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Phase II Neoadjuvant ER+/PgR + Arimidex +/- Iressa Study

Phase II, Placebo Controlled, Parallel Group, Double Blind, Randomised, Multicentre Trial Comparing the Anastrozole (Arimidex®) Placebo Combination to the Anastrozole - ZD1839 (Iressa™) Combination as Neoadjuvant Treatment in Postmenopausal Women With Stage I-IIIB Breast Cancer and Oestrogen Receptor (ER) and/or Progesterone (PgR) Positive Tumours

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00255463
Enrollment
185
Registered
2005-11-21
Start date
2004-01-31
Completion date
2005-11-30
Last updated
2009-04-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Breast Cancer

Brief summary

The purpose of this study is to compare the changes in a proliferation biomarker in subjects receiving Anastrozole or Anastrozole/ZD1839 combination.

Interventions

DRUGGefitinib

Sponsors

AstraZeneca
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE

Eligibility

Sex/Gender
FEMALE
Healthy volunteers
No

Inclusion criteria

* Measurable (stage I-IIIB) non meta static non inflammatory breast cancer * Patients must post menopausal women who in the opinion of investigator would be likely to benefit from endocrine therapy. Postmenopausal patients are defined as: * Natural menopause with last menses \> 1 year ago, * Radiation induced oophorectomy with last menses \> 1 year ago, * Serum FSH and LH levels clearly in the postmenopausal range for the institution. * Bilateral oophorectomy

Exclusion criteria

* Other current or previous (to last 5 years) malignancies, other metastases, abnormal blood chemistry, lung/ heart/kidney/liver abnormalities, * Hormonal treatment within the last 2 weeks, previous hormonal treatment for invasive cancer

Design outcomes

Primary

MeasureTime frame
To determine and compare changes in proliferation marker at 16 weeks in the treatment groups

Secondary

MeasureTime frame
Tumour response, safety and tolerability, pharmacokinetics, pharmacokinetics and dynamics, oestradiol levels, mastectomy rate.
Comparison of WHO and RECIST criteria,
Exploratory biomarker studies involving genomics, metabolomics and proteomics.

Countries

Czechia, France, Hungary, Portugal, Spain, Sweden, United Kingdom

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026