Primary Objective:

• To assess the tolerability at global doses

Secondary Objectives:

• Safety
• Pharmacokinetics
• Efficacy

The duration of screening within 28 days, treatment 3 weeks/cycle and follow-up 30 days after the last cabazitaxel administration.

Inclusion criteria :

I 01. Diagnosis of histologically or cytologically proven prostate adenocarcinoma, that is refractory to hormone therapy (received prior castration by orchiectomy and/or internal medicine, and documented progression of disease or relapse) who has previously been treated with docetaxel.

I 02. Signed informed consent prior to beginning protocol specific procedures.

I 03. Patients with PSA >20 ng/mL at screening.

Exclusion criteria:

E 01. Age <20 and >74

E 02. ECOG performance status ≥2.

E 03. Prior surgery ≤4 weeks of registration in the study.

E 04. Active secondary cancer including prior malignancy from which the patient has been disease-free for ≤5 years (However, adequately treated superficial basal cell skin cancer before 4 weeks prior to registration can be eligible to the study)

E 05. Inadequate organ function including:

Neutrophils <2.0 x 109/L Platelets <100 x 109/L Hemoglobin <9.0 g/dL (transfusion prohibition within 14 days before registration) Creatinine >1.5 mg/dL. Total bilirubin >1.5 times the upper normal limits of the institutional norms ALT/AST >1.5 times the upper normal limits of the institutional norms

E 06. Previous treatment with <225 mg/m2 cumulative dose of Taxotere® (or docetaxel).

The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.