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NCT00539305 · ClinicalTrials.gov registry record · Phase 3
Hormone and Information Processing Study
A Phase 3 study, sponsored by University of Washington.
- Completed
- Registry status
- Phase 3
- Development phase
- 22
- Enrollment target
NCT00539305: Completed Phase 3 study, sponsored by University of Washington.
NCT00539305 is a Phase 3 study that has completed, run by University of Washington. The registered enrollment target is 22 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (97% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00539305, a Phase 3 study, has completed, sponsored by University of Washington.
- COMPLETED
- Registry status
- Phase 3
- Development phase
- 22 participants
- Enrollment target
Study Summary
The purpose of this study is to examine the effects of testosterone (T) replacement on changes in thinking and memory, as well as mood in older men with mild cognitive impairment (MCI) and low T levels. The study will also examine whether taking testosterone has effects on biological markers related to Alzheimer's disease.
Primary Outcome
Values represent self evaluation of vigor-activity. The scale compares t-scores of participants to published norms (range 0-100), and higher scores indicate elevated emotion in subscale. Higher t-scores in vigor-activity subscale are considered favorable. Month 3 and Month 6 values display change from baseline.
Interventions
- DRUG testosterone gel
- DRUG placebo gel
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 22 participants |
| Start Date | 2009-07 |
| Est. Completion | 2012-05 |
| Phase | Phase 3 |
What the finished NCT00539305 record still lists
NCT00539305 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 22 participants, a relatively small participant target, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (97% lower).
The record links to 0 conditions, and to 2 interventions - of which testosterone gel is the first listed.
NCT00539305 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00539305 about?
NCT00539305 is a clinical study titled "Hormone and Information Processing Study". The purpose of this study is to examine the effects of testosterone (T) replacement on changes in thinking and memory, as well as mood in older men with mild cognitive impairment (MCI) and low T levels. The study will also examine whether taking testosterone has effects on biological markers related...
What is the current status of trial NCT00539305?
This trial is currently completed. It is a Phase 3 study. The enrollment target is 22 participants. The study started on 2009-07. Estimated completion is 2012-05.
What interventions are being tested in trial NCT00539305?
The interventions under investigation include: testosterone gel (DRUG), placebo gel (DRUG).
Who is sponsoring clinical trial NCT00539305?
This trial is sponsored by University of Washington, which has 1,048 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00539305's enrollment target sits among peer trials
22 1953rd of 2000 higher than 48 of 2,000 other Phase 3 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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