2ccPA Study in Patients With Symptomatic Knee Osteoarthritis

"Four dose cohorts (50 μg, 200 μg, 800 μg, and 2,400 μg) are planned in this study sequentially.~study group: one dose intra-articular on day1"

"A total of 8 subjects will be recruited and randomized in each dose cohort with a 3:1 ratio (6 subjects in the 2ccPA treatment arm and 2 subjects in the placebo arm).~control group: one dose intra-articular on day 1"