Aristolochic Acid-DNA Adduct in Urothelial Carcinoma in Taiwan

February 20, 2012 updated by: National Taiwan University Hospital

Observational Study of Aristolochic Acid-DNA Adduct in Urothelial Carcinoma in Taiwan

To study the association between aristolochic acid and urothelial carcinoma in Taiwan

Study Overview

Status

Unknown

Study Type

Observational

Enrollment (Anticipated)

100

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Taipei, Taiwan, 100
        • Recruiting
        • National Taiwan University Hospital
        • Contact:
          • Yeong-Shiau Pu, Ph.D.
          • Phone Number: 65249 886-2-23123456
          • Email: yspu@ntu.edu.tw

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

The patients who received nephrectomies

Description

Inclusion Criteria:

  • the resected kidney tissue in the tissue bank

Exclusion Criteria:

  • the patients who had been ever exposed to arsenics, rubber, chemicals, irradiation for pelvis, or received chemotherapy.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Urothelial carcinoma
The DNA samples extracted from the urothelial carcinoma tissue
RCC
the DNA sample extracted from RCC
Non-cancer
The DNA sample extracted from the non-cancerous kidney tissue

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
the incidence of aristolochic-acid DNA adduct in the samples
Time Frame: one week
one week

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

March 1, 2009

Study Completion (Anticipated)

March 1, 2012

Study Registration Dates

First Submitted

March 22, 2009

First Submitted That Met QC Criteria

March 22, 2009

First Posted (Estimate)

March 24, 2009

Study Record Updates

Last Update Posted (Estimate)

February 22, 2012

Last Update Submitted That Met QC Criteria

February 20, 2012

Last Verified

February 1, 2012

More Information

Terms related to this study

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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