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http://files.pharmtech.com/alfresco_images/pharma/2014/08/22/c438a918-1d9e-4199-b424-ccfa56cc5fdd/article-66511.pdf
Drug delivery systems such as oral controlled-release dosage forms, transdermal patches, and implants are used to overcome these chal-Aditya M.Kaushal and Sanjay Garg* T An Update on Osmotic Drug Delivery Patents Patents contain a large part of what scientists know about osmotic drug delivery.Because patents are difficult to read, understand, and
http://connection.ebscohost.com/c/articles/10594246/update-osmotic-drug-delivery-patents
Provides an update on osmotic drug delivery patents. Pulsatile drug delivery; Solubility modulation for pulsed release; Multiparticulate pulsatile drug delivery system; pulsatile delivery based on an expandable orifice; Pulsatile delivery by a series of stops; Telescopic capsules for delayed release.
https://patents.google.com/patent/US8747897B2/en
The present invention is directed to the oral osmotic delivery of therapeutic compounds that have high aqueous solubility but demonstrate an erratic or incomplete, e.g., release from an elementary osmotic pump (EOP) delivery system, e.g., due to reduced solubility …Author: Edward M. Rudnic, Beth A. Burnside, Henry H. Flanner, Sandra E. Wassink, Richard A. Couch, Jill E. P...
http://www.eurekaselect.com/90111/article/overview-recent-patents-oral-osmotic-drug-delivery-systems
Among various NDDS, osmotic drug delivery systems (ODDS) are most interesting and widely applicable. Osmotic drug delivery system use osmotic pressure for controlled delivery of active agent(s). Drug delivery from these systems, to a large extent is independent of the physiological factors of gastrointestinal tract.
https://patents.google.com/patent/JP6242371B2/en
The present invention relates to osmotic drug delivery systems that incorporate release enhancer (s) (release enhancers) to achieve complete and predictable release of such agents. Furthermore, it relates to a method for oral delivery of prostacyclin, treprostinil, particularly in sustained release solid dosage forms.Author: Edward M. Rudnic, Beth A. Burnside, Henry H. Flanner, Sandra E. Wassink, Richard A. Couch, Jill E. P...
https://patents.google.com/patent/US9393203B2/en
The present invention is directed to the oral osmotic delivery of therapeutic compounds that have high aqueous solubility but demonstrate an erratic or incomplete, e.g., release from an elementary osmotic pump (EOP) delivery system. e.g., due to reduced solubility …Author: Edward M. Rudnic, Beth A. Burnside, Henry H. Flanner, Sandra E. Wassink, Richard A. Couch, Jill E. P...
https://patents.google.com/patent/US4439196A/en
An osmotic drug (or other beneficial substance) delivery system comprises a multi-chamber compartment formed by an external shell and one or more chamber-dividing walls each with a small orifice, of a microporous material and overlayers of semipermeable membranes completely covering the outer shell of all but one chamber and substantially covering the outer shell of the remaining chamber.Author: Edward M. Rudnic, Beth A. Burnside, Henry H. Flanner, Sandra E. Wassink, Richard A. Couch, Jill E. P...
https://patents.google.com/patent/US6110498A/en
An osmotic drug delivery system, preferably in tablet form, which dispenses a therapeutic agent having limited water solubility in solubilized form. The delivery system comprises a core that is free of swellable polymers and comprises nonswelling solubilizing agents and wicking agents. The solubilized therapeutic agent is delivered through a passageway in the semipermeable coating of the tablet.Author: Edward M. Rudnic, Beth A. Burnside, Henry H. Flanner, Sandra E. Wassink, Richard A. Couch, Jill E. P...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3407637/
Jul 17, 2012 · The rate at which the core absorbs water depends on the osmotic pressure generated by the core components and the permeability of the membrane coating. As the core absorbs water, it expands in volume, which pushes the drug solution or suspension out of the tablet through one or more delivery ports [ 12, 13 ].Author: Rajesh A. Keraliya, Chirag Patel, Pranav Patel, Vipul Keraliya, Tejal G. Soni, Rajnikant C. Patel, M...
https://www.researchgate.net/publication/317616211_Osmotic_Drug_Delivery_Systems_A_Review
Osmotic drug delivery systems release the drug with the zero order kinetics which does not depend on the initial concentration and the physiological factors of GIT.Author: Pallavi Kurra
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