Hoechst Roussel Pharmaceuticals

Sk Corporation

Kwon H Kim

Yong Moon Choi

Norman L Henderson

Lianli Li

Yie W Chien

Barry Koplowitz

A novel method of vehicle modulated administration of an anticonvulsive agent to the mucous membranes of humans and animals is disclosed. The vehicle system is an aqueous pharmaceutical carrier comprising an aliphatic alcohol (10&#x2013;80%) or a glycol (10&#x2013;80%), and their combinations with a biological surfactant such as a bile salt or a lecithin. The pharmaceutical composition provides a means to control and promote the rate and extent of transmucosal permeation and absorption of the medicaments via a single and multiple administration. Nasal administration of the pharmaceutical preparation produces a high plasma concentration of the anticonvulsant nearly as fast as intravenous administration. Such compositions are particularly suitable for a prompt and timely medication of patients in the acute and/or emergency treatment of status epilepticus and other fever-induced seizures.

Transnasal anticonvulsive compositions and modulated process

A method of vehicle modulated administration of an anticonvulsive agent to the nasal mucous membranes of humans and animals is disclosed. The vehicle system is an aqueous pharmaceutical carrier comprising an aliphatic alcohol, a glycol and a biological surfactant such as a bile salt or a lecithin. The pharmaceutical composition provides a means to control and promote the rate and extent of transmucosal permeation and absorption of the medicaments via a single and multiple administration. Nasal administration of the pharmaceutical preparation produces a high plasma concentration of the anticonvulsant nearly as fast as intravenous administration. Such compositions are particularly suitable for a prompt and timely medication of patients in the acute and/or emergency treatment of status epilepticus and other fever-induced seizures.

Novel compositions comprising an antiandrogenic compound of the formula ##STR1## wherein R is COR.sub.1 wherein R.sub.1 is loweralkyl and a vehicle comprising a metabolism modulator and a polar organic solvent, and a method of controlling the membrane permeation and metabolism of the compound thereof are disclosed.

Transdermal antiandrogenic compositions and modulated process

A laminar structure for administering a chemical at a controlled release rate is disclosed. The structure comprises a backing member which acts as a boundary through which the chemical does not pass. Contacting at least a portion of the backing member is a chemical containing layer having therein a first chemical portion and a second chemical portion. The first and second chemical portions comprise a mixture of chemical in a first concentration transport mode and a second concentration transport mode. The mixture being in a ratio to give a desired chemical release rate from the chemical containing layer.

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Bridgewater, NJ, United States of America

Kwon H Kim