Primary Objective:

To assess the safety and tolerability of SAR113945 in Japanese patients with knee osteoarthritis after ascending single intra-articular doses

Secondary Objective:

To assess the pharmacokinetics of SAR113945 in Japanese patients with knee osteoarthritis after ascending single intra-articular doses

Following the single dose of study medication, the study period for each patient will be 168 days.

Inclusion criteria:

• Japanese male or female patients, aged 40 years or older, with knee osteoarthritis

• Diagnosis of primary knee osteoarthritis, based upon the following:

  • X-ray or magnetic response imaging (MRI) evidence within the last 6 months for joint space narrowing and osteophyte formation
  • Patients will be Kellegen and Lawrence classification II or III, and total Western Ontario McMaster (WOMAC) score below or equal to 72
  • Patients fulfilling the American College of Rheumatology Clinical and Radiographic criteria for Osteoarthritis

Exclusion criteria:

• Women of child bearing potential
• Secondary osteoarthritis: e.g., autoimmune disease, joint dysplasia, aseptic osteonecrosis, acromegaly, Paget's disease, Ehlers-Danlos syndrome, Gaucher's disease, Stickler's syndrome, joint infection, hemophilia, hemochromatosis, calcium pyrophosphate disposition disease, or neuropathic arthropathy
• Presence of local skin abnormality at the affected knee joint
• Any patient who received intra-articular injection within 3 months prior to administration

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