Method of promoting mucosal hydration with certain uridine,...

A - Human Necessities – 61 – K

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A61K 31/70 (2006.01) A61K 31/7072 (2006.01) A61P 43/00 (2006.01)

Patent

CA 2359891

A method and preparation for the stimulation of mucosal hydration in a subject in need of such treatment is disclosed. The method comprises administering to the mucosal surfaces of the subject a purinergic receptor agonist such as uridine 5'-diphosphate (UDP), dinucleotides, cytidine 5'-diphosphate (CDP), adenosine 5'-diphosphate (ADP), or their therapeutically useful analogs and derivatives, in an amount effective to stimulate mucin secretion. Pharmaceutical formulations and methods of making the same are also disclosed. Methods of administering the same would include: topical administration via a liquid, gel, cream, or as part of a contact lens or selective release membrane; or systemic administration via nasal drops or spray, inhalation by nebulizer or other device, oral form (liquid or pill), injectable, intra- operative instillation or suppository form. A method for facilitating the expectoration of sputum for the purpose of detecting cellular abnormalities indicative of lung disease is also disclosed.

La présente invention concerne une méthode et une préparation permettant de stimuler l'hydratation des muqueuses chez un patient. Cette méthode comprend l'administration à la surface des muqueuses du patient d'un agoniste du récepteur purinergique tel que l'uridine 5'-diphosphate (UDP), des dinucléotides, la cytidine 5'-diphosphate (CDP), l'adénosine 5'-diphosphate (ADP), ou leurs analogues et dérivés thérapeutiquement utiles, en quantité efficace pour stimuler la sécrétion de mucine. Cette invention concerne aussi des préparations pharmaceutiques et des méthodes permettant leur réalisation. Les méthodes permettant d'administrer ces préparations comprennent: l'administration topique via un liquide, un gel, une crème ou via un verre de contact ou une membrane à libération sélective, l'administration systémique via des gouttes nasales ou par pulvérisateur, l'inhalation par nébuliseur ou autre dispositif, par voie orale (liquide ou pilule), par injection, par injection peropératoire ou encore sous forme de suppositoire. L'invention concerne aussi une méthode facilitant l'expectoration de crachats dans le but de détecter des anomalies cellulaires indicatives de maladie pulmonaire.

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