Back to results
US 6,713,461 B1Granted
Pharmaceutical complex
AssigneePfizer Inc.
InventorAnne Billotte
Life of this patent
Estimating the term…
Abstract
This invention relates to a complex of eletriptan and a sulphobutylether-beta-cyclodextrin, or a pharmaceutically acceptable salt thereof, and to processes for the preparation of, pharmaceutical formulations including, and the uses of, such a complex.
Claims27
A complex of eletriptan and a cyclodextrin derivative of formula (I):
- wherein
- R1a−g, R2a−g and R3a−g each independently represent —OH or —O(CH2)4SO3H;
- provided that at least one of R1a−g represents —O(CH2)4SO3H:
- or a pharmaceutically acceptable salt thereof.
1 more element
Dependencies are inferred from the claim text.