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Which drugs does patent 5,753,706 protect, and when does it expire?

Patent ► Subscribe protects AURYXIA and is included in one NDA.

This patent has fifteen patent family members in twelve countries.

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Title:	Methods for treating renal failure
Abstract:	Methods of controlling phosphate metabolism and metabolic acidosis in patients suffering from renal failure and associated hyperphosphatemia or patients predisposed to development of a hyperphosphatemic condition are provided. The method in accordance with this invention comprises administering to a patient a ferric-containing compound selected from the group consisting of ferric citrate, ferric acetate, and combinations thereof. Therapeutic benefit can be realized in accordance with such method by administering the compound orally to a patient to contact and bind with ingested phosphate in the patient's digestive tract, and thereby prevent its intestinal absorption.
Inventor(s):	Hsu; Chen Hsing (Ann Harbor, MI)
Assignee:
Application Number:	08/794,328
Patent Claim Types: see list of patent claims	Use; Composition; Dosage form;

Glossary

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Type	RLD	RS	Patent No.	Patent Expiration	Product	Patented / Exclusive Use
Keryx Biopharms	AURYXIA	ferric citrate	TABLET;ORAL	205874-001	Sep 5, 2014	RX	Yes	Yes	► Subscribe	► Subscribe	Y	CONTROL OF SERUM PHOSPHOROUS LEVELS

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International Patent Family for Patent: ► Subscribe

Country	Document Number	Estimated Expiration
Norway	992936	► Subscribe
South Korea	100464504	► Subscribe
Japan	2007217429	► Subscribe
Japan	4173553	► Subscribe
Japan	2001506262	► Subscribe

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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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