Distribution of Hikma Pharmaceuticals' food and drug administration (FDA) approved colchicine 0.6mg capsules has been put under a temporary restraining order, the company announced on Friday.The order was granted to Takeda Pharmaceuticals, with litigation between the two companies expected to continue later this month.Hikma only received FDA approval for the capsules on 30 September.The FTSE 250-listed group said it would "work constructively for a positive outcome".Shares had declined 2.69% to 1,810p by 13:28.