DailyMed – XIPERE- triamcinolone acetonide injection, suspension

XIPERE™ is a sterile, preservative-free, injectable suspension of triamcinolone acetonide, a synthetic corticosteroid for use with the SCS Microinjector®. Each mL of the sterile, aqueous suspension contains 40 mg of triamcinolone acetonide with 0.55% (weight/volume [w/v]) sodium chloride for tonicity, 0.5% (w/v) carboxymethylcellulose sodium, and 0.02% (w/v) polysorbate 80. It also contains potassium chloride, calcium chloride (dihydrate), magnesium chloride (hexahydrate), sodium acetate (trihydrate), sodium citrate (dihydrate), and water for injection. Hydrochloric acid may be used to adjust pH to a target value of 6.5.

The chemical name for triamcinolone acetonide is 9-fluoro-11β,16ɑ,17,21-tetrahydroxypregna-1,4-diene-3,20-dione cyclic 16,17-acetal with acetone. Its chemical structure is:

Molecular weight 434.50; molecular formula C24H31FO6

Triamcinolone acetonide occurs as a white to cream-colored, crystalline powder having not more than a slight odor and is practically insoluble in water and very soluble in alcohol.

XIPERE™ is provided as an injectable suspension in a single-dose glass vial with a rubber stopper and an aluminum seal. The SCS Microinjector® is a piston syringe and a needle approximately 1 mm in length (900-µm and 1100-µm needles are included) for conducting the suprachoroidal injection.

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