Patent application number | Description | Published |
20130337022 | PHARMACEUTICAL DOSAGE FORM - A pH responsive and mucoadhesive pharmaceutical dosage form for the release of a pharmaceutically active agent is described. The dosage form includes a mucoadhesive layer for site-specific mucoadhesion, a water-insoluble outer layer, and an intermediate layer including one or more pharmaceutically active agents for site-specific delivery. The different membranous layers perform different functions in order to create a drug delivery system which is able to deliver a drug to a specific site, for a particular period of time and with a specific drug release pattern. The dosage form can have two or more intermediate layers, each layer comprising an active agent. The mucoadhesive layer can also include an active agents. The dosage form is preferably an oral or buccal delivery form for release of the active agent into the gastro intestinal tract. The intermediate layer can be an electrospun fibrous membrane layer containing the active agent. | 12-19-2013 |
20130338569 | POLYMERIC HYDROGEL COMPOSITIONS WHICH RELEASE ACTIVE AGENTS IN RESPONSE TO ELECTRICAL STIMULUS - A polymeric hydrogel composition is described for the delivery of a pharmaceutically active agent when an electrical stimulus is applied to the composition. The composition comprises a polymer which forms the hydrogel, such as poly vinyl alcohol (PVA) cross-linked with diethyl acetamidomalonate (DAA), an electroactive polymer such as polyaniline and a pharmaceutically active agent such as an analgesic, and in particular, indomethacin. The composition can be subcutaneously implanted at a targeted site and under normal conditions, the active agent will be entrapped in the hydrogel itself. However, upon the application of an electric current to the hydrogel, the active agent will be released. When the electric current is removed, the change is reversed and the active agent will cease to be released. In one embodiment of the invention, the hydrogel composition is for use in alleviating chronic pain. | 12-19-2013 |
20130344125 | DRUG DELIVERY DEVICE - The invention provides an implantable intracranial device for the site-specific delivery of a pharmaceutically active agent to a human or animal for treating a mental or neurological disorder, such as Alzheimer's disease, schizophrenia or other psychoses. The biodegradable device includes a pharmaceutically active agent for treating the disorder, polymeric nano-lipoparticles into or onto which the pharmaceutically active agent is embedded; and a polymeric matrix or scaffold incorporating the nano-lipoparticles. The nano-lipoparticles can be in the form of nano-liposhells or nano-lipobubbles. The nano-liposhells or nano-lipobubbles can include an essential fatty acid or can be conjugated to a peptide ligand which targets the device to a specific cell into which the therapeutic agent can be delivered. The device can be implanted in the sub-arachnoid space in the region of the frontal lobe of the brain. | 12-26-2013 |
20140004185 | PHARMACEUTICAL COMPOSITION | 01-02-2014 |
20140005269 | POLYMERIC MATRIX OF POLYMER-LIPID NANOPARTICLES AS A PHARMACEUTICAL DOSAGE FORM | 01-02-2014 |
20140023692 | DRUG DELIVERY DEVICE - The invention provides an inflammation-responsive implantable device for the in situ delivery of one or more pharmaceutically active agents to a human or animal. The device comprises two differential release bioresponsive polymeric matrices (BPMs): an outer polymetric matrix and an inner polymeric matrix, both of which contain at least one pharmaceutically active agent or drug, typically an antibiotic and an anti-inflammatory agent, respectively. The therapeutically effective agent may be embedded in nanoparticles or nanobubbles. In response to inflammation, the pharmaceutically active agents are released, but at different rates: the rate of drug release from the inner polymeric matrix is lower than the rate of drug release from the outer polymeric matrix. Suitable polymers for forming the outer and inner polymeric matrices are hyaluronic acid and chitosan, respectively. A method of making the device and a method of treatment are also described. | 01-23-2014 |
20150202153 | LIPOSOMAL DRUG DELIVERY SYSTEM - The invention relates to a drug delivery system, particularly to a liposomal drug delivery system. Most particularly the invention relates to a liposomal drug delivery system for the release of at least one drug compound at a target site within a human or animal body. The invention extends to a method of manufacturing the drug delivery system. | 07-23-2015 |
20150313837 | POLYMERIC HYDROGEL COMPOSITIONS WHICH RELEASE ACTIVE AGENTS IN RESPONSE TO ELECTRICAL STIMULUS - A polymeric hydrogel composition is described for the delivery of a pharmaceutically active agent when an electrical stimulus is applied to the composition. The composition comprises a polymer which forms the hydrogel, such as poly vinyl alcohol (PVA) cross-linked with diethyl acetamidomalonate (DAA), an electroactive polymer such as polyaniline and a pharmaceutically active agent such as an analgesic, and in particular, indomethacin. The composition can be subcutaneously implanted at a targeted site and under normal conditions, the active agent will be entrapped in the hydrogel itself. However, upon the application of an electric current to the hydrogel, the active agent will be released. When the electric current is removed, the change is reversed and the active agent will cease to be released. In one embodiment of the invention, the hydrogel composition is for use in alleviating chronic pain. | 11-05-2015 |