- ICH GCP
- Registro de ensaios clínicos dos EUA
- Ensaio 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
Visão geral do estudo
Descrição detalhada
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 estudo
Contactos e Locais
Locais de estudo
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California
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Sacramento, California, Estados Unidos, 95817
- UC Davis Center for Musculoskeletal Health
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Critérios de participação
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Método de amostragem
População do estudo
Descrição
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
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
|
change in pseudo F-statistic
Prazo: 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
Prazo: 7 days before, 7 days after and 28-35 days after Enbrel treatment
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time of daily peak circadian activity
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7 days before, 7 days after and 28-35 days after Enbrel treatment
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change in mesor
Prazo: 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
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change in amplitude
Prazo: 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)
Prazo: 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
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Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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change in sleep efficiency as assessed by wrist actigraphy
Prazo: 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)
Prazo: 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)
Prazo: 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)
Prazo: 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
Prazo: 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
Datas de registro do estudo
Datas Principais do Estudo
Início do estudo (Real)
Conclusão Primária (Real)
Conclusão do estudo (Antecipado)
Datas de inscrição no estudo
Enviado pela primeira vez
Enviado pela primeira vez que atendeu aos critérios de CQ
Primeira postagem (Real)
Atualizações de registro de estudo
Última Atualização Postada (Real)
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última verificação
Mais Informações
Termos relacionados a este estudo
Termos MeSH relevantes adicionais
- Doenças do sistema imunológico
- Doenças autoimunes
- Doenças articulares
- Doenças musculoesqueléticas
- Doenças Reumáticas
- Doenças do Tecido Conjuntivo
- Artrite
- Artrite, Reumatóide
- Efeitos Fisiológicos das Drogas
- Agentes do Sistema Nervoso Periférico
- Analgésicos
- Agentes do Sistema Sensorial
- Agentes anti-inflamatórios não esteróides
- Analgésicos, Não Narcóticos
- Antiinflamatórios
- Agentes Antirreumáticos
- Agentes imunossupressores
- Fatores imunológicos
- Agentes gastrointestinais
- Etanercepte
Outros números de identificação do estudo
- 1023265
Plano para dados de participantes individuais (IPD)
Planeja compartilhar dados de participantes individuais (IPD)?
Informações sobre medicamentos e dispositivos, documentos de estudo
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