Safety, Tolerability and Preliminary Efficacy of Multiple Intra-articular Injections of LRX712 in Patients With Knee OA

Inclusion Criteria: Written informed consent must be obtained before any assessment is performed. To be eligible for inclusion in this study patients must meet all of the following criteria: * Patient must have a BMI between 18 -35 kg/m2 * Patient must have symptomatic knee osteoarthritis predominantly in one knee (index knee) * Patient must have knee osteoarthritis (Kellgren-Lawrence grade 2 or 3) in the index knee, as confirmed by radiography * Patient must have radiographic confirmation of a medial joint space width of 1.5 to 3.5 mm for females, or 2 to 4 mm for males within the medial tibio-femoral compartment of the index knee. Exclusion Criteria: Subjects meeting any of the following criteria are not eligible for inclusion in this study: * Patient has a known autoimmune disease, inflammatory or chronic arthropathy other than OA. * Patient had partial or complete joint replacement in one or both knees. * Patient has symptomatic, isolated patello-femoral pain in the index knee as per the Investigator's examination. * Pregnant or nursing (lactating) women. * Women of child-bearing potential, defined as all women physiologically capable of becoming pregnant. * Previous use of LRX712 or use of other investigational drugs at the time of enrollment, or within 5 half-lives of enrollment, or within 30 days, whichever is longer; or longer if required by local regulations. * Patient has malalignment (valgus- or varus-deformity) ≥ 7.5° in the index knee as per anatomic PA axi…