- ICH GCP
- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico 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
Descripción general del estudio
Descripción detallada
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.
Tipo de estudio
Contactos y Ubicaciones
Ubicaciones de estudio
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California
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Sacramento, California, Estados Unidos, 95817
- UC Davis Center for Musculoskeletal Health
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Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Método de muestreo
Población de estudio
Descripción
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 de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
|
change in pseudo F-statistic
Periodo de tiempo: 7 days before, 7 days after and 28-35 days after Enbrel treatment
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indicator of overall robustness of circadian rhythm
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7 days before, 7 days after and 28-35 days after Enbrel treatment
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change in acrophase
Periodo de tiempo: 7 days before, 7 days after and 28-35 days after Enbrel treatment
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time of daily peak circadian activity
|
7 days before, 7 days after and 28-35 days after Enbrel treatment
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|
change in mesor
Periodo de tiempo: 7 days before, 7 days after and 28-35 days after Enbrel treatment
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mean circadian rhythm
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7 days before, 7 days after and 28-35 days after Enbrel treatment
|
|
change in amplitude
Periodo de tiempo: 7 days before, 7 days after and 28-35 days after Enbrel treatment
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indicator of strength of circadian rhythm
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7 days before, 7 days after and 28-35 days after Enbrel treatment
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change in Disease Activity Score (DAS)
Periodo de tiempo: 7 days before, 7 days after and 28-35 days after Enbrel treatment
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RA disease severity
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7 days before, 7 days after and 28-35 days after Enbrel treatment
|
Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
|
change in sleep efficiency as assessed by wrist actigraphy
Periodo de tiempo: 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)
Periodo de tiempo: 7 days before, 7 days after and 28-35 days after Enbrel treatment
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subject's general health
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7 days before, 7 days after and 28-35 days after Enbrel treatment
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change in C-reactive protein (CRP)
Periodo de tiempo: 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
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|
change in rheumatoid factor (RF)
Periodo de tiempo: 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
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change in sleep duration as assessed by wrist actigraphy
Periodo de tiempo: 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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Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Nancy E Lane, M.D., UC Davis Center for Musculoskeletal Health
- Investigador principal: Katie Stone, Ph.D., California Pacific Medical Center Research Institute
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio (Actual)
Finalización primaria (Actual)
Finalización del estudio (Anticipado)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Actual)
Actualizaciones de registros de estudio
Última actualización publicada (Actual)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Términos MeSH relevantes adicionales
- Enfermedades del sistema inmunológico
- Enfermedades autoinmunes
- Enfermedades Articulares
- Enfermedades musculoesqueléticas
- Enfermedades reumáticas
- Enfermedades del tejido conectivo
- Artritis
- Artritis Reumatoide
- Efectos fisiológicos de las drogas
- Agentes del sistema nervioso periférico
- Analgésicos
- Agentes del sistema sensorial
- Agentes antiinflamatorios no esteroideos
- Analgésicos no narcóticos
- Agentes antiinflamatorios
- Agentes antirreumáticos
- Agentes inmunosupresores
- Factores inmunológicos
- Agentes Gastrointestinales
- Etanercept
Otros números de identificación del estudio
- 1023265
Plan de datos de participantes individuales (IPD)
¿Planea compartir datos de participantes individuales (IPD)?
Información sobre medicamentos y dispositivos, documentos del estudio
Estudia un producto farmacéutico regulado por la FDA de EE. UU.
Estudia un producto de dispositivo regulado por la FDA de EE. UU.
producto fabricado y exportado desde los EE. UU.
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