Details for Patent: 8,428,709

Which drugs does patent 8,428,709 protect, and when does it expire?

Patent 8,428,709 protects IONSYS and is included in one NDA.

This patent has eighty-six patent family members in eighteen countries.

Summary for Patent: 8,428,709

Title:	Current control for electrotransport drug delivery
Abstract:	Devices, systems and methods for controlling the application of current and/or voltage to deliver drug from patient contacts of an electrotransport drug delivery device by indirectly controlling and/or monitoring the applied current without directly measuring from the cathode of the patient terminal. In particular, described herein are electrotransport drug delivery systems including constant current delivery systems having a feedback current and/or voltage control module that is isolated from the patient contacts (e.g., anodes and cathodes). The feedback module may be isolated by a transistor from the patient contacts; feedback current and/or voltage control measurements may be performed at the transistor rather than at the patient contact (e.g., cathode).
Inventor(s):	Bradley E. White, Paul Hayter, John Lemke, Scot Satre, Corinna X. Chen, Brian W. Read, Jason E. Dougherty
Assignee:	Alza Corp
Application Number:	US13/493,314
Patent Claim Types: see list of patent claims	Use; Delivery;

Drugs Protected by US Patent 8,428,709

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
The Medicines Co	IONSYS	fentanyl hydrochloride	SYSTEM;IONTOPHORESIS, TRANSDERMAL	021338-001	May 22, 2006		DISCN	Yes	No			Y			METHOD FOR IONTOPHORETIC TRANSDERMAL DELIVERY OF FENTANYL HYDROCHLORIDE

International Family Members for US Patent 8,428,709

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2012238095
Australia	2012238096
Australia	2013266914
Australia	2013274873