Green Tea Extract in Treating Patients With Nonmetastatic Bladder Cancer
Public ClinicalTrials.gov record NCT00666562. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase II Randomized, Placebo-Controlled Trial of Polyphenon E to Evaluate Bladder Tissue Levels of EGCG
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Green tea extract contains ingredients that may slow the growth of certain cancers. It is not yet known whether green tea extract is more effective than a placebo when given before surgery in treating patients with bladder. This randomized phase II trial is studying green tea extract to see how well it works compared to a placebo when given before surgery in treating patients with nonmetastatic bladder cancer.
Study identification
- NCT ID
- NCT00666562
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 31 participants
Conditions and interventions
Interventions
- Defined Green Tea Catechin Extract Dietary Supplement
- Laboratory Biomarker Analysis Other
- Pharmacological Study Other
- Placebo Drug
- Therapeutic Conventional Surgery Procedure
Dietary Supplement · Other · Drug + 1 more
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 1, 2008
- Primary completion
- Apr 25, 2012
- Completion
- Jun 8, 2017
- Last update posted
- Nov 16, 2017
2008 – 2017
United States locations
- U.S. sites
- 6
- U.S. states
- 6
- U.S. cities
- 6
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Alabama at Birmingham Cancer Center | Birmingham | Alabama | 35233 | — |
| Lahey Hospital and Medical Center | Burlington | Massachusetts | 01805 | — |
| Minneapolis Veterans Medical Center | Minneapolis | Minnesota | 55417 | — |
| University of Rochester | Rochester | New York | 14642 | — |
| Urology San Antonio Research PA | San Antonio | Texas | 78229 | — |
| University of Wisconsin Hospital and Clinics | Madison | Wisconsin | 53792 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00666562, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Nov 16, 2017 · Synced Sep 4, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00666562 live on ClinicalTrials.gov.