Breast Cancer Clinical Trial
Official title:
A Clinical Study for the Evaluation of the Association Between CYP2D6 Genetic Polymorphisms and the Treatment Effect of Tamoxifen in Patients With Metastatic Breast Cancer
Verified date | September 2007 |
Source | National Cancer Center, Korea |
Contact | n/a |
Is FDA regulated | No |
Health authority | Korea: Institutional Review Board |
Study type | Interventional |
Primary objectives of this study is to evaluate the effects of CYP2D6 genotypes on time to progression after tamoxifen treatment in pre- or postmenopausal women with metastatic breast cancer. Furthermore, we will evaluate the effects of CYP2D6 genotypes on clinical benefit and response duration to tamoxifen administration in pre- or postmenopausal women with metastatic breast cancer and also evaluate the effects of CYP2D6 genotypes on the steady state plasma concentration of tamoxifen and its metabolites
Status | Terminated |
Enrollment | 21 |
Est. completion date | December 2007 |
Est. primary completion date | June 2006 |
Accepts healthy volunteers | No |
Gender | Female |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Histologically or cytologically diagnosed stage IV or recurrent breast cancer patients according to American Joint Committee on Cancer (AJCC) - Positive estrogen receptor or Positive progesterone receptor. - Females at least 18 years of age. - Prior radiation therapy is allowed as long as the irradiated area is not the only source of measurable disease - Prior hormone therapy less than 2. - No history of Megace medication for recent 28 days - Performance status of 0, 1 and 2 on the ECOG criteria - Clinically measurable disease, defined as bidimensionally measurable lesions with clearly defined margins on x-ray, CT scan, MRI or physical examination. Lesions serving as measurable disease must be at east 1 cm by 1 cm, as defined by x-ray, CT scan, MRI, or physical examination - Bone only or pleural fluid only disease is included as long as evaluation for clinical benefit is possible - Estimated life expectancy of at least 12 weeks - Compliant patient who can be followed-up adequately. - Adequate hematologic (WBC count 3,000/mm3, platelet count 100,000/mm3), hepatic (bilirubin level 1.8 mg/dL, AST, ALT 1.5xULN, albumin 2.5 g/dL), and renal (creatinine concentration 1.5 mg/dL) function. - Informed consent from patient or patient's relative - Childbearing women should use non-hormonal contraceptive method Exclusion Criteria: - Active or uncontrolled infection. - Second primary malignancy (except in situ carcinoma of the cervix or adequately treated basal cell carcinoma of the skin or prior malignancy treated more than 5 years ago without recurrence). |
Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
Korea, Republic of | National Cancer Center | 809 Madu1-dong, Ilsandong-gu, Goyang-si | Gyeonggi-do |
Korea, Republic of | National cancer center | Goyang-si | Gyeonggi-do |
Lead Sponsor | Collaborator |
---|---|
National Cancer Center, Korea |
Korea, Republic of,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | efficacy of tamoxifen | one year | No |
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