The purpose of this study is to evaluate the clinical activity of AVE1642 in combination with fulvestrant and of fulvestrant alone in terms of clinical benefit as the rate of "complete response", "partial response" and "stabilization of the disease". The additional objectives are to evaluate the safety profile of AVE1642 in combination with fulvestrant and of fulvestrant alone, to assess the rate of patients without disease progression at 6 months and the overall progression-free survival time. An evaluation of the pharmacokinetics and pharmacodynamics interactions between AVE1642 and fulvestrant will also be performed. The biological activity of treatment will be assessed on tumor biopsies, when possible The potential immunogenicity of AVE1642 will be studied
The study treatment will be administered until disease progression, unacceptable toxicity or patient willingness to discontinue.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
18
AVE1642 is administered intravenously at the dose of 8 mg/kg.
Fulvestrant is administered as a slow intramuscular injection (just before the AVE1642 infusion when given in combination).
Sanofi-Aventis Administrative Office
Paris, France
Sanofi-Aventis Administrative Office
Milan, Italy
Sanofi-Aventis Administrative Office
Barcelona, Spain
Clinical benefit defined as a confirmed complete response (CR) or a confirmed partial response (PR) or a stable disease (SD)lasting at least 24 weeks (6 cycles)
Time frame: 6 cycles
Progression Free rate
Time frame: at 6 months
Safety (TEAEs, hematology, biochemistry parameters)
Time frame: study period
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