- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00960544
Correlation of Genomic Variation in Enzymes Responsible for Metabolism of Capecitabine With Drug Metabolism
Correlation of Genomic Variation in Enzymes Responsible for Metabolism of Capecitabine With Drug Metabolism Using a Limited Pharmacokinetic Sampling Plan
Study Overview
Detailed Description
Capecitabine, PK Testing, and DNA Analysis:
Capecitabine is designed to interfere with the growth of cancer cells, which may cause the cells to die. It is cleared from the body by certain proteins (which are made from DNA--the gene material of cells). Some patients have changes in these proteins that increase or decrease the rate that capecitabine is cleared from the body.
Researchers will use pharmacokinetic (PK) testing and DNA analysis to learn how capecitabine is cleared from your body. PK testing measures the amount of drug in the body at different time points. Information learned in this study may help researchers decide the best doses of capecitabine for future patients with breast cancer.
Screening Visit:
Before you can start treatment on this study, you will have about 2 teaspoons of blood drawn for routine tests and to make sure that you are able to receive chemotherapy. This screening blood test will help the study doctor decide if you are eligible to take part in this study.
Capecitabine Treatment:
If you are found to be eligible to take part in this study, you will be given capecitabine by mouth on the day you choose to start this therapy. Your treating doctor will prescribe capecitabine at a dose that is appropriate to treat the cancer. You can choose the start date, excluding weekends, but will need to begin therapy in the morning of the day you choose. You will have treatment with capecitabine even if you do not participate on this study.
PK Testing and DNA Analysis:
You will have blood drawn (about 2 teaspoons each time) for PK testing and DNA analysis of capecitabine at certain times throughout this study.
- For PK testing, blood will be drawn before your first dose of capecitabine, at 30, 60, and 90 minutes after the first dose, and then at 2, 6, 8, and 10 hours after the first dose.
- For DNA analysis, blood will only be drawn before you receive the first dose of capecitabine.
If your dose changes, these PK blood tests may need to be repeated.
Length of Study:
You will remain on this study for up to 6 months, unless the disease gets worse, you experience any intolerable side effects, or you decide to stop treatment with capecitabine.
This is an investigational study. Up to 100 patients will take part in this study. All will be enrolled at M. D. Anderson.
Study Type
Phase
- Phase 2
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients must have a pathologic or cytologic diagnosis of invasive carcinoma of the breast.
- Patients must give informed consent for protocol participation.
- Age >/= 18 years
- Patients must have and ECOG performance status of </=2.
- Patients must be scheduled to receive capecitabine using a BID dosing strategy administered on days 1-14 of a 21-day cycle.
- Patients must agree to blood draws for PK/PD sampling.
- Patients are allowed to receive cytotoxic therapy in combination with capecitabine.
- Patients must not require concurrent radiation, or hormonal therapy while receiving protocol therapy
- Patients must not have an active infection requiring the use of intravenous antibiotics. The use of oral antibiotics as prophylaxis is allowed.
- Prior to study enrollment, women of childbearing potential (WOCBP) must be advised of the importance of avoiding pregnancy during trial participation and the potential risk factors for an unintentional pregnancy. In addition, men enrolled on this study should understand the risks to any sexual partner of childbearing potential. Both men and women should practice an effective method of birth control while receiving capecitabine.
- Patients must have recovered to grade <1 from all acute toxicity of previous chemotherapy, radiation or hormonal therapy and have adequate hematologic and hepatic function: Granulocyte count >/= 1,500/mcL; Platelet count >/= 100,000/mcL; Bilirubin </= 1.5 x ULN; AST and/or ALT </= 2 x ULN; Alkaline phosphatase (liver component, if fractionated) </= 2 x ULN; Serum creatinine within normal limits.
Exclusion Criteria:
- Untreated or uncontrolled brain metastasis
- History of prior therapy with capecitabine
- Patient inability to take or absorb oral medications
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Capecitabine
Capecitabine - Routine administration of twice daily dosing for days 1-14 of a 21-day cycle.
|
Routine administration of twice daily dosing for days 1-14 of a 21-day cycle.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Relationship between genomic variation and capecitabine metabolism (measured by limited PK sampling)
Time Frame: PK testing blood draw before first dose of capecitabine, and at 30, 60, and 90 minutes, then 2, 6, 8, and 10 hours after first dose.
|
Relationship between genomic variation and capecitabine metabolism (measured by limited PK sampling)
|
PK testing blood draw before first dose of capecitabine, and at 30, 60, and 90 minutes, then 2, 6, 8, and 10 hours after first dose.
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Study Chair: Phuong Khanh Morrow, MD, M.D. Anderson Cancer Center
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (ANTICIPATED)
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2007-0003
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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