Status:

TERMINATED

Trial of ZD1839 (Iressa) and Tamoxifen in Breast Cancer Patients

Lead Sponsor:

Baylor Breast Care Center

Collaborating Sponsors:

AstraZeneca

Conditions:

Breast Cancer

Eligibility:

FEMALE

18+ years

Phase:

PHASE2

Brief Summary

The researchers want to learn whether ZD1839 can improve the activity of tamoxifen, a drug that participants will receive for the treatment of the type of breast cancer being studied. Tamoxifen medici...

Detailed Description

Epidermal growth factor receptor (EGFR) is expressed or over-expressed in many human solid tumors and plays an important role in progression to invasion and metastases. The EGFR tyrosine kinase is act...

Eligibility Criteria

Inclusion

  • All patients must be female and must have signed an informed consent form.
  • Primary breast cancers must be human epidermal growth factor receptor (HER2) overexpressing (2+ or 3+, or both, as determined by immunohistochemistry \[IHC\]), and estrogen receptor (ER) positive. Primary breast cancers must be of clinical and/or radiologic size \>4 cm, with or without gross metastatic disease according to the International Union against Cancer (UICC) modified World Health Organization (WHO) criteria.
  • Negative serum pregnancy test (bHCG) within 7 days of starting study, if of child-bearing potential.
  • Adequate bone marrow function:
  • Hematocrit \>30%,
  • total neutrophil count must be \>1.5 x 10\^9/L, and
  • platelet count \>100 x 10\^9/L.
  • Renal function tests:
  • creatinine within 1.5 times the institution's upper limit of normal (ULN).
  • Liver function tests:
  • Total serum bilirubin within ULN,
  • liver transaminases within 2.5 x ULN,
  • alkaline phosphatase within 5 x ULN.
  • Performance status (WHO scale) \<2.
  • Age \> 18 years.

Exclusion

  • Pregnancy or unwillingness to use a reliable contraceptive method in women of child-bearing potential.
  • Women who are lactating or breastfeeding.
  • Severe underlying chronic illness or disease.
  • Patients on other investigational drugs while on study will be excluded.
  • Severe or uncontrolled hypertension, history of congestive heart failure, acute myocardial infarction, or severe coronary arterial disease.
  • No previous or current malignancies at other sites within the preceding 5 years, with the exception of adequately treated, cone-biopsied in situ carcinoma of the cervix uteri and basal or squamous cell carcinoma of the skin.
  • Any evidence of ongoing interstitial lung disease.
  • Concomitant use of phenytoin, carbamazepine, rifampicin, barbiturates, or St John's Wort.
  • Treatment with a non-approved or investigational drug within 30 days before Day 1 of study treatment.
  • Known severe hypersensitivity to ZD1839 or any of the excipients of this product.

Key Trial Info

Start Date :

July 1 2003

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

October 1 2006

Estimated Enrollment :

3 Patients enrolled

Trial Details

Trial ID

NCT00206492

Start Date

July 1 2003

End Date

October 1 2006

Last Update

August 1 2017

Active Locations (1)

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1

Baylor Breast Center

Houston, Texas, United States, 77030