A Study in Benign Prostatic Hyperplasia
2013年3月27日 更新者：Eli Lilly and Company
A Randomized, Double Blind, Placebo-controlled Study to Evaluate the Effect of Tadalafil Once Daily for 8 Weeks on Prostatic Blood Flow and Perfusion Parameters in Men With Signs and Symptoms of Benign Prostatic Hyperplasia
The purpose of this trial is to evaluate the effect of tadalafil 5 milligrams (mg) daily for 8 weeks compared to placebo on prostatic blood perfusion in men with signs and symptoms of Benign Prostatic Hyperplasia (BPH), measured by resistive index (RI) in the prostate transition zone.
研究概览
研究类型
介入性
注册 (实际的)
97
阶段
- 第三阶段
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
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Innsbruck、奥地利、6020
- For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
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Bergamo、意大利、24128
- For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
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Illinois
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Chicago、Illinois、美国、60611
- For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
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New York
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Garden City、New York、美国、11530
- For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
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New York、New York、美国、10016
- For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
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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
45年 及以上 (成人、年长者)
接受健康志愿者
不
有资格学习的性别
男性
描述
Inclusion Criteria
- Present with benign prostatic hyperplasia
- Provide signed informed consent at the screening
- Agree not to use other treatment for Benign Prostatic Hyperplasia, Erectile Dysfunction or Overactive Bladder (including herbal treatments) during the study
Exclusion Criteria
- Have prostatic cancer or are being treated for cancer.
- Any condition that may negatively influence the transrectal ultrasound.
- Are being treated for heart disease with any drug that is called a nitrate (for example, nitroglycerin).
- Any evidence of moderate to severe cardiac disease
- Have had any of the following in the past 90 days: chest pain (called unstable angina or angina) that requires treatment, heart attack also known as myocardial infarction, heart bypass surgery (called coronary artery bypass graft surgery), had a procedure to open up blood vessels in the heart know as angioplasty or stent placement (percutaneous coronary intervention), positive cardiac stress test without effective cardiac intervention.
- Have very high or very low blood pressure.
- Have uncontrolled diabetes.
- Have certain problems with your kidneys, liver, or nervous system.
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：基础科学
- 分配：随机化
- 介入模型：并行分配
- 屏蔽：三倍
武器和干预
参与者组/臂 |
干预/治疗 |
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安慰剂比较：安慰剂
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Administered orally, once daily for 8 weeks
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实验性的：5 milligrams (mg) Tadalafil
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Administered orally, once daily for 8 weeks
其他名称：
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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 |
|---|---|---|
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Change From Baseline to 8-Week Endpoint in Arterial Resistive Index (RI) in the Prostate Transition Zone
大体时间：Baseline, Week 8
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Arterial RI was a measure of vascular resistance using Doppler ultrasound.
RI was the ratio of (peak systolic velocity - end diastolic velocity)/peak systolic velocity, and increased as resistance to blood flow increased.
The least squares (LS) mean was estimated from a mixed-effects model with repeated measures (MMRM) that included fixed effects for treatment, region, visit, and treatment-by-visit interaction, baseline as a covariate, a random effect of participant within treatment, and an unstructured covariance matrix.
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Baseline, Week 8
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次要结果测量
结果测量 |
措施说明 |
大体时间 |
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Change From Baseline to 4-Week Endpoint in Arterial Resistive Index (RI) in the Prostate Transition Zone
大体时间：Baseline, Week 4
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Arterial RI was a measure of vascular resistance using Doppler ultrasound.
RI was the ratio of (peak systolic velocity - end diastolic velocity)/peak systolic velocity, and increased as resistance to flow increased.
The least squares (LS) mean was estimated from a mixed-effects model with repeated measures (MMRM) that included fixed effects for treatment, region, visit, and treatment-by-visit interaction, baseline as a covariate, a random effect of participant within treatment, and an unstructured covariance matrix.
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Baseline, Week 4
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Change From Baseline to 4 and 8 Weeks in Arterial Resistive Index (RI) in the Prostate Peripheral Zone and Bladder Neck
大体时间：Baseline, Week 4 and Week 8
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Arterial RI was a measure of vascular resistance using Doppler ultrasound.
RI was the ratio of (peak systolic velocity - end diastolic velocity)/peak systolic velocity, and increased as resistance to flow increased.
The least squares (LS) mean was estimated from a mixed-effects model with repeated measures (MMRM) that included fixed effects for treatment, region, visit, and treatment-by-visit interaction, baseline as a covariate, a random effect of participant within treatment, and an unstructured covariance matrix.
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Baseline, Week 4 and Week 8
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Change From Baseline to 4 and 8 Weeks in Color Pixel Intensity (CPI) in the Prostate Transition Zone, Peripheral Zone, and Bladder Neck
大体时间：Baseline, Week 4 and Week 8
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CPI quantified blood flow in a pre-specified region of interest by using color Doppler imaging.
CPI was the mean color pixel intensity in the region of interest and scores could range from 0 to 160.
An increase in CPI reflected an increase in blood flow.
The least squares (LS) mean was estimated from a mixed-effects model with repeated measures (MMRM) that included fixed effects for treatment, region, visit, and treatment-by-visit interaction, baseline as a covariate, a random effect of participant within treatment, and an unstructured covariance matrix.
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Baseline, Week 4 and Week 8
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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。
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。
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
2010年9月1日
初级完成 (实际的)
2012年7月1日
研究完成 (实际的)
2012年7月1日
研究注册日期
首次提交
2010年6月25日
首先提交符合 QC 标准的
2010年6月25日
首次发布 (估计)
2010年6月29日
研究记录更新
最后更新发布 (估计)
2013年5月20日
上次提交的符合 QC 标准的更新
2013年3月27日
最后验证
2013年3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.