A substance with sedative effect

A - Human Necessities – 61 – K

Patent

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Details

A61K 31/351 (2006.01) A61K 9/14 (2006.01) A61K 9/22 (2006.01) A61K 9/52 (2006.01) A61K 9/62 (2006.01) A61K 31/35 (2006.01) A61P 25/20 (2006.01)

Patent

CA 2479214

A substance with sedative effect comprises a therapeutically effective amount of a gamma-pyrone such as comenic acid, meconic acid, chelidonic acid, and alike in a pharmaceutically acceptable carrier. When administered at a daily dosage of between 5 and 200 mg of active ingredient per kilogram of a body weight of a patient, the substance can be used to treat various neurotic disorders such as insomnia, anxiety, neurosis, depression as well as withdrawal symptoms for drug addiction patients, especially for patients addicted to opioid-based drugs. The substance can be delivered in a number of ways of systemic administration of a pharmaceutical agent including oral, parenteral, transdermal, and transmucosal administration. For drug addicted patients, the preferred method of administration involves a subcutaneous implant providing a continuous release of an active ingredient at an effective daily rate over the entire treatment period ranging from 5 to 30 days, and preferably from 13 to 20 days.

L'invention concerne une substance ayant une action sédative, qui contient une quantité thérapeutiquement efficace d'un gamma-pyrone, tel que l'acide coménique, l'acide méconique, l'acide chélidonique et analogues, dans un support pharmaceutiquement acceptable. Lorsqu'elle administrée selon une posologie quotidienne de 5 à 200 mg du principe actif par kilogramme du poids corporel d'un patient, la substance de l'invention peut servir à traiter divers troubles névrotiques, tels que l'insomnie, l'anxiété, la névrose, la dépression, ainsi que des symptômes de sevrage chez des patients toxicomanes, en particulier des patients dépendants des opiacés. La substance de l'invention peut être administrée selon plusieurs voies d'administration systémique d'un agent pharmaceutique, notamment l'administration par voie orale, parentérale, transdermique ou transmuqueuse. Pour les patients toxicomanes, la méthode d'administration préférée met en oeuvre un implant sous-cutané assurant une libération continue d'un principe actif, selon une dose quotidienne effective, pendant toute la durée du traitement s'étalant entre 5 et 30 jours et, de préférence, entre 13 et 20 jours.

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