dnaJ Peptide for Relieving Rheumatoid Arthritis
A Clinical Trial of Shared Epitope Peptides in Rheumatoid Arthritis (RA)
A small protein called dnaJ peptide may help people with rheumatoid arthritis (RA) by preventing their immune system cells from attacking their own tissues.
The purpose of this study is to determine if small amounts of dnaJ peptide can "re-educate" immune cells in people with RA so that the cells stop attacking joint tissues.
研究概览
详细说明
Immune modulation is a promising new approach for the treatment of RA. Studies have shown that immune cells in the joints of people in the early stages of RA react strongly against dnaJ peptides from bacteria. These immune cells may also cross-react with human dnaJ peptides in the joints to cause inflammation. dnaJ may help RA by "re-educating" the immune system and dampening the abnormal inflammatory immune response in RA.
This study will last 7 months. Participants will be randomly assigned to receive either dnaJ or placebo by mouth. At screening, participants will have medical history, physical, and medication assessment. At screening, at 6 study visits every month after the start of treatment, and at 1 month follow-up, participants will have a joint exam, blood and urine collection, and will fill out a questionnaire about their condition.
研究类型
介入性
注册 (实际的)
160
阶段
- 阶段2
联系人和位置
本节提供了进行研究的人员的详细联系信息，以及有关进行该研究的地点的信息。
学习地点
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Arizona
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Tucson、Arizona、美国、85724-5093
- University of Arizona Health Sciences Center
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California
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Orange、California、美国、92868
- University of California, Irvine Medical Center
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Palo Alto、California、美国、94305
- Stanford University
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Colorado
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Denver、Colorado、美国、80230
- Denver Arthritis Center
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Maryland
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Baltimore、Maryland、美国、21224
- Johns Hopkins University
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Minnesota
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Rochester、Minnesota、美国、55905
- Mayo Clinic
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Pennsylvania
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Sayre、Pennsylvania、美国、18840
- Guthrie Clinic
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Washington
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Seattle、Washington、美国、98104
- Virginia Mason Research Center
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参与标准
研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。
资格标准
适合学习的年龄
18年 至 85年 (成人、年长者)
接受健康志愿者
不
有资格学习的性别
全部
描述
Inclusion Criteria:
- Active rheumatoid arthritis as defined by the revised American College of Rheumatology (ACR) 1987 criteria. Evidence of active disease will be based on at least six swollen or nine tender joints.
- Diagnosis of rheumatoid arthritis of less than 5 years
- Reactivity to dnaJ
- Agree to use acceptable methods of contraception
- Able to understand and sign informed consent
Exclusion Criteria:
- Patients taking more 7.5 mg of prednisone or disease modifying agents other than hydrochloroquine or sulfasalazine (i.e., gold, penicillamine, azathioprine, cyclophosphamide, methotrexate, cyclosporine, or anti-TNF agents)
- Serum creatinine greater than 1.5 mg/dl
- SGOT less than SGPT
- Alkaline phosphatase greater than 2 times age/sex adjusted normal values
- Hematocrit of less than 30
- Platelets less than 130,000
- History of lymphoma
- Any active malignancy or cancer requiring treatment in the last 5 years, except for nonmelanoma skin cancers and carcinoma of the cervix in situ
- Medical or psychiatric condition or active serious infection
- Pregnant or breastfeeding
学习计划
本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。
研究是如何设计的？
设计细节
- 主要用途：治疗
- 分配：随机化
- 介入模型：并行分配
- 屏蔽：双倍的
武器和干预
参与者组/臂 |
干预/治疗 |
|---|---|
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安慰剂比较：A
Subjects randomized to arm A received 25mg/day po of placebo
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placebo was taken in pill form at 25mg/day for 6 months
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有源比较器：B
Subjects randomized to Arm B received 25mg/day po of peptide dnaJP1
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dnaJP1 was taken in pill form at 25mg/day for 6 months
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研究衡量的是什么？
主要结果指标
结果测量 |
大体时间 |
|---|---|
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Area under the curve or 'AUC' obtained by adding 0 for no response and 1 for an ACR 20 response for visits on Day 112, 140, and 168
大体时间：time points 112, 140 and 168 of the 6-month trial
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time points 112, 140 and 168 of the 6-month trial
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次要结果测量
结果测量 |
大体时间 |
|---|---|
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Day 112 ACR 20 score
大体时间：Visit day 112 of the 6-month trial
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Visit day 112 of the 6-month trial
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合作者和调查者
在这里您可以找到参与这项研究的人员和组织。
调查人员
- 首席研究员：Salvatore Albani, MD、University of California, San Diego
出版物和有用的链接
负责输入研究信息的人员自愿提供这些出版物。这些可能与研究有关。
一般刊物
- Prakken BJ, Samodal R, Le TD, Giannoni F, Yung GP, Scavulli J, Amox D, Roord S, de Kleer I, Bonnin D, Lanza P, Berry C, Massa M, Billetta R, Albani S. Epitope-specific immunotherapy induces immune deviation of proinflammatory T cells in rheumatoid arthritis. Proc Natl Acad Sci U S A. 2004 Mar 23;101(12):4228-33. doi: 10.1073/pnas.0400061101. Epub 2004 Mar 15.
- Koffeman EC, Genovese M, Amox D, Keogh E, Santana E, Matteson EL, Kavanaugh A, Molitor JA, Schiff MH, Posever JO, Bathon JM, Kivitz AJ, Samodal R, Belardi F, Dennehey C, van den Broek T, van Wijk F, Zhang X, Zieseniss P, Le T, Prakken BA, Cutter GC, Albani S. Epitope-specific immunotherapy of rheumatoid arthritis: clinical responsiveness occurs with immune deviation and relies on the expression of a cluster of molecules associated with T cell tolerance in a double-blind, placebo-controlled, pilot phase II trial. Arthritis Rheum. 2009 Nov;60(11):3207-16. doi: 10.1002/art.24916.
研究记录日期
这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。
研究主要日期
学习开始
1999年9月1日
研究完成
2004年9月1日
研究注册日期
首次提交
2000年1月21日
首先提交符合 QC 标准的
2000年1月21日
首次发布 (估计)
2000年1月24日
研究记录更新
最后更新发布 (估计)
2007年7月31日
上次提交的符合 QC 标准的更新
2007年7月30日
最后验证
2007年7月1日
更多信息
此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.