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Safety and Immunogenicity Study of Recombinant Thrombin (rThrombin) in Pediatric Participants

2012年1月25日 更新者：ZymoGenetics

A Phase 4, Open-Label, Single-Group Safety and Immunogenicity Study of RECOTHROM® (rThrombin) in Pediatric Subjects Undergoing Synchronous Burn Wound Excision and Skin Grafting

The objective of this study is to assess the safety and immunogenicity of recombinant thrombin (rThrombin) administered as an aid to hemostasis during burn wound excision and skin grafting in pediatric patients, newborn through 17 years of age.

研究概览

地位

完全的

条件

干预/治疗

详细说明

The safety, immunogenicity, and efficacy of rThrombin have been evaluated in 5 Phase 2 studies, 1 pivotal Phase 3 study, and 1 Phase 3b study, in surgical indications such as: spinal surgery, major hepatic resection, peripheral arterial bypass surgery, arteriovenous graft formation for hemodialysis access, and burn wound excision. Limited data currently exist on the effects of rThrombin exposure in pediatric patients. This Phase 4 trial aims to provide additional information on the use of rThrombin in children by evaluating the drug's safety and immunogenicity when administered as an aid to hemostasis during burn wound excision and skin grafting in pediatric burn patients.

研究类型

介入性

注册 (实际的)

30

阶段

  • 第四阶段

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

  • 美国
    • Arizona
      • Phoenix、Arizona、美国、85008
        • Arizona Burn Center

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

不超过 17年 (孩子)

接受健康志愿者

不

有资格学习的性别

全部

描述

Inclusion Criteria:

  • Age of newborn through 17 years at time of enrollment
  • At least 1 skin graft recipient site measuring at least 1% of total body surface area (TBSA)
  • Total initial burn wounds estimated to measure less than 40% of TBSA
  • Bleeding indicating treatment with rThrombin during the surgical procedure
  • Females of child-bearing potential must have a negative urine or serum pregnancy test within 2 days prior to study-drug treatment
  • informed consent document signed by legal representative (guardian) and approved by an institutional review board/independent ethics committee (IRB/IEC)
  • Participant has signed an IRB/IEC-approved pediatric assent document, if applicable

Exclusion Criteria:

  • Gestational age younger than 36 weeks at birth (for infants younger than 2 years)
  • Documented active infection at the graft recipient site (participants with resolved infections at potential graft recipient sites are not excluded)
  • Acute inhalation injury, as defined by bronchoscopic evidence of lower airway injury
  • Currently undergoing autologous skin grafting for ischemic ulcer disease or cutaneous malignancies
  • Presence of antibodies or hypersensitivity to the study drug or any of its components, other thrombin preparations, or coagulation factors
  • Transfusion of whole blood, fresh frozen plasma, cryoprecipitate, or platelets within 24 hours prior to study-drug treatment (packed red blood cell transfusions are allowed)
  • History of HIV infection or other immunodeficiency syndrome or is taking immunosuppressive or antirejection medications
  • Medical, social, or psychosocial factors that, in the opinion of the investigator, could affect safety or compliance with study procedures
  • Breastfeeding or being breastfed
  • Treatment with any experimental agent within 30 days of study enrollment or treatment

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：不适用
  • 介入模型：单组作业
  • 屏蔽：无（打开标签）

武器和干预

参与者组/臂
干预/治疗
实验性的：Recombinant thrombin (rThrombin), 1000 IU/mL
生物：rThrombin, 1000 IU/mL
rThrombin,1000 IU/mL, 1000 IU/mL, applied topically to the bleeding site during a single surgery procedure on Day 1.
其他名称：
  • 瑞康

研究衡量的是什么？

主要结果指标

结果测量
措施说明
大体时间
Number of Participants With Death, Serious Adverse Events, Treatment-related Adverse Events (AE), AEs Leading to Discontinuation, and AEs of Hypersensitivity
大体时间：Days 1 through 29, continuously
An AE is any new unfavorable symptom, sign, or disease or worsening of a preexisting condition that does not necessarily have a causal relationship with treatment. An SAE is any unfavorable medical event that at any dose results in death, persistent or significant disability/incapacity, or drug dependency or abuse; is life-threatening, an important medical event, or a congenital anomaly/birth defect; or requires or prolongs hospitalization. Treatment-related=possibly, probably, or certainly related to and of unknown relationship to study treatment
Days 1 through 29, continuously
Number of Participants With AEs by Maximum Severity
大体时间：Days 1 through 29, continuously
An AE is any new unfavorable symptom, sign, or disease or worsening of a preexisting condition that does not necessarily have a causal relationship with treatment. Mild=asymptomatic or minor symptoms; intervention not indicated. Moderate=requiring only minimal, local, or noninvasive intervention. Severe=significant symptoms but not life-threatening; hospitalization or invasive intervention indicated. Life-threatening=indicating intensive care or urgent invasive intervention.
Days 1 through 29, continuously
Number of Participants With Clinical Laboratory Findings of Grade O or Higher in Platelet, White Blood Cell (WBC), Lymphocyte, and Neutrophil Counts
大体时间：Baseline and Day 29 from Baseline
Abnormal laboratory findings were recorded as AEs when considered clinically significant (unusual for the surgical population or individual participant) by the investigator, when associated with symptoms, when requiring specific treatment, or when requiring a change in participant management.LLN=lower level of normal. Platelets: Grade 0=normal. WBC: Grade 0=normal. Lymphocytes: Grade 0=normal; Grade 1=<LLN x 0.8-10^9/L. Neutrophils: Grade 0=normal; Grade 1=<LLN-1.5x10^9/L; Grade 2=<1.5-1.0x10^9/L
Baseline and Day 29 from Baseline
Number of Participants With Clinical Laboratory Findings of Grade 0 or Higher in Hemoglobin Levels
大体时间：Baseline and Day 29 from Baseline
LLN=lower level of normal. Grade 1=100 g/L to <LLN; Grade 2=80 to <100 g/L; Grade 3=65 to <80 g/L; Grade 4=<65 g/L.
Baseline and Day 29 from Baseline
Number of Participants With Clinical Laboratory Findings of Grade 0 or Higher in Creatinine Levels
大体时间：Baseline and Day 29 from Baseline
ULN=upper level of normal. Grade 0=normal; Grade 1=>ULN to 1.5 x ULN.
Baseline and Day 29 from Baseline
Number of Participants With Elevations in the Coagulation Parameter of Activated Partial Thromboplastin Time (aPPT)of Grade 0 or Higher
大体时间：Baseline and Day 29 from Baseline
ULN=upper limit of normal. Grade 0=normal; Grade 1=ULN to 1.5 x ULN.
Baseline and Day 29 from Baseline
Number of Participants With a High International Normalized Ratio (INR) of Prothrombin Time of Grade 0 or Higher
大体时间：Baseline and Day 29 from Baseline
Grade 0=normal.
Baseline and Day 29 from Baseline

次要结果测量

结果测量
措施说明
大体时间
Number of Participants WIth Positive Findings for Anti-rThrombin Product Antibody
大体时间：At Day 29
Antibody-positive was defined as seroconversion or ≥1.0 unit (≥10-fold) increase in titer compared with antibody titer at baseline.
At Day 29

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。

赞助

ZymoGenetics

调查人员

  • 首席研究员：Kevin Foster, MD、Arizona Burn Center

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

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

2009年3月1日

初级完成 (实际的)

2010年1月1日

研究完成 (实际的)

2010年1月1日

研究注册日期

首次提交

2009年3月9日

首先提交符合 QC 标准的

2009年3月10日

首次发布 (估计)

2009年3月11日

研究记录更新

最后更新发布 (估计)

2012年1月26日

上次提交的符合 QC 标准的更新

2012年1月25日

最后验证

2012年1月1日

更多信息

与本研究相关的术语

其他相关的 MeSH 术语

其他研究编号

  • 499H01

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.

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