Assessment of cartilage markers in synovial fluid from the forward study provide insight to the biphasic effect of sprifermin. Issue 1 (April 2020) - Bay-Jensen, A.-C.; Manginelli, A.; Moreau, F.; He, Y.; Luo, Y.; Bihlet, A.; Andersen, J.R.; Karsdal, M.A.; Guehring, H.; Ladel, C.