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https://www.news-medical.net/health/Osmotic-Pressure-Controlled-Drug-Delivery-Systems.aspx
Osmotic Pressure Controlled Drug Delivery Systems. An osmotic oral drug delivery system is one which depends on the mechanics of osmotic pressure variations to regulate the delivery of the drug or active agent. This is a step forward in ensuring controlled, stable, and precise delivery of the drug.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3407637/
Jul 17, 2012 · Osmotic pumps are one of the systems for controlled drug delivery. Osmotic drug delivery systems typically consist of a drug core containing osmogen that is coated with a semipermeable membrane. This coating has one or more delivery ports through which a solution or suspension of the drug is released over time.Author: Rajesh A. Keraliya, Chirag Patel, Pranav Patel, Vipul Keraliya, Tejal G. Soni, Rajnikant C. Patel, M...
http://ijpacr.com/files/05-5.pdf
The pump consists of an osmotic core containing the drug, surrounded by a semipermeable membrane with a delivery orifice. When this pump is exposed to water, the core imbibes water osmotically at a controlled rate, determined by the membrane permeability to water and by the osmotic pressure of the core formulation.File Size: 649KB
http://www.authorstream.com/Presentation/vicky_5593-953587-osmotic-pressure-controlled-drug-delivery-system/
Apr 10, 2011 · Advantage Osmotic drug delivery system for oral and parenteral use offer distinct and practical advantage over other means of delivery. The following advantages contributed to the popularity of osmotic drug delivery system. They typically give a zero order release profile after an initial lag.
https://www.tandfonline.com/doi/abs/10.1081/DDC-100101287
May 25, 2004 · Osmotically controlled drug delivery systems utilize the principles of osmotic pressure for the controlled delivery of active agent(s). The release rate of drug(s) from these systems is independent of the physiological factors of the gastrointestinal (GI) tract to a large extent.Author: R. K. Verma, B. Mishra, S. Garg
http://pharmaquest.weebly.com/uploads/9/9/4/2/9942916/osmotic_drug_delivery.pdf
B) OSMOTIC PRESSURE Rate of drug release from an Osmotic system is directly proportional to Osmotic Pressure of the core formulation In order to achieve optimized and constant Osmotic Pressure in compartment Osmotic agent must be added to tablet Sr. no. Osmogen Osmotic Pressure 1. NaCl 356 2. Fructose 355 3. KCl 345 4. Sucrose 150 5.File Size: 572KB
http://www.thepharmajournal.com/vol1Issue7/Issue_sept_2012/23.1.pdf
The osmotic-controlled release oral delivery system, OROS, is an advanced drug delivery technology that uses osmotic pressure as the driving force to deliver pharmacotherapy, usually once-daily, in several therapeutic areas.
http://ijpsr.com/bft-article/oral-osmotic-drug-delivery-system-a-review/?view=fulltext
Oral osmotically controlled release (CR) delivery systems exploit osmotic pressure for controlled delivery of active agents 3. Drug release from these systems is independent of pH and other physiological parameters to a large extent and it is possible to modulate the release characteristics by optimizing the properties of drug and system 2 .
https://www.slideshare.net/shreeraj9183/osmotic-drug-delivery-system-44306707
Feb 05, 2015 · INTRODUCTION Osmotic drug delivery uses the osmotic pressure of drug or other solutes (osmogens or osmagents) for controlled delivery of drugs. Osmotic drug delivery has come a long way since Australian physiologists Rose and Nelson developed an implantable pump in 1955.
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