Description:
            Vilanterol trifenatate (GW642444)is a novel, inhaled, long-acting β(2) agonist with inherent 24-h activity under development as a once-daily combination therapy with an inhaled corticosteroid for COPD and asthma.
         
    
    
        Handling:
        
            Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months.
            Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, 
            we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one 
            month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at 
            least 1 hour.