摘要:
The invention concerns a method for preparing a modified release of active principle. The method comprises the steps of mixing a powder composed of active principle, adjuvant or combinations thereof while heating and fluidizing in order to obtain individual grains, liquefying a lipid matrix agent composed of partial esters of alcohol with at least one fatty acid, coating the powder by spraying from 1 to 15% by weight of the final composition liquid lipid matrix agent over the individual grains, the spraying air pressure, and optionally the spraying rate varying throughout the coating operation and lowering the temperature of the combined product to allow the lipid matrix agent to solidify around the grains.
摘要:
The invention relates to a process for the manufacture of a pharmaceutical composition with modified release of active principle comprising at least one active principle, a lipid matrix agent composed of ester of alcohol with at least one fatty acid and at least one adjuvant. This process is characterized in that: a powder composed of at least one component selected in the group comprising the active principle and the adjuvant, is mixed, while heating and fluidizing, in order to obtain individual grains; the said lipid matrix agent is liquefied separately under warm conditions; the said powder is then coated under warm conditions by spraying the said lipid matrix agent over the individual grains; finally, the temperature of the combined product is lowered in order to allow the lipid matrix agent to solidify.
摘要:
The invention concerns a method for making tablets with active principle sustained-release which consists in: preparing a fluid oil-in-water emulsion; spraying the resulting emulsion on a powder mixture containing at least the active principle; subjecting said treated powder to a compressing step, to obtain tablets.
摘要:
Composition for pharmaceutical or cosmetic use, capable of forming a microemulsion, comprising at least:an active principle,a lipophilic phase consisting of a mixture of fatty acid esters and glycerides,a surfactant (SA),a cosurfactant (CoSA),a hydrophilic phase,characterized:in that the lipophilic phase consists of a mixture of C.sub.8 to C.sub.18 polyglycolized glycerides having a hydrophilic-lipophilic balance (HLB) of less than 16, this lipophilic phase representing from 30 to 75% of the total weight of the composition;in that the surfactant (SA) is chosen from the group comprising saturated C.sub.8 -C.sub.10 olyglycolized glycerides and oleic esters of polyglycerol, this surfactant having an HLB of less than 16;in that the cosurfactant (CoSA) is chosen from the group comprising lauric esters of propylene glycol, oleic esters of polyglycerol and ethyl diglycol;in that the SA/CoSA ratio is between 0.5 and 6;and in that the hydrophilic phase of the final microemulsion is supplied after ingestion by the physiological fluid of the digestive milieu.
摘要:
Composition for pharmaceutical or cosmetic use, capable of providing enhanced bioavailability when ingested, comprising at least a pharmaceutical active ingredient, a lipophilic phase consisting of a mixture of fatty acid esters and glycerides, a surfactant (SA), and a cosurfactant (CoSA). The lipophilic phase consists of a mixture of C8 to C18 polyglycolized glycerides having hydrophilic-lipophilic balance (HLB) of less than 16, this lipophilic phase representing from 32 to 75% of the total weight of the composition. The surfactant (SA) is chosen from the group comprising saturated C8-C10 polyglycolized glycerides and oleic esters of polyglycerol, this surfactant having an HLB of less than 16. The cosurfactant (CoSA) is chosen from the group comprising lauric esters of propylene glycol, oleic esters of polyglycerol and ethyl diglycol. The SA/CoSA ratio is between 0.5 and 6 and the hydrophilic phase of the final microemulsion is supplied after ingestion by the physiological fluid of the digestive milieu.
摘要翻译:用于药物或化妆品用途的组合物,其能够在摄入时提供增强的生物利用度,其包含至少一种药物活性成分,由脂肪酸酯和甘油酯的混合物组成的亲油相,表面活性剂(SA)和辅助表面活性剂(CoSA)。 亲油相由具有小于16的亲水亲油平衡(HLB)的C8至C18聚乙二醇化甘油酯的混合物组成,该亲油相占组合物总重量的32-75%。 表面活性剂(SA)选自饱和C8-C10聚乙二醇化甘油酯和聚甘油油酸酯的组,该表面活性剂的HLB小于16.辅助表面活性剂(CoSA)选自丙二醇月桂酸酯, 聚甘油和乙基二甘醇的油酸酯。 SA / CoSA比值在0.5和6之间,并且最终微乳液的亲水相由消化环境的生理液体摄取后供应。