The present invention provides a new dosing regimen for administration of FGF-18 in the treatment of a cartilage disorder, such as osteoarthritis or cartilage injury. Specifically provided is a preferred treatment scheme comprising administrations every 3 weeks, 4 weeks or 5 weeks of an FGF-18 compound per treatment cycle. The new dosing regimen can include the co-adminsitration of an anti-inflammatory drug.
