METHODS	The levels of T lymphocyte subsets , interleukine-2 ,4,6,10 ( IL-2 , IL-4 , IL-6 , IL-10 ) , tumor necrosis factor-alpha ( TNF-alpha ) , interferon-gamma ( INF-gamma ) and Th1/Th2 were determined before treatment , and at the end of 1st and 2nd week of treatment respectively .\