Abstract

The use of glutamate 2b receptor antagonists and sigma receptor agonists as antitussives to treat or prevent a cough is disclosed. In preferred embodiments, the glutamate 2b receptor antagonist is ifenprodil or radiprodil. Preferred sigma receptor agonists include fluvoxamine, fluoxetine, excitalpram, and donepezil.

IPC Classes  ?

• A61K 31/454 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone
• A61P 11/14 - Antitussive agents
• C07C 217/54 - Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
• C07C 251/58 - Oximes having oxygen atoms of oxyimino groups bound to carbon atoms of substituted hydrocarbon radicals of hydrocarbon radicals substituted by nitrogen atoms not being part of nitro or nitroso groups
• C07D 211/14 - Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with radicals containing only carbon and hydrogen atoms attached to ring carbon atoms with hydrocarbon or substituted hydrocarbon radicals attached to the ring nitrogen atom
• C07D 211/32 - Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by doubly bound oxygen or sulfur atoms or by two oxygen or sulfur atoms singly bound to the same carbon atom by oxygen atoms
• C07D 307/87 - Benzo [c] furansHydrogenated benzo [c] furans
• C07D 413/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links

Abstract

The use of pharmaceutically active compounds for treating chronic lung diseases including idiopathic pulmonary fibrosis is disclosed. The compounds include NMDA receptor antagonists, glutamate 2b receptor antagonists and sigma receptor agonists. In particular, the use of bromantane, ifenprodil, radiprodil, bemithyl and repirinast are effective in treating idiopathic pulmonary fibrosis. Methods of use thereof are also disclosed.

IPC Classes  ?

• A61K 31/445 - Non-condensed piperidines, e.g. piperocaine
• A61K 31/454 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone
• A61P 11/00 - Drugs for disorders of the respiratory system