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Safety, feasibility and cost-effectiveness of genotype-directed individualized dosing of fluoropyrimidines

Recruiting
Conditions
Cancer (breast cancer
colorectal cancer
gastric cancer)
10027656
Registration Number
NL-OMON45080
Lead Sponsor
Antoni van Leeuwenhoek Ziekenhuis
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
Not specified
Target Recruitment
1250
Inclusion Criteria

1. Pathologically confirmed malignancy for which treatment with a fluoropyrimidine is considered to be in the patient*s best interest
2. WHO performance status of 0, 1 or 2
3. Life expectancy of at least 12 weeks
4. Able to swallow and retain oral medication
5. Able and willing to undergo blood sampling for pharmacogenetic and phenotyping analysis;For subgroup only:
6. Able and willing to undergo blood sampling and breath sampling at several time points
7. Able and willing to receive uracil for the test dose assay
8. Able and willing to receive [2-13C] -labeled uracil for the breath test

Exclusion Criteria

1. Prior treatment with fluoropyrimidines
2. Patients with known substance abuse, psychotic disorders, and/or other diseases expected to interfere with study or the patient*s safety
3. Women who are pregnant or breast feeding
4. Both men and women who refuse to use reliable contraceptive methods throughout the study
5. Patients with a homozygous polymorphic genotype or compound heterozygous genotype for DPYD.

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
<p>The primary endpoint in this study is the incidence of severe treatment-related<br /><br>toxicity (CTC grade 3 to 5) in patients carrying DPYD variants compared to<br /><br>wild type patients. </p><br>
Secondary Outcome Measures
NameTimeMethod
<p>Secondary endpoints are: cost-effectiveness, assessment of pharmacokinetics and<br /><br>DPD enzyme activity.</p><br>
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