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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT00973037
Other study ID # AN09020
Secondary ID
Status Recruiting
Phase N/A
First received September 8, 2009
Last updated September 8, 2009
Start date March 2009
Est. completion date April 2016

Study information

Verified date September 2009
Source Korea University Anam Hospital
Contact Eun Sook Lee, MD, PhD
Phone 82-2-920-6744
Email eslee@korea.ac.kr
Is FDA regulated No
Health authority Republic of Korea: Institutional Review Board
Study type Observational

Clinical Trial Summary

The purpose of this study is to investigate the impact of CYP2D6 Genotype on the clinical effects of tamoxifen using with samples from prospective randomized multicenter study(ASTRRA).


Recruitment information / eligibility

Status Recruiting
Enrollment 922
Est. completion date April 2016
Est. primary completion date April 2016
Accepts healthy volunteers No
Gender Female
Age group 18 Years to 45 Years
Eligibility Inclusion Criteria:

- The patient must sign the informed consent form.

- The patient must sign the informed consent of genotype screening test.

- The patient must be between 18 years old and 45 years old who can make a decision independently.

- Patients must have undergone excision of the primary breast mass, proven histologically to be invasive breast adenocarcinoma.(The type of mastectomy performed, number of axillary nodes removed, number of axillary nodes found positive, and tumor size must be included on the CRFs. For patients who have more than one discrete tumor masses should be measured and reported on the CRFs.)

- Patients must be within 3 months after the last cycle of chemotherapy.

- Patients must have the history of normal menstruation prior to the start of chemotherapy.

- Stage I, II or III

- Woman, less than or equal to 45 years of age

- The test result of the estrogen receptor is positive.

- WHO performance status 0, 1 or 2.

- Patients who were treated with cytotoxic chemotherapy in pre or post surgery. Permissible prior chemotherapy; currently locally available and approved standard chemotherapy in the adjuvant or neoadjuvant setting: e.g., AC(Doxorubicin/cyclophosphamide) followed by taxane, AC(Doxorubicin/cyclophosphamide), TA(Docetaxel/ Doxorubicin), FAC(5-fluorouracil/ doxorubicin / cyclophosphamide) or others.

- Adequate hematological function defined by hemoglobin 10g/dl, neutrophil count 1.5 X 10 9/L and platelets 100 X 10 9/L.

- Adequate hepatic function defined by AST and ALT 2.5 X upper limit of normal. Alkaline phosphatase 5 X upper limit of normal, unless bone metastases in the absence of liver disease. Renal function adequate defined by creatinine < 175 mmol/L.

Exclusion Criteria:

- The test result of the estrogen receptor is negative or unknown.

- Patients with the history of hysterectomy or oophorectomy.

- Sarcomas or squamous cell carcinomas of the breast are not eligible.

- Patients with malignancies(other than breast cancer) within the last 5 years, except for adequately treated in situ carcinoma of the cervix or basal cell/squamous cell carcinoma of the skin.

- Investigational drugs given within the previous 4 weeks.

- Patients with thrombocytopenia (platelets < 100 X 10 9/L or on anti-coagulant therapy(contra-indicated due to risk of bleeding with i.m. injection of Zoladex).

- Patients treated with CMF(cyclophosphamide/methotrexate/5-fluorouracil) as prior chemotherapy.

- Patients who are pregnant or lactating are ineligible.

Study Design

Observational Model: Case-Only, Time Perspective: Prospective


Related Conditions & MeSH terms


Intervention

Drug:
Tamoxifen
Tamoxifen 20mg qd

Locations

Country Name City State
Korea, Republic of Korea University Anam Hopital Seoul

Sponsors (3)

Lead Sponsor Collaborator
Korea University Anam Hospital Korean Breast Cancer Study Group, National Cancer Center, Korea

Country where clinical trial is conducted

Korea, Republic of, 

Outcome

Type Measure Description Time frame Safety issue
Primary Disease-free survival(DFS) 5years No
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