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|Title:||Medical use for tachykinin antagonists|
|Abstract:||The present invention relates to the use of tachykinin antagonists, including substance P antagonists and other neurokinin antagonists, in the treatment of emesis. Also described are novel tachykinin antagonists of formula (I), processes for their preparation, pharmaceutical compositions containing them and their medical use. ##STR00001## wherein R represents the ring A ##STR00002## or 2-pyridinyl or 2-pyridinyl-N-oxide; R.sup.1 is selected from halogen atoms and C.sub.1-4alkyl, C.sub.1-4alkoxy, trifluoromethyl, and S(O).sub.nC.sub.1-4alkyl groups; R.sup.2 and R.sup.3, which may be the same or different, each independently are selected from hydrogen and halogen atoms and C.sub.1-4alkyl, C.sub.1-4alkoxy, trifluoromethyl and cyano groups; n represents zero, 1 or 2; and pharmaceutically acceptable salts and solvates thereof.|
|Inventor(s):||Hagan; Russell Michael (Ware, GB), Bunce; Keith Thomas (Ware, GB)|
|Assignee:||Glaxo Group Limited (Middlesex, GB)|
|Filing Date:||Nov 18, 2004|
|Claims:||1. A method for the treatment of a mammal suffering from or susceptible to emesis, comprising: administering to said mammal a 5HT.sub.3 receptor antagonist selected from the group consisting of ondansetron, granisetron and metoclopramide; and an NK.sub.1 receptor antagonist which is cis-3-(2-methoxybenzyl)amino-2-phenylpiperidine or a pharmaceutically acceptable salt. |
2. The method according to claim 1, wherein the cis-3-(2-methoxybenzyl)amino-2-phenlypiperidine or pharmaceutically acceptable salt thereof is administered in an amount from about 0.1 to 400 mg per kg body weight of the subject being treated per day and the 5HT.sub.3 receptor antagonist is administered in an effective amount.
3. The method according to claim 2, wherein the cis-3-(2-methoxybenzyl)amino-2-phenlypiperidine or pharmaceutically acceptable salt thereof is administered at a dose of 3 mg/kg.
4. The method according to claim 2, wherein the cis-3-(2-methoxybenzyl)amino-2-phenlypiperidine or pharmaceutically acceptable salt thereof is administered at a dose of 5 mg/kg.