IP Library Granted Patent US 7,488,496
Granted Patent B2
US 7,488,496 · App. 10/273,081 · Granted Feb 10, 2009

Effervescent compositions comprising bisphosphonates and methods related thereto

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Quick Facts
Patent No.
US 7,488,496
App. No.
10/273,081
Granted
Feb 10, 2009
Kind
B2
Abstract

The invention provides effervescent composition comprising a bisphosphonate, an acidic compound, an alkaline effervescing component, and optionally an anti-ulcer agent and methods of treating osteoporosis in a mammal using the effervescent compositions.

Claims (9)

1. An effervescent composition comprising:

(a) 50 mg to 120 mg alendronate

(b) citric acid, and

(c) an alkaline effervescing component which is a carbonate salt or a bicarbonate salt, wherein the composition has a total weight of 3500 mg to about 6000 mg and when dissolved in water produces a solution having a buffered pH of about 4 to about 6.5 and has buffering capacity sufficient to mediate the pH of a patient's stomach for at least 15 minutes.

2. The composition of claim 1 , wherein the alkaline effervescing component comprises a carbonate salt and a bicarbonate salt.

3. The composition of claim 1 , wherein the acid component and the alkaline effervescing component are at least partially reacted with each other during granulation with the bisphosphonate.

4. The composition of claim 1 , further comprising a sweetener or flavorant.

5. The composition of claim 1 , further comprising a solubilizing agent.

6. The composition of claim 5 , wherein the solubilizing agent is selected from the group consisting of polyvinylpyrrolidones, polyethylene glycols, dextrans, and combinations thereof.

Assignments (4)
CHANGE ASSIGNEE'S ADDRESS Recorded Sep 17, 2013
From: EFFRX PHARMACEUTICALS SA
To: EFFRX PHARMACEUTICALS SA
Reel/Frame 031227/0035 →
LIEN Recorded Jul 11, 2012
From: EFFRX INC
To: ATENEUM AB, REG. NO. 556521-4391
Reel/Frame 028531/0063 →
NUNC PRO TUNC ASSIGNMENT Recorded Oct 24, 2011
From: EFFRX, INC.
To: EFFRX PHARMACEUTICALS SA
Reel/Frame 027111/0549 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 7, 2008
From: ROSEN, CHRISTER
To: EFFRX, INC.
Reel/Frame 021804/0178 →
Continuity (2)
Continuation In Part 1009208300 · Mar 6, 2002
Related Publication 20030175340A1 · Sep 18, 2003