57 results about "Granisetron" patented technology

Formulations and methods of manufacture are provided for granisetron dry powder compositions suitable for intranasal administration. Also provided are methods of use for preventing or controlling emesis and other diseases and disorders and devices, compositions, and methods for nasal delivery of therapeutic formulations. Devices for delivery of dry powder formulations are also provided. Devices can be single-use devices.

A disposable skin-worn device for the transdermal delivery at least one dose of charged therapeutic substances, including granisetron, by iontophoresis, the device comprising a donor reservoir containing an amount of a therapeutic substance to be delivered transdermally by iontophoresis, a counter reservoir, a source of electric power connected in a circuit between the donor reservoir and the counter reservoir and a control system for controlling current flow in the circuit to enable at least one dose of the therapeutic substance to be delivered transdermally by iontophoresis and wherein the control system includes a control element selected from the group consisting of a sensor activated by an external signal and a switch.

A transdermal antiemesis system, preferably in the form of a drug-in-adhesive matrix patch, is disclosed comprising an effective antiemesis amount of a selective serotonin (5-HT₃) receptor antagonist as an antiemetic incorporated in a skin adhesive composition containing at least one permeation enhancer and a water-insoluble pressure-sensitive adhesive. A preferred antiemetic is granisetron base. The transdermal antiemesis system of this invention provides controlled release of the active antiemetic ingredient from the skin-contacting adhesive formulation of a transderrnal patch, and maintains a sustained transdermal delivery of the antiemetic.

Compositions are provided for the intranasal administration of granisetron or a pharmaceutically acceptable salt thereof. Preferred compositions are in the form of an aqueous solution. Optionally, the compositions comprise chitosan, a salt or derivative thereof or a salt of a derivative of chitosan. The compositions can be used for the treatment or prevention of nausea and/or vomiting.

The present invention is nasal spray of setron medicine includes the medicine component selected from Ondansetron, tropisetron and granisetron, osmotic pressure regulator and water.

The invention provides a granisetron transdermic absorption plaster with small skin irritation, proper adhesion performance, no crystallization due to granisetron at dissolved state, suitable for long-time proper-amount transdermic administration and preparation method thereof. The the copolyers of 60-70weight% of acrylic acid 2-ethylhexyl ester and 40-30weight% of vinyl-pyrrolidone, a transdermic absorption preparation layer composed of isopropyl myristate, lauric acid diethanolamine and granisetron according the weight ratio of 100:5 - 20:1 - 10:5 - 10 are laminated on one side of a backing layer without permeability to the medicine.

The invention relates to a Granisetron and/or a hydrochloride patch thereof, which comprises a lining layer, a medicine carrying pressure sensitive adhesive layer containing the Granisetron or/and the hydrochloride thereof, and an anti-sticking layer, wherein the medicine carrying pressure sensitive adhesive layer is characterized in that pressure sensitive adhesive contains carboxylic groups; the content of the Granisetron or/and the hydrochloride thereof in percentage by weight is 1%-12%; the medicine carrying pressure sensitive adhesive layer contains metal ions capable of enabling the pressure sensitive adhesive to generate cross linking, and the content of the metal ions in the medicine carrying pressure sensitive adhesive layer in percentage by weight is 0.05%-2%; and the medicine carrying pressure sensitive adhesive layer contains organic acids with 2-18 carbon atoms, and the molar ratio of the adding amount of the organic acids to the adding amount of the Granisetron or/and the hydrochloride thereof is (1-5):1. The patch of the invention can obviously increase the percutaneous infiltration capacity of the Granisetron and improve the solvent resistant and ageing resistant action of the substrate, can be applied to preventing and treating the symptoms of nausea, emesis and the like caused by radiotherapy, chemotherapy and operations, and has great foreseeable economic value and social value.

The invention discloses a preparation method of a traditional Chinese medicine ointment for preventing and treating delayed nausea and vomiting caused by chemotherapy. The preparation method comprises the steps that raw materials are smashed; smashed amomum villosum is fetched for extracting amomum villosum volatile oil by a steam distillation method; fresh ginger is juiced to obtain ginger juice; and smashed pinellia rhizoma prepared by ginger, cassia twigs, agastache rugosus, fructus evodiae, inula flower, pericarpium citri reticulatae, ligusticum wallichii, menthol, folia perillae acutae, endothelium corneum gigeriae galli, sea-buckthorn, the amomum villosum volatile oil and the ginger juice are evenly mixed and added with honey to be stirred in a paste shape, and the traditional Chinese medicine ointment is obtained. The preparation method has the advantages that the composition is rigorous, preparation is easy, irritation is avoided, the price is low, operation is simple and convenient, the ointment can be accepted by patients easily, and the ointment has a wide clinical application prospect. The invention further discloses application of the traditional Chinese medicine ointment for treating delayed nausea and vomiting combined with granisetron and dexamethasone. The traditional Chinese medicine ointment can well treat delayed nausea and vomiting and inappetence caused by cis-platinum, also can relieve the side effects, like constipation of patient, caused by the usage of the granisetron and dexamethasone, has good compliance, and reaches the international leading level.

The invention discloses a granisetron membrane preparation and a preparation method of the granisetron membrane preparation. Granisetron, membrane-forming material, water, plasticizers, surface active agents, preservatives, coloring agents and flavoring agents are used for preparing membrane agents. The granisetron can be uniformly dispersed in the membrane material in a molecule state, in an amorphous or micelle mode, the membrane agents can be rapidly melted when contacting with water. The granisetron membrane preparation has the advantages that the dissolving is quick and the action is rapid.

The invention discloses a long-acting transdermal patch containing granisetron. The transdermal patch comprises a lining membrane, a pressure-sensitive adhesive skeleton medicine-storing layer and an antisticking layer. The pressure-sensitive adhesive skeleton medicine-storing layer comprises mixed pressure-sensitive adhesives and the granisetron, wherein the mixed pressure-sensitive adhesives comprise a hydroxy-containing acrylate pressure-sensitive adhesive and a carboxyl-containing acrylate pressure-sensitive adhesive in a weight ratio of 1:5-2:1. The long-acting transdermal patch adopts the mixed pressure-sensitive adhesives as a skeleton is provided. The granisetron can exist in the pressure-sensitive adhesive skeleton stably in a dissolved state, does not crystallize or precipitate, and can be stably released on skin because of unique infiltration promoting effects of the transdermal patch. The transdermal patch is advantaged by low skin irritation.

A transdermal composition of the present invention comprises (a) a matrix containing (i) 20 to 80 % by weight of an alcohol, (ii) 1 to 50 % by weight of a skin penetration enhancer selected from the group consisting of a fatty acid and a derivative thereof, a fatty alcohol and a derivative thereof, an amide, a terpene, a surfactant and a mixture thereof, and (iii) 15 to 80 % by weight of water; and (b) 1 to 15 % by weight, based on the weight of the matrix, of an antivomiting agent selected from the group consisting of tropisetron, ondansetron, granisetron and pharmaceutically acceptable salts thereof, which is capable of delivering the antivomiting agent efficiently over a period of a day or more without skin irritation.

The invention relates to a transdermal patch used for treating nausea and vomiting, and a preparation method thereof. The invention provides a transdermic-absorption frame-work patch. A ransdermic-absorption preparation layer composed of an acrylic adhesive, isopropyl myristate, diethanolamine laurate, rosin ester, and granisetron with a weight ratio of 40-70:5-30:2-10:5-24:5-15 is laminated on one side of a backing layer which is non-permeable to medicine.

The invention discloses a traditional Chinese medicine combination for preventing and treating delayed nausea and vomiting caused by chemotherapy. The traditional Chinese medicine combination comprises, by weight, 20-25 parts of pinellia rhizoma prepared by ginger, 15-20 parts of cassia twigs, 10-15 parts of agastache rugosus, 10-15 parts of fructus amomi, 8-12 parts of fructus evodiae, 4-10 parts of inula flower, 4-6 parts of pericarpium citri reticulatae, 10-16 parts of ginger juice and 1-3 parts of menthol. The traditional Chinese medicine combination has the advantages of being rigorous in composition, easy to prepare, free of stimulus, low in cost, easy to operate and capable of being accepted by patients easily. The traditional Chinese medicine combination is combined with granisetron and dexamethasone for use, can well treat delayed nausea and vomiting and loss of appetite caused by cis-platinum, also can relieve the side effects, like constipation of patient, caused by the usage of the granisetron and dexamethasone, provides a novel way for delayed nausea and vomiting patients, fills the blank of treating the delayed nausea and vomiting through traditional Chinese medicine at home and abroad, and reaches the international leading level.

Provided is a transdermal absorption-type patch containing a serotonin receptor antagonist, which has a short transdermal absorption delay time (lag time), and in which the maximum transdermal permeation rate of the drug can be reached within a short time and the drug can disappear from circulating blood rapidly. That is, provided is a patch containing a serotonin receptor antagonist, wherein the patch contains an adhesive layer comprising a non-functional acrylic adhesive, a water-soluble organic amine, a fatty acid ester, and a serotonin receptor antagonist such as granisetron as an active ingredient.

The invention relates to a preparation method of granisetron sustained-release microspheres. The method comprises the following steps: dissolving granisetron and a degradable polymer containing a hydrophobic chain segment in an organic solvent to obtain a drug-containing polymer solution; adding the drug-containing polymer solution to an aqueous phase with stirring to form O/W emulsion, and removing the organic solvent from the emulsion, wherein the aqueous phase contains a stabilizer, and the ratio of the stabilizer to the aqueous phase is 0.1-5% (w/v); and adding the obtained dispersion system into water for solidification under the condition of stirring to obtain the granisetron sustained-release microspheres. The granisetron sustained-release microspheres disclosed by the invention aresuitable in particle size, round in shape, high in encapsulation rate, good in drug loading rate, free from sudden release phenomenon, and capable of effectively solving the problems of short releasetime of a preparation and poor compliance of a patient.

The invention relates to a 3 alpha-high tropine aliphatic amine salt, crystal formation and preparation method, which is to resolve problems of poor stability for preparing midbody of Granisetron, inconvenience for storage and transportation and low purity of final products. The 3 alpha-high tropine aliphatic amine is dissolved in one or more organic solvents and 1-10 equivalent hydrochloric acid, sulphuric acid or phosphoric acid are added in for crystallization and filtration after mixing to cool. 1 to 20-fold water and 10 to 100-fold alcohols solvent are used for recrystallization for cooling, crystallization, filtration and vacuum drying for 12 hours.

Sprayable aqueous pharmaceutical compositions containing granisetron or a pharmaceutically salt thereof, and pharmaceutically acceptable inactive ingredients, including tonicity agents, preservatives, and water soluble polymers with bioadhesive properties and/or capable of changing the rheological behavior in relation to ions, pH and temperature. The compositions are intranasally administered to a subject in need thereof in the rapid management and or prevention of nausea and/or vomiting induced by cytotoxic chemotherapy, radiation, or surgery. The composition has the advantages of rapid absorption and onset of action, prolonged drug plasma concentration and pharmacological effects comparable to intravenous infusion, as well as reduced nasal stinging sensation.

The invention relates to the field of pharmaceutic preparations and in particular relates to a granisetron and dexamethasone compound percutaneous controlled release patch and a preparation method thereof. The granisetron and dexamethasone compound percutaneous controlled release patch is characterized by being composed of a lining layer, a pressure-sensitive adhesive skeleton pattern medicine-containing storage layer and a protective film, wherein the pressure-sensitive adhesive skeleton pattern medicine-containing storage layer contains granisetron, dexamethasone, a transdermal penetration enhancer, a cross-linking agent, a plasticizer and pressure-sensitive adhesive, the transdermal penetration enhancer is azone preferably, and the content of azone is 2-5wt% based on the total weight of the pressure-sensitive adhesive skeleton pattern medicine-containing storage layer. The granisetron and dexamethasone compound percutaneous controlled release patch overcomes the defect that osmolality is unstable as difference between oil-water partition coefficients of granisetron and dexamethasone is large, and two medicines, namely granisetron and dexamethasone with different physical and chemical properties, have high osmolality and also maintain high blood concentration in a long time.

Stable liquid pharmaceutical compositions comprise granisetron or a pharmaceutically acceptable salt thereof.