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Last Updated: November 7, 2024

Claims for Patent: 8,846,976

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Summary for Patent: 8,846,976

Title:	Ferric organic compounds, uses thereof and methods of making same
Abstract:	The present invention discloses a novel form of ferric organic compounds, including a form of ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. The ferric organic compounds of the present invention can be delivered effectively by oral route with better delivery to treat patients suffering from hyperphosphatemia, metabolic acidosis and other disorders responsive to ferric organic compound therapy.
Inventor(s):	Kwok; David W. K. (Vancouver, CA), Stoynov; Nikolay Mintchev (Vancouver, CA)
Assignee:	Panion & BF Biotech Inc. (TW)
Application Number:	14/011,357
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 8,846,976
Patent Claims:	1. A method of treating hyperphosphatemia, comprising: administering a therapeutically effective amount of an orally administrable form of ferric citrate to a subject, wherein the orally administrable form is prepared from a form of ferric citrate having an intrinsic dissolution rate of at least 1.88 mg/cm.sup.2/min. 2. The method of claim 1, wherein the intrinsic dissolution rate is 1.88 to 4.0 mg/cm.sup.2/min. 3. The method of claim 1, wherein the intrinsic dissolution rate is 1.9 to 4.0 mg/cm.sup.2/min. 4. The method of claim 1, wherein the ferric citrate has the formula C.sub.6H.sub.5O.sub.7Fe. 5. The method of claim 1, wherein the orally administrable form is a tablet. 6. The method of claim 1, wherein the therapeutically effective amount is about 3 to 6 grams per day. 7. The method of claim 1, wherein the subject is a human being.

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