The patients were randomized into @ groups : @ ) @ patients took diclofenac sodium @ mg/day ; @ ) @ received a complex pharmaceutical on the basis of glycozaminoglycans Alflutop injection @ ml per day for @ days , then @ ml intraartricular twice weekly in the following month ; @ ) @ had diacerein ( diaflex , `` Rompharm Company '' ) in a dose of @ mg twice daily for @ months .