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临床试验/NCT01040715
NCT01040715已完成2 期

A Phase II, Randomized, Double-blind, Controlled Study to Evaluate the Immune Responses, Safety and Clinical Efficacy of Three Doses of Neovacs' TNF-Kinoid in Adult Patients With Rheumatoid Arthritis Who Have Relapsed Despite Anti-TNFα Biological Therapy

Neovacs48 个研究点 分布在 7 个国家目标入组 40 人开始时间: 2009年12月1日最近更新:
适应症
干预措施

试验速览

阶段
2 期
状态
已完成
发起方
Neovacs
入组人数
40
试验地点
48
主要终点
Proportion of patients with at least a 3-fold increase in antibody response to TNFa vs baseline at day 38

研究概览

简要总结

The objective of this trial is to demonstrate that active immunization with anti-TNFα kinoid (TNF-K) is able to induce polyclonal anti-TNFα antibodies in RA patients who were previously treated with anti-TNFα mAb but have lost susceptibility to therapy.

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
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)

入排标准

年龄范围
18 Years 至 70 Years(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • Diagnosis of RA according to the revised 1987 criteria of the American College of Rheumatology (ACR) (Arnett 1988) since at least six months prior to first study product administration.
  • Male or female between 18 and 70 years of age at the time of the first immunization
  • Active RA disease as evidenced by a Disease Activity Score 28 (DAS 28) ≥ 3.
  • Current or past treatment with an anti-TNF antagonist (infliximab, adalimumab,etanercept, certolizumab, golimumab).
  • A wash-out period before the first administration of the study product of at least ten weeks since the last administration of certolizumab or golimumab; at least eigth weeks since the last administration of infliximab; at least four weeks since the last administration of adalimumab or etanercept
  • History of positive response defined as an ACR20 or DAS 28 decrease ≥ 1.2 or by the investigator opinion with previous TNFα antagonist treatment.
  • Secondary treatment failure to maximum one previous TNFα antagonist treatment as defined by:
  • Investigator opinion. OR
  • DAS28 increase ≥ 0.6 during the last six months. OR
  • Decrease in European League Against Rheumatoid (EULAR) score.
  • Written informed consent .

排除标准

  • Treatment with non-biological DMARDs within four weeks prior to first study product administration. MTX is allowed provided it is administered at as table dosage < ou = 20 mg/week since at least 4 weeks.
  • Treatment with any rheumatoid arthritis biological therapy other than TNFα antagonists at any time prior to first study product administration.
  • Administration of high doses of intra-articular corticosteroids for the treatment of an acute mono-arthritis (eg knee) within 3 months prior to first study product administration. High dose of corticosteroids is defined as > 50 mg triamcinolone or equivalent.
  • History of documented severe bacterial infection within 28 days prior to first immunization
  • History of primary resistance or intolerance to any TNFα antagonist.
  • History of or current congestive heart failure, controlled or not.
  • Corticosteroids (prednisone or equivalent, < ou = 10 mg per day) are allowed if they are administered at stable dosage since at lesat 4 weeks prior to the first immunization. Inhaled and topical steroids are allowed.
  • Known history of tuberculosis (TB).
  • Suspicion of TB at chest X-rays at screening or within three months prior to first administration of study product.
  • Suspicion of latent or active tuberculosis as defined by :
  • Positive Mantoux/Purified Protein Derivative (PPD)test (> ou = 5mm induration measured 48 to 72 hours after intradermal injection of tuberculin) at screening or within 30 days prior to first administration of study product.
  • and/or positive interferon-γ (IFN γ) TB diagnostic test (as measured by the ELISpot method) at screening or within three months prior to first administration of study product.
  • Positive for HIV, HCV or HBV including HBsAg and anti-HBc antibodies.
  • Use of any investigational or non-registered product (drug or vaccine).
  • Administration of any live vaccine within three months prior to study entry
  • Any confirmed or suspected immunosuppressive or immunodeficient condition.

研究组 & 干预措施

TNFa Kinoid dose 2

Experimental

干预措施: TNFa Kinoid (Biological)

TNFa Kinoid dose 2

Experimental

干预措施: TNF kinoid (Biological)

TNFa Kinoid dose 3

Experimental

干预措施: TNFa Kinoid (Biological)

TNFa Kinoid dose 3

Experimental

干预措施: TNF kinoid (Biological)

TNFa Kinoid dose 1

Experimental

干预措施: TNFa Kinoid (Biological)

TNFa Kinoid dose 1

Experimental

干预措施: TNF kinoid (Biological)

结局指标

主要结局

Proportion of patients with at least a 3-fold increase in antibody response to TNFa vs baseline at day 38

时间窗: Day 38

次要结局

  • Proportion of patients with a decrease of at least 1.2 in DAS28 at month 3 vs baseline(3 months)

研究者

发起方
Neovacs
申办方类型
Industry
责任方
Sponsor

研究点 (48)

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