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Study of Biomarkers of Airway Inflammation (0000-128)

2015年7月22日 更新者:Merck Sharp & Dohme LLC

A Randomized Clinical Trial to Assess the Effects of Inhaled Fluticasone on Sputum Neutrophils After Low-dose Inhaled Endotoxin Challenge in Healthy Subjects

This study will evaluate the effects of inhaled fluticasone on cell counts and inflammatory mediators measured in sputum of healthy volunteers following exposure to inhaled lipopolysaccharide.

研究概览

研究类型

介入性

注册 (实际的)

22

阶段

  • 阶段1

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 50年 (成人)

接受健康志愿者

是的

有资格学习的性别

全部

描述

Inclusion Criteria:

  • Female subjects who can have children must have a negative pregnancy test at screening and agree to use two methods of birth control throughout the study
  • Male subjects with female partner(s) who can have children agree to use an acceptable method of birth control throughout the study
  • Subject is a nonsmoker
  • Subject is in generally good health
  • Subject is willing to comply with the diet, alcohol, and caffeine study restrictions

Exclusion Criteria:

  • Subject is a nursing mother
  • Subject has taken oral corticosteroids within 8 weeks or inhaled/nasal corticosteroids within 4 weeks of screening
  • Subject has nasal polyps, recent nasal surgery, or an ongoing upper or lower respiratory tract infection
  • Subject has a recent history of allergic rhinitis at screening
  • Subject has any respiratory disease at screening
  • Subject has daily phlegm or a chronic cough
  • Subject is unable to refrain from the use of any prescription or non-prescription drugs or herbal remedies during the study
  • Subject consumes excessive amounts of alcohol or caffeine
  • Subject has had major surgery, or donated or lost 1 unit of blood within 4 weeks of screening
  • Subject has a history of stroke, seizures, or major neurological disorders
  • Subject regularly uses illicit drugs or has a history of drug/alcohol abuse
  • Subject received a vaccination within 3 weeks of screening

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:诊断
  • 分配:随机化
  • 介入模型:交叉作业
  • 屏蔽:双倍的

武器和干预

参与者组/臂
干预/治疗
安慰剂比较:1个
安慰剂
Single dose of placebo to fluticasone (9 x 0 mcg) by metered dose inhaler in one of three treatment periods
20,000 EU LPS by inhalation 1 hour postdose of fluticasone or placebo in each of three treatment periods
Albuterol two 100 mcg inhalations by metered dose inhaler prior to sputum induction at screening, twice during each of the three treatment periods, and at the post-study follow up visit.
有源比较器:2
Fluticasone 440 mcg
20,000 EU LPS by inhalation 1 hour postdose of fluticasone or placebo in each of three treatment periods
Albuterol two 100 mcg inhalations by metered dose inhaler prior to sputum induction at screening, twice during each of the three treatment periods, and at the post-study follow up visit.
Single dose of fluticasone 440 mcg (2 x 220 mcg) or 1980 mcg (9 x 220 mcg) by metered dose inhaler in two of three treatment periods
有源比较器:3
Fluticasone 1980 mcg
20,000 EU LPS by inhalation 1 hour postdose of fluticasone or placebo in each of three treatment periods
Albuterol two 100 mcg inhalations by metered dose inhaler prior to sputum induction at screening, twice during each of the three treatment periods, and at the post-study follow up visit.
Single dose of fluticasone 440 mcg (2 x 220 mcg) or 1980 mcg (9 x 220 mcg) by metered dose inhaler in two of three treatment periods

研究衡量的是什么?

主要结果指标

结果测量
大体时间
Sputum percent neutrophils
大体时间:6 hours following inhaled LPS challenge
6 hours following inhaled LPS challenge

次要结果测量

结果测量
大体时间
Sputum absolute neutrophils (per mL)
大体时间:6 hours following inhaled LPS challenge
6 hours following inhaled LPS challenge
Sputum levels of IL1beta and IL8
大体时间:6 hours following inhaled LPS challenge
6 hours following inhaled LPS challenge
Sputum mRNA expression levels of CD14 and IL1beta
大体时间:6 hours following inhaled LPS challenge
6 hours following inhaled LPS challenge

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。

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)

2009年9月1日

研究完成 (实际的)

2009年9月1日

研究注册日期

首次提交

2009年3月25日

首先提交符合 QC 标准的

2009年3月25日

首次发布 (估计)

2009年3月26日

研究记录更新

最后更新发布 (估计)

2015年7月23日

上次提交的符合 QC 标准的更新

2015年7月22日

最后验证

2015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.

Comparator: Placebo to fluticasone的临床试验

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