68 results about "Prostaglandin E1" patented technology

A nano-emulsion injection of prostaglandin E1 contains the nano-emulsion particles of rostaglandin E1, the oil for injection, hydrophilic emulsifier, lipophilic emulsifier, isotonic agent, and stabilizer. Its preparing process and its quality control method are also disclosed.

An emulsion composition includes prostaglandin E1 (PGE1), a phospholipid with a high purity and a non-proton-providing surfactant that improves stability of PGE1. Embodiments of the emulsion composition include an effective amount of PGE1, about 1% to about 30% (w / w) of a pharmaceutically acceptable oil as an oil base based on the weight of the emulsion composition, about 1% to about 30% (w / w) of a phospholipid with a high purity based on the weight of the oil base, about 1.6% to about 40% (w / w) of a non-proton-providing surfactant based on the weight of the oil base, and the balance of the emulsion composition being water.

A method is provided of determining whether an individual has reduced ability to form platelet thrombi. An ADP platelet activator and one or platelet inhibitors are provided. At least one of the platelet inhibitors is Prostaglandin E1 (PGE1). An alternate signal transduction pathway is produced. A final concentration of ADP is 2 to 35 μM and a final concentration of PGE1 is 2 to 30 nM, preferably 20 to 25 nM.

Topical gelled compositions comprising a drug which causes vasodilation, and optionally prostaglandin E1, dispersed within a polymer matrix, and methods of treating sexual dysfunction, including both male and female sexual dysfunction, using said compositions.

A method is provided for measuring inhibition of platelet reactivity in an individual treated with a drug-eluting stent (DES). First, a blood sample is obtained from an individual treated with a DES and a P2Y12 antagonist. The blood sample is then mixed with particles comprising an attached GPIIb / IIIa receptor ligand, adenosine diphosphate (ADP) and prostaglandin E1 (PGE1). The mixture is incubated under conditions suitable for agglutinating particles, and platelet-mediated agglutination is assessed in the mixture. The absence or reduction of agglutination indicates that the individual treated with a DES has reduced platelet reactivity. Also provided is a kit for measuring inhibition of platelet aggregation by a P2Y12 receptor antagonist that includes a GPIIb / IIIa receptor ligand immobilized on a particle, adenosine diphosphate (ADP), prostaglandin E1 (PGE1), an anticoagulant, and a buffer to maintain the anticoagulated blood in a condition suitable for platelet aggregation.

Topical gelled compositions comprising a drug which causes vasodilation, and optionally prostaglandin E1, dispersed within a polymer matrix, and, methods of treating sexual dysfunction, including both male and female sexual dysfunction, using said compositions.

A liposome composition used to prepare the medicines for treating tumor, cardiovascular and cerebrovascular disease, altitude ischemia and insomnia is prepared from the mixture of aspirin, prostaglandin E1, antioxidant, 2-hydroxypropyl-beta-dextrin and gamma-dextrin, the mixture of hydrogenated soybean lecithin and yolk lecithin, and the mixture of soybean sterol, polyethanediol-2000, VC and glycine. Its preparing process is also disclosed.

The invention relates to a method for preparing a prostaglandin E1 lipid microsphere injection of a charging non-homogeneous phase (comprising a water phase, an oil / water interfacial film phase and an oil phase) dispersion system, of which the surface of the lipid microsphere can be charged with positive electricity or negative electricity. The prostaglandin E1 is alprostadil, of which the chemical structure comprises a basic skeleton of 20-carbon fatty acid with a 5-carbon ring and two side chains, wherein one side chain is provided with a hydrophilic carboxylic acid group, so that the prostaglandin E1 has the characteristic of light surface activity action. By utilizing the characteristic, and according to the formula and the preparation process provided in the invention, the prostaglandin E1 has an unique drug-carrying mode in a solution of lipid microsphere with the non-homogeneous phase dispersion system, and the prepared lipid microsphere injection is fundamentally different from an alprostadil injection(Kaishi<TM>, and is prepared by adopting the technology of the Japanese business corporation LTT Bio-Pharma Co., Ltd. already sold in markets, and the difference lies in thatthe drug-carrying mode is completely different, the content of degradation products in the preparation such as impurities is more than 50 percent lower than that of in the Kaishi, so that the prostaglandin E1 lipid microsphere injection and the alprostadil injection are fundamentally different. The invention relates to a method for preparing the prostaglandin E1 lipid microsphere injection and the drug-carrying characteristics thereof in a three-phase system; in the formula, 0.0001 to 0.1 weight portion of prostaglandin E1 is used as a drug, the prostaglandin E1 is added with auxiliary materials for medical purpose to prepare the prostaglandin E1 lipid microsphere injection, and the auxiliary materials for medical purpose comprises the following materials in portion by weight: 5 to 20.

In various embodiments, methods and compositions for treating Raynaud's disease and Raynaud's phenomenon are provided. Topical administration of a semisolid composition comprising a prostaglandin E1 compound provides the desired relief of the Raynaud's disease or Raynaud's phenomenon without the possible complications of systemic administration. The semisolid composition can be administered as needed, or in a regimen of several doses per day.

A liposome composition used to prepare the medicines for treating tumor, cardiovascular and cerebrovascular disease, altitude ischemia and insomnia is prepared from the mixture of aspirin, prostaglandin E1, antioxidant, 2-hydroxypropyl-beta-dextrin and gamma-dextrin, the mixture of hydrogenated soybean lecithin and yolk lecithin, and the mixture of soybean sterol, polyethanediol-2000, VC and glycine. Its preparing process is also disclosed.