UNIL088 is a water-soluble prodrug of cyclosporine A (CsA) designed for topical ocular delivery. The pro-moiety is grafted via an ester function to CsA and the solubilizing group is a phosphate ion. UNIL-088 can be rapidly hydrolysed under physiological conditions, and can retain a long shelf-life in aqueous media. UNIL-088 is more stable at pH 5 than at pH 7 with conversion rate constant of 3.2 x 10(-3) and 26.0 x 10(-3)days(-1), respectively.

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.