IP Library Granted Patent US 10,517,886
Granted Patent B2
US 10,517,886 · App. 15/879,802 · Granted Dec 31, 2019

Drug formulations

Inventors: Rajashree Joshi-Hangal (Pleasanton, CA); Chunlin Tang (Walnut Creek, CA); Sanjeev Redkar (Hayward, CA); Harish Ravivarapu (Pleasanton, CA)
Assignee: ASTEX PHARMACEUTICALS, INC.
A61K31/7084A61K9/0019A61K9/19A61K31/706A61K31/708A61K31/7052A61K31/7056A61K31/7064A61K47/10A61K47/20
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 10,517,886
App. No.
15/879,802
Granted
Dec 31, 2019
Kind
B2
Abstract

The invention provides derivatives of decitabine with superior chemical stability and shelf life, with similar physiological activity. The derivatives are provided in a non-aqueous formulation, which further stabilizes the derivatives. Methods of treating one or more myelodysplastic syndromes, leukemia, or solid tumours using the formulations are described.

Claims (16)

1. A composition comprising, in a solution:

a) about 45% to about 85% propylene glycol (w/w);

b) about 5% to about 45% glycerin (w/w); and

c) about 1% to about 30% ethanol (w/w),

wherein the solution is substantially anhydrous.

2. The composition of claim 1 , wherein the composition comprises about 60% to about 70% propylene glycol (w/w).

3. The composition of claim 1 , wherein the composition comprises about 20% to about 30% glycerin (w/w).

4. The composition of claim 1 , wherein the composition comprises about 5% to about 15% ethanol (w/w).

5. The composition of claim 1 , wherein the composition comprises about 65% propylene glycol (w/w).

6. The composition of claim 1 , wherein the composition comprises about 25% glycerin (w/w).

7. The composition of claim 1 , wherein the composition comprises about 10% ethanol (w/w).

8. The composition of claim 1 , wherein the composition is about 65% propylene glycol; about 25% glycerin; and about 10% ethanol (w/w/w).

9. The composition of claim 1 , wherein the composition is 65% propylene glycol; 25% glycerin; and 10% ethanol (w/w/w).

10. The composition of claim 1 , wherein the composition is formulated as part of a pharmaceutical formulation, wherein the pharmaceutical formulation comprises a dinucleotide compound or a pharmaceutically acceptable salt thereof.

11. The composition of claim 10 , wherein the dinucleotide compound or pharmaceutically acceptable salt thereof is present in the pharmaceutical formulation at a concentration of about 80 mg/mL to about 110 mg/mL.

12. The composition of claim 10 , wherein the pharmaceutical formulation further comprises DMSO.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 17, 2018
From: JOSHI-HANGAL, RAJASHREE; TANG, CHUNLIN; REDKAR, SANJEEV; RAVIVARAPU, HARISH
To: ASTEX PHARMACEUTICALS, INC.
Reel/Frame 046891/0062 →
Continuity (4)
Continuation 15174386 · Jun 6, 2016
Continuation 14241635
Provisional Application 61529081 · Aug 30, 2011
Related Publication 20180369267A1 · Dec 27, 2018