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临床试验/NCT05313061
NCT05313061Unknown3 期

Effect of One-week Discontinuation of Methotrexate on Immunogenicity of COVID-19 Booster Vaccination in Patients With Rheumatoid Arthritis: A Randomized Pilot Study

Seoul National University Hospital1 个研究点 分布在 1 个国家目标入组 40 人开始时间: 2021年12月29日最近更新:
适应症
干预措施
相关药物

试验速览

阶段
3 期
入组人数
40
试验地点
1
主要终点
Covid-19 antibody titer before and after Covid-19 vacciation

研究概览

简要总结

To investigate the effect of MTX discontinuation for 1 week on vaccination response to Covid-19 booster vaccination in RA patients.

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Parallel
主要目的
Treatment
盲法
Single (Outcomes Assessor)

入排标准

年龄范围
19 Years 至 —(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • Males or females ≥ 19 years of age at time of consent
  • Have a diagnosis of RA per ACR criteria
  • Require methotrexate for RA treatment
  • Subject to a Covid-19 booster vaccination
  • Must understand and voluntarily sign an informed consent form including writing consent for data protection

排除标准

  • Pregnant or lactating females
  • Previous anaphylactic response to the vaccine components
  • Any other rheumatic disease such as systemic lupus erythematosus, mixed connective tissue disease, dermatomyositis/polymyositis, and vasculitis except for secondary Sjogren's disease
  • Any condition including laboratory abnormality which places the subject at unacceptable risk
  • Subjects who decline to participate

研究组 & 干预措施

MTX continue

Active Comparator

Group will continue MTX after vaccination

干预措施: MTX (Drug)

MTX 1 week hold

Experimental

Group will continue MTX for 1 week after vaccination

干预措施: MTX (Drug)

结局指标

主要结局

Covid-19 antibody titer before and after Covid-19 vacciation

时间窗: 2 weeks

Titer and geometric mean titers (GMTs) of neurolizing antibody after vaccination

次要结局

  • T cell activation after vaccination(2, 4, 16 weeks)
  • B cell activation after vaccination(2, 4, 16 weeks)

研究者

申办方类型
Other
责任方
Principal Investigator
主要研究者

Eun Bong Lee

Professor

Seoul National University Hospital

研究点 (1)

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