Six months prospective randomized single blind study registered as ( NCT @ ) including @ patients with newly diagnosed ( ND ) ITP ; group @ ( G@ ) and @ patients with chronic ITP ( G@ ) , each group was randomly allocated ( @:@ ) to one of two subgroups respectively ; ( G@A and G@A ) interventional arm received daily antioxidant therapy , while G@B and G@B ; received a placebo .