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Pharmacokinetic and Pharmacodynamic Study of S-1 in Patients With Digestive Organ Cancer


2004-01


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Study Overview

Pharmacokinetic and Pharmacodynamic Study of S-1 in Patients With Digestive Organ Cancer

S-1 is a novel oral fluorouracil antitumor drug that consists of tegafur which is a prodrug of 5-fluorouracil (5-FU); 5-chloro-2,4-dihydropyridine (CDHP), which inhibits dihydropyrimidine dehydrogenase (DPD) activity; and potassium oxonate (Oxo), which reduces gastrointestinal toxicity. 5-FU is metabolized by CYP2A6 and DPD. In this study, the researchers investigate the influences of differences in activities of CYP2A6 and DPD on pharmacokinetics and pharmacodynamics of S-1 and clinical outcomes in digestive organ cancer patients treated with S-1.

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  • Gastric Cancer
  • Esophageal Cancer
  • Pancreatic Cancer
  • Colon Cancer
  • DRUG: S-1
  • S-12005

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 Registration Dates Results Reporting Dates Study Record Updates

2005-09-12  

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2006-03-21  

2005-09-12  

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2006-03-22  

2005-09-20  

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2003-12  

Study Plan

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

Design Details

Primary Purpose:
Treatment


Allocation:
Non Randomized


Interventional Model:
Single Group


Masking:
None


Arms and Interventions

Participant Group/ArmIntervention/Treatment
Primary Outcome MeasuresMeasure DescriptionTime Frame
Whether the differences in activities of CYP2A6 and DPD affect pharmacokinetics and pharmacodynamics of S-1 and clinical outcomes
Secondary Outcome MeasuresMeasure DescriptionTime Frame
Side effect and motility of patients treated with S-1

Contacts and Locations

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

Study Contact

Name: Naohito Shirai, MD., PhD

Phone Number: 81-534-2788

Email: naohito@hama-med.ac.jp

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.

Ages Eligible for Study:
ALL

Sexes Eligible for Study:
20 Years

Accepts Healthy Volunteers:

    Inclusion Criteria:

  • Patients with digestive organ cancer

  • Exclusion Criteria:

  • Patients without digestive organ cancer

Collaborators and Investigators

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


    • STUDY_CHAIR: Naohito Shirai, MD., PhD, Department Laboratory Medicine, Hamamatsu University School of Medicine

    Publications

    The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

    General Publications

    No publications available