Mechanism is also in place to allow the subsequent deletion or deregistration of any pharmaceutical product if there is a safety concern . for instance , the pharmacy and poisons board , being the statutory authority established under the ppo , deregistered two weight - loss drugs , fenfluramine and dexfenfluramine , in 1998 when they were found to be linked with valvular heart disease 此外，作为根据上述条例成立的法定权力机关，药剂业及毒药管理局亦可透过现时的机制，将出现安全问题的药剂制品从注册纪录册中删除或撤销其注册。
