Crystalline anhydrate forms of a pharmaceutical
US9555046B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 14, 2014 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | Aug 14, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides and describes solid state 17α-ethynyl-androst-5-ene-3β,7β,17β-triol including amorphous and crystalline forms and specific polymorphic forms thereof. Anhydrates and solvates of 17α-ethynyl-androst-5-ene-3β,7β,17β-triol include Form I anhydrate and Form IV and Form V solvates. The invention further relates to solid and suspension formulations containing 17α-ethynyl-androst-5-ene-3β,7β,17β-triol in a described solid state form and use of the formulations to treat hyperglycemic conditions, such as type 2 diabetes and metabolic syndrome, and autoimmune conditions, such as rheumatoid arthritis, ulcerative colitis and type 1 diabetes, among other inflammation related conditions in subjects or human patients. The invention also relates to methods to make liquid formulations from solid state forms of 17α-ethynyl-androst-5-ene-3β,7β,17β-triol and uses of such formulations in treating the described conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.