A Study in Erectile Dysfunction
2012年12月3日 更新者：Eli Lilly and Company
Tadalafil Once Daily Following As-Needed Phosphodiesterase Type 5 Inhibitor Treatment, an Assessment of Return to Normal Erectile Function
The purpose of this trial is to evaluate if treatment with tadalafil once daily will allow men to return to normal erectile function in those who did not have normal erectile function following as-needed (PRN) Phosphodiesterase Type 5 (PDE5) Inhibitor treatment.
研究概览
研究类型
介入性
注册 (实际的)
623
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
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British Columbia
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Langley、British Columbia、加拿大、V3A 4H9
- 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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Victoria、British Columbia、加拿大、V8T 5G1
- 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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Ontario
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Burlington、Ontario、加拿大、L7N 3V2
- 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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North York、Ontario、加拿大、M3B 3S6
- 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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Quebec
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Montreal、Quebec、加拿大、H2X 1N8
- 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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Saskatchewan
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Saskatoon、Saskatchewan、加拿大、S7K 7H9
- 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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Alabama
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Huntsville、Alabama、美国、35801
- 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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California
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Lancaster、California、美国、93534
- 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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Newport Beach、California、美国、92660
- 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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San Diego、California、美国、92103
- 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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Spring Valley、California、美国、91978
- 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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Tarzana、California、美国、91356
- 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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Connecticut
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New Britain、Connecticut、美国、06052
- 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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Florida
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Aventura、Florida、美国、33180
- 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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Fort Lauderdale、Florida、美国、33316
- 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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Oviedo、Florida、美国、32765
- 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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Idaho
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Meridian、Idaho、美国、83646
- 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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Nampa、Idaho、美国、83686
- 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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Kansas
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Lansing、Kansas、美国、66043
- 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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Topeka、Kansas、美国、66606
- 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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Massachusetts
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Haverhill、Massachusetts、美国、01830
- 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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Michigan
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Troy、Michigan、美国、48085
- 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 Jersey
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Toms River、New Jersey、美国、08753
- 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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Poughkeepsie、New York、美国、12601
- 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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North Carolina
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Concord、North Carolina、美国、28025
- 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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Wilmington、North Carolina、美国、28401
- 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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North Dakota
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Fargo、North Dakota、美国、58103
- 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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Ohio
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Lyndhurst、Ohio、美国、44124
- 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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Pennsylvania
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Bala Cynwyd、Pennsylvania、美国、19004
- 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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South Carolina
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Anderson、South Carolina、美国、29621
- 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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Greer、South Carolina、美国、29651
- 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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Mt. Pleasant、South Carolina、美国、29464
- 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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Tennessee
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Knoxville、Tennessee、美国、37920
- 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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Texas
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Austin、Texas、美国、78731
- 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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San Antonio、Texas、美国、78258
- 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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Utah
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Clinton、Utah、美国、84015
- 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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Washington
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Bellevue、Washington、美国、98007
- 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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Seattle、Washington、美国、98166
- 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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Spokane、Washington、美国、99220
- 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
18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:
- At least a 3-month history of erectile dysfunction (ED).
- Are able to read, understand and provide signed informed consent.
- Have an International Index of Erectile Function-Erectile Function (IIEF-EF) domain score that is greater than or equal to 17 and less than 26 at screening.
- Have been taking a maximum dose of sildenafil citrate (100 milligram [mg]), vardenafil (20 mg), or tadalafil (20 mg) on as needed basis for at least one month prior to screening.
- Anticipate having the same female sexual partner during the study who is willing to participate in the required number of sexual intercourse attempts and complete study measures during the study.
- Agree to make at least four sexual intercourse attempts during both the 4-week as needed run-in period and the 4-week non-drug run-in period.
- Agree not to use any other erectile dysfunction (ED) treatment, including herbal therapy during the 4-week non-drug, run-in, the double-blind treatment period, the open label period and for 96 hours after the end of the study.
Partner Inclusion Criteria:
- Are female and at least 18 years of age at screening.
- Anticipate having the same male study subject as her sexual partner during the study.
- Able to read, understand and provide signed informed consent.
- Agree to make the required number of sexual intercourse attempts with the male sexual study partner during the study.
- Willing to participate in recording responses to the treatment satisfaction scale.
Exclusion Criteria:
- Have an IIEF-EF domain score of greater than or equal to 26 at screening.
- Prior ineffective treatment with (or nonresponder to) any PDE5 Inhibitor
- Have previously used or are currently using any PDE5 inhibitor once daily.
- Present with ED caused by other primary disorders or ED caused by untreated/inadequately treated endocrine disease.
- Partner unwilling to complete all study requirements.
- History of radical prostatectomy or other pelvic surgery or penile implant, or a clinically significant penile deformity, in the opinion of the investigator
- Exhibit evidence of clinically significant renal insufficiency or hepatobiliary disease, or significant cardiac history as determined by the investigator
- Currently receive treatment with nitrates, cancer chemotherapy, or antiandrogens
- Have previously completed or withdrawn from this study or any other study investigating tadalafil for once-daily use.
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：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
12周
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Administer orally
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有源比较器：2.5 milligram (mg) titrated to 5 mg Tadalafil
2.5 mg for 4 weeks, followed by 5 mg for 8 weeks with option to continue treatment at 5 mg for an additional 4 weeks
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Administer orally
其他名称：
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有源比较器：5 mg Tadalafil
5.0 mg for 12 weeks with option to continue treatment for additional 4 weeks
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Administer orally
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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Percentage of Participants Having an International Index of Erectile Function - Erectile Function (IIEF-EF) Domain Score Greater Than or Equal to 26 Through 12-Week Endpoint (Double-Blind Treatment Period)
大体时间：Baseline through 12 weeks
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Self-reported erectile function over the past 4 weeks.
IIEF- EF is the sum of Questions 1-5 and 15 of the IIEF.
Questions 1-5 are scored 0 (low/no erectile function) to 5 (high erectile function) and Question 15 is scored 1 (very low confidence) to 5 (very high confidence), for a total score ranging from 1 to 30.
Higher scores represent better erectile function.
Data presented are the percentage of participants who return to normal erectile function (IIEF-EF domain score ≥26) at end of double-blind treatment period (Period III).
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Baseline through 12 weeks
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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 12-Week Endpoint in the International Index of Erectile Function - Erectile Function (IIEF-EF) Domain Score
大体时间：Baseline, 12 weeks
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Self-reported erectile function over the past 4 weeks.
IIEF- EF is the sum of Questions 1-5 and 15 of the IIEF.
Questions 1-5 are scored 0 (low/no erectile function) to 5 (high erectile function) and Question 15 is scored 1 (very low confidence) to 5 (very high confidence), for a total score ranging from 1 to 30.
Higher scores represent better erectile function.
Least Squares (LS) mean of the change from baseline to endpoint is from an analysis of covariance (ANCOVA).
The model included centered-baseline as a covariate and factors of study, treatment group, and pooled site within study, and centered-baseline-by-treatment-group interaction.
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Baseline, 12 weeks
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Change From Baseline to 12-Week Endpoint in the International Index of Erectile Function - Intercourse Satisfaction (IIEF-IS) Domain Score
大体时间：Baseline, 12 weeks
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Self-reported intercourse satisfaction over the past 4 weeks.
IIEF-IS is the sum of Questions 6, 7 and 8 of the IIEF.
Scores range from 0 (low/no satisfaction) to 5 (high satisfaction) for each question, with the total possible score for the 3 questions of 0 to 15. Least Squares (LS) mean of the change from baseline to endpoint is from an analysis of covariance (ANCOVA).
The model included centered-baseline as a covariate and factors of study, treatment group, and pooled site within study, and centered-baseline-by-treatment-group interaction.
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Baseline, 12 weeks
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Change From Baseline to 12-Week Endpoint in the International Index of Erectile Function - Overall Satisfaction (IIEF-OS) Domain Score
大体时间：Baseline, 12 weeks
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Self-reported overall satisfaction over the past 4 weeks.
IIEF-OS is the sum of Questions 13 and 14; each question scored as 1 (low/no satisfaction) through 5 (high satisfaction) with total subscore for the 2 questions of 2 to 10. Least Squares (LS) mean of the change from baseline to endpoint is from an analysis of covariance (ANCOVA).
The model included centered-baseline as a covariate and factors of study, treatment group, and pooled site within study, and centered-baseline-by-treatment-group interaction.
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Baseline, 12 weeks
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Change From Baseline to 12-Week in Percentage of "Yes" Responses to Sexual Encounter Profile (SEP) Questions 1-5
大体时间：Baseline, 12 weeks
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Assessed was the mean change from baseline in the percentage of Yes responses to the SEP diary Questions 1-5.
Least Squares (LS) mean of the change from baseline to endpoint is from an analysis of covariance (ANCOVA).
The model included centered-baseline as a covariate and factors of study, treatment group, and pooled site within study, and centered-baseline-by-treatment-group interaction.
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Baseline, 12 weeks
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Change From Baseline to 12-Week Endpoint in Treatment Satisfaction Scale (TSS) - Patient
大体时间：Baseline, 12 weeks
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The TSS measured participant satisfaction with treatment based on a 13-item questionnaire.
The overall score for each of five TSS domains (confidence to complete sexual activity, ease of erection, pleasure from sexual activity, erectile function satisfaction, and satisfaction with orgasm) was converted to a 0-100 scale with higher numbers on the scale indicating greater satisfaction.
Least Squares (LS) mean of the change from baseline to endpoint is from an analysis of covariance (ANCOVA).
The model included centered-baseline as a covariate and factors of study, treatment group, and pooled site within study, and centered-baseline-by-treatment-group interaction.
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Baseline, 12 weeks
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Treatment Satisfaction Scale (TSS) - Patient Satisfaction With Medication Score at Week 12 Endpoint
大体时间：Week 12
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The TSS - patient satisfaction with medication measured participant satisfaction with treatment based on a 13-item questionnaire.
The overall score was converted to a 0-100 scale with higher numbers on the scale indicating greater satisfaction.
Satisfaction with medication was analyzed using analysis of covariance (ANOVA).
The model included factors of study, treatment group, and pooled site within study.
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Week 12
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Change From Baseline to 12-Week Endpoint in the International Index of Erectile Function (IIEF) Question 15 (Sexual Confidence)
大体时间：Baseline, 12 weeks
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Self-reported erectile function over the past 4 weeks.
Question 15, confidence in the ability to get an erection, is scored from 1 (very low confidence) to 5 (very high confidence).
Least Squares (LS) mean of the change from baseline to endpoint is from an analysis of covariance (ANCOVA).
The model included centered-baseline as a covariate and factors of study, treatment group, and pooled site within study, and centered-baseline-by-treatment-group interaction.
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Baseline, 12 weeks
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Change From Baseline to 12-Week Endpoint in Treatment Satisfaction Scale (TSS) - Partner
大体时间：Baseline, 12 weeks
|
The TSS measured participant's partner satisfaction with treatment based on a 13-item questionnaire.
The overall score for each of five TSS domains (confidence to complete sexual activity, ease of erection, pleasure from sexual activity, erectile function satisfaction, and satisfaction with orgasm) was converted to a 0-100 scale with higher numbers on the scale indicating greater satisfaction.
Least Squares (LS) mean of the change from baseline to endpoint is from an analysis of covariance (ANCOVA).
The model included centered-baseline as a covariate and factors of study, treatment group, and pooled site within study, and centered-baseline-by-treatment-group interaction.
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Baseline, 12 weeks
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Treatment Satisfaction Scale (TSS) - Partner Satisfaction With Medication Score at Week 12 Endpoint
大体时间：Week 12
|
The TSS - partner satisfaction with medication measured participant's partner satisfaction with treatment based on a 13-item questionnaire.
The overall score was converted to a 0-100 scale with higher numbers on the scale indicating greater satisfaction.
Satisfaction with medication was analyzed using analysis of covariance (ANOVA).
The model included factors of study, treatment group, and pooled site within study.
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Week 12
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Percentage of Participants Having International Index of Erectile Function - Erectile Function (IIEF-EF) Domain Score Greater Than or Equal to 26 From 12 to 16 Weeks
大体时间：12 weeks through 16 weeks
|
Self-reported erectile function over the past 4 weeks.
IIEF- EF is the sum of Questions 1-5 and 15 of the IIEF.
Questions 1-5 are scored 0 (low/no erectile function) to 5 (high erectile function) and Question 15 is scored 1 (very low confidence) to 5 (very high confidence), for a total score ranging from 1 to 30.
Higher scores represent better erectile function.
Data presented are the percentage of participants who return to normal erectile function (IIEF-EF domain score ≥26) at end of open-label extension treatment period (Period IV).
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12 weeks through 16 weeks
|
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Change From 12 Weeks to 16 Weeks in Participant's International Index of Erectile Function - Erectile Function (IIEF-EF) Domain Score
大体时间：12 weeks and 16 weeks
|
Self-reported erectile function over the past 4 weeks.
IIEF- EF is the sum of Questions 1-5 and 15 of the IIEF.
Questions 1-5 are scored 0 (low/no erectile function) to 5 (high erectile function) and Question 15 is scored 1 (very low confidence) to 5 (very high confidence), for a total score ranging from 1 to 30.
Higher scores represent better erectile function.
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12 weeks and 16 weeks
|
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Change From Week 12 to Week 16 Percentage of "Yes" Responses to Sexual Encounter Profile (SEP) Questions 3
大体时间：12 weeks and 16 weeks
|
Assessed the percentage of Yes responses to the SEP diary Question 3 "Did your erection last long enough for you to have successful intercourse?"
from Week 12 (end of double-Blind treatment) to Week 16 (end of open-label treatment).
|
12 weeks and 16 weeks
|
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。
一般刊物
- Kim E, Seftel A, Goldfischer E, Baygani S, Burns P. Comparative efficacy of tadalafil once daily in men with erectile dysfunction who demonstrated previous partial responses to as-needed sildenafil, tadalafil, or vardenafil. Curr Med Res Opin. 2015 Feb;31(2):379-89. doi: 10.1185/03007995.2014.989317. Epub 2014 Dec 2.
- Kim ED, Seftel AD, Goldfischer ER, Ni X, Burns PR. A return to normal erectile function with tadalafil once daily after an incomplete response to as-needed PDE5 inhibitor therapy. J Sex Med. 2014 Mar;11(3):820-30. doi: 10.1111/jsm.12253. Epub 2013 Jul 10.
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8月1日
初级完成 (实际的)
2012年1月1日
研究完成 (实际的)
2012年1月1日
研究注册日期
首次提交
2010年5月24日
首先提交符合 QC 标准的
2010年5月24日
首次发布 (估计)
2010年5月26日
研究记录更新
最后更新发布 (估计)
2013年1月4日
上次提交的符合 QC 标准的更新
2012年12月3日
最后验证
2012年12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.