Details for Patent: 6,228,398

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Summary for Patent: 6,228,398

Title:	Multiparticulate modified release composition
Abstract:	The invention relates to a multiparticulate modified release composition that in operation delivers an active ingredient in a pulsed or bimodal manner. The multiparticulate modified release composition comprises an immediate release component and a modified release component; the immediate release component comprising a first population of active ingredient containing particles and the modified release component compnsimg a second population of active ingredient containing particles coated with a controlled release coating; wherein the combination of the immediate release and modified release components in operation deliver the active ingredient in a pulsed or a bimodal manner. The invention also relates to a solid oral dosage form containing such a multiparticulate modified release composition. The plasma profile achieved by the multiparticulate modified release composition is advantageous in reducing patient tolerance to the active ingredient and in increasing patient compliance by reducing dosage frequency.
Inventor(s):	Devane; John G. (Athlone, IE), Stark; Paul (Athlone, IE), Fanning; Niall M. M. (Athlone, IE)
Assignee:	Elan Corporation, PLC (Dublin, IE)
Application Number:	09/566,636
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 6,228,398
Patent Claim Types: see list of patent claims	Composition; Delivery; Formulation; Dosage form; Use;

Drugs Protected by US Patent 6,228,398

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

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