How should Enbrel (etanercept) 25 mg powder and solvent for solution for injection be stored before reconstitution?

Before reconstitution, store Enbrel (etanercept) 25 mg powder and solvent for solution for injection at 2–8°C without freezing, or at up to 25°C for one period of up to four weeks without refrigerating again, discarding it if unused within four weeks of removal from refrigeration.