found subjects with joint pain to have significant differences in RAR, and disrupted RAR has been associated with disease activity.
This study will provide information about 24-hour circadian activity rhythms before and after 3-4 weeks of Enbrel treatment in study subjects with active rheumatoid arthritis. The study will assess patients who are starting on Enbrel that has been prescribed by their doctor.
Type d'étude
Contacts et emplacements
Lieux d'étude
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California
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Sacramento, California, États-Unis, 95817
- UC Davis Center for Musculoskeletal Health
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Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
Méthode d'échantillonnage
Population étudiée
La description
Inclusion Criteria:
- 6/28 tender and 6/28 swollen joints (e.g. active rheumatoid arthritis)
- CRP ≥ 1.5mg/L
- Insufficient response or intolerance to ≥1 disease modifying anti-rheumatic drug (DMARD) which must include methotrexate or hydroxychloroquine, or sulfasalazine or leflunomide and at stable dose for 4 weeks
- If taking Glucocorticoids, stable dose from 0-10mg a day for 2 weeks, and remain stable for the 4 week study
- Appropriate to start on a biologic agent for RA, as determined by patient's physician.
Exclusion Criteria:
- Prior use of a biologic agent for 4 weeks prior to the study
- Evidence of positive tuberculosis (TB) test, purified protein derivative (PPD) or Quantiferon or prophylactic treatment instituted 4 weeks before study, or hepatitis B core antibody
- No medical condition that would prevent completion of the study
Plan d'étude
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 |
|---|---|---|
|
change in pseudo F-statistic
Délai: 7 days before, 7 days after and 28-35 days after Enbrel treatment
|
indicator of overall robustness of circadian rhythm
|
7 days before, 7 days after and 28-35 days after Enbrel treatment
|
|
change in acrophase
Délai: 7 days before, 7 days after and 28-35 days after Enbrel treatment
|
time of daily peak circadian activity
|
7 days before, 7 days after and 28-35 days after Enbrel treatment
|
|
change in mesor
Délai: 7 days before, 7 days after and 28-35 days after Enbrel treatment
|
mean circadian rhythm
|
7 days before, 7 days after and 28-35 days after Enbrel treatment
|
|
change in amplitude
Délai: 7 days before, 7 days after and 28-35 days after Enbrel treatment
|
indicator of strength of circadian rhythm
|
7 days before, 7 days after and 28-35 days after Enbrel treatment
|
|
change in Disease Activity Score (DAS)
Délai: 7 days before, 7 days after and 28-35 days after Enbrel treatment
|
RA disease severity
|
7 days before, 7 days after and 28-35 days after Enbrel treatment
|
Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
change in sleep efficiency as assessed by wrist actigraphy
Délai: 7 days before, 7 days after and 28-35 days after Enbrel treatment
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an index of sleep fragmentation, percentage (%) of time spend sleeping after "lights off"
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7 days before, 7 days after and 28-35 days after Enbrel treatment
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|
change in general health visual analogue scale (VAS)
Délai: 7 days before, 7 days after and 28-35 days after Enbrel treatment
|
subject's general health
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7 days before, 7 days after and 28-35 days after Enbrel treatment
|
|
change in C-reactive protein (CRP)
Délai: 7 days before, 7 days after and 28-35 days after Enbrel treatment
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systemic inflammation
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7 days before, 7 days after and 28-35 days after Enbrel treatment
|
|
change in rheumatoid factor (RF)
Délai: 7 days before, 7 days after and 28-35 days after Enbrel treatment
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measures amount of rheumatoid factor present in the blood
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7 days before, 7 days after and 28-35 days after Enbrel treatment
|
|
change in sleep duration as assessed by wrist actigraphy
Délai: 7 days before, 7 days after and 28-35 days after Enbrel treatment
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how long (minutes) the subject sleeps 24 hour period
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7 days before, 7 days after and 28-35 days after Enbrel treatment
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Collaborateurs et enquêteurs
Parrainer
Les enquêteurs
- Chercheur principal: Nancy E Lane, M.D., UC Davis Center for Musculoskeletal Health
- Chercheur principal: Katie Stone, Ph.D., California Pacific Medical Center Research Institute
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude (Réel)
Achèvement primaire (Réel)
Achèvement de l'étude (Anticipé)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Réel)
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
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
- Maladies du système immunitaire
- Maladies auto-immunes
- Maladies articulaires
- Maladies musculo-squelettiques
- Maladies rhumatismales
- Maladies du tissu conjonctif
- Arthrite
- Arthrite, rhumatoïde
- Effets physiologiques des médicaments
- Agents du système nerveux périphérique
- Analgésiques
- Agents du système sensoriel
- Agents anti-inflammatoires non stéroïdiens
- Analgésiques, non narcotiques
- Agents anti-inflammatoires
- Agents antirhumatismaux
- Agents immunosuppresseurs
- Facteurs immunologiques
- Agents gastro-intestinaux
- Étanercept
Autres numéros d'identification d'étude
- 1023265
Plan pour les données individuelles des participants (IPD)
Prévoyez-vous de partager les données individuelles des participants (DPI) ?
Informations sur les médicaments et les dispositifs, documents d'étude
Étudie un produit pharmaceutique réglementé par la FDA américaine
Étudie un produit d'appareil réglementé par la FDA américaine
produit fabriqué et exporté des États-Unis.
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