IP Library Granted Patent US 7,998,994
Granted Patent B2
US 7,998,994 · App. 12/485,444 · Granted Aug 16, 2011

Solid forms of (1R,2S,3R)-1-(2-(isoxazol-3-yl)-1H-imidazol-4-yl)butane-1,2,3,4-tetraol and methods of their use

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Quick Facts
Patent No.
US 7,998,994
App. No.
12/485,444
Granted
Aug 16, 2011
Kind
B2
Abstract

Solid forms of (1R,2S,3R)-1-(2-(isoxazol-3-yl)-1H-imidazol-4-yl)butane-1,2,3,4-tetraol and hydrates thereof are disclosed, as well as compositions comprising them and methods of their use.

Claims (8)

1. A crystalline hydrate of (1R,2S,3R)-1-(2-(isoxazol-3-yl)-1H-imidazol-4-yl)butane-1,2,3,4-tetraol.

2. A crystalline anhydrite of (1R,2S,3R)-1-(2-(isoxazol-3-yl)-1H-imidazol-4-yl)butane-1,2,3,4-tetraol.

3. A pharmaceutical composition comprising the crystalline hydrate of claim 1 .

4. A pharmaceutical composition comprising the crystalline anhydrate of claim 2 .

5. A method of reducing the number of circulating lymphocytes in a patient, which comprises administering to the patient an effective amount of the crystalline hydrate of claim 1 .

6. A method of reducing the number of circulating lymphocytes in a patient, which comprises administering to the patient an effective amount of the crystalline anhydrate of claim 2 .

7. A method of treating or managing rheumatoid arthritis, which comprises administering to a patient in need thereof a therapeutically effective amount of the crystalline hydrate of claim 1 .

8. A method of treating or managing rheumatoid arthritis, which comprises administering to a patient in need thereof a therapeutically effective amount of the crystalline anhydrate of claim 2 .

Assignments (9)
RELEASE OF SECURITY INTEREST Recorded May 5, 2026
From: OXFORD FINANCE LLC
To: LEXICON PHARMACEUTICALS, INC.; LEXICON PHARMACEUTICALS
Reel/Frame 075545/0601 →
SECURITY INTEREST Recorded May 4, 2026
From: LEXICON PHARMACEUTICALS, INC.; LEXICON PHARMACEUTICALS (NEW JERSEY), INC.; LION ACQUISITION CORPORATION
To: HERCULES CAPITAL, INC., AS AGENT
Reel/Frame 075498/0899 →
SECURITY INTEREST Recorded Mar 17, 2022
From: LEXICON PHARMACEUTICALS, INC.
To: OXFORD FINANCE LLC, AS COLLATERAL AGENT
Reel/Frame 059432/0709 →
RELEASE OF SECURITY INTEREST Recorded Sep 14, 2020
From: BIOPHARMA CREDIT PLC
To: LEXICON PHARMACEUTICALS, INC.
Reel/Frame 053767/0445 →
SECURITY INTEREST Recorded Dec 20, 2017
From: LEXICON PHARMACEUTICALS, INC.
To: BIOPHARMA CREDIT PLC
Reel/Frame 044958/0377 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 28, 2010
From: LEXICON PHARMACEUTICALS (NEW JERSEY), INC.
To: LEXICON PHARMACEUTICALS, INC.
Reel/Frame 023865/0794 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 28, 2010
From: SIGMA-ALDRICH COMPANY LIMITED
To: LEXICON PHARMACEUTICALS (NEW JERSEY), INC.
Reel/Frame 023865/0771 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 28, 2010
From: BUTTAR, SUZANNE MARIE; FRAMPTON, CHRISTOPHER STEPHEN
To: SIGMA-ALDRICH COMPANY LIMITED
Reel/Frame 023865/0668 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 28, 2010
From: BURGOON, HUGH ALFRED
To: LEXICON PHARMACEUTICALS, INC.
Reel/Frame 023865/0437 →