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A randomized, prospective trial of 2-6 weeks pre-operative hormonal treatment for hormone receptor positive breast cancer: Anastrozole +/- Fulvestrant or Tamoxifen Exposure - response in molecular profile (AFTER study) - AFTER study

Conditions
Invasive Breast Cancer, tumor size >= 1 cm (NOT inflammatory breast cancer), no clues of metastatic disease, no multicentric breast cancer
Registration Number
EUCTR2008-000644-13-NL
Lead Sponsor
KI-AV
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Authorised-recruitment may be ongoing or finished
Sex
All
Target Recruitment
Not specified
Inclusion Criteria

•Patients with proven invasive adenocarcinoma of the breast
•Any tumor with a size = 1cm (NOT inflammatory breast cancer)
•WHO-performance score 0 or 1
•Written informed consent

Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range
F.1.3 Elderly (>=65 years) yes
F.1.3.1 Number of subjects for this age range

Exclusion Criteria

•Clues of metastatic disease by clinical examination according to most recent NABON guidelines
•Multicentric breast cancer
•Inflammatory breast cancer
•Hormone replacement during the last 12 months
•Already planned date for surgery within the next 2 weeks
•Any psychological, familial, sociological or geographical condition potentially hampering adequate informed consent or compliance with the study protocol
•Patient’s refusal to undergo a core biopsy procedure of the primary tumor before the start of treatment
NB: a concomitant malignancy within the last five years is not an exclusion criterium, because survival is not the primary endpoint. Just as prior invasive breast cancer or DCIS within the last 15 years is not an exclusion criterium.

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod
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