- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00532454
Evaluation of the Association Between CYP2D6 Genetic Polymorphisms and the Treatment Effect of Tamoxifen
February 9, 2010 updated by: National Cancer Center, Korea
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
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
Study Overview
Status
Terminated
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
21
Phase
- Phase 2
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
-
-
Gyeonggi-do
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809 Madu1-dong, Ilsandong-gu, Goyang-si, Gyeonggi-do, Korea, Republic of, 410-769
- National Cancer Center
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Goyang-si, Gyeonggi-do, Korea, Republic of, 410-769
- National Cancer Center
-
-
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
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
Female
Description
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).
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
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: tamoxifen
observation for clinical efficacy on tamoxifen according to CYP2D6 genotype
|
tamoxifen 20mg, PO, QD until disease progression
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
efficacy of tamoxifen
Time Frame: one year
|
one year
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Jungsil Ro, MD, PhD, National Cancer Center, Korea
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
June 1, 2006
Primary Completion (Actual)
June 1, 2006
Study Completion (Actual)
December 1, 2007
Study Registration Dates
First Submitted
September 19, 2007
First Submitted That Met QC Criteria
September 19, 2007
First Posted (Estimate)
September 20, 2007
Study Record Updates
Last Update Posted (Estimate)
February 10, 2010
Last Update Submitted That Met QC Criteria
February 9, 2010
Last Verified
September 1, 2007
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pathologic Processes
- Skin Diseases
- Neoplasms
- Neoplasms by Site
- Breast Diseases
- Neoplastic Processes
- Breast Neoplasms
- Neoplasm Metastasis
- Physiological Effects of Drugs
- Antineoplastic Agents
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Antineoplastic Agents, Hormonal
- Hormone Antagonists
- Bone Density Conservation Agents
- Estrogen Antagonists
- Selective Estrogen Receptor Modulators
- Estrogen Receptor Modulators
- Tamoxifen
Other Study ID Numbers
- NCCCTS-06-198
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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