CPC A61K 31/167 (2013.01) [A61K 9/0073 (2013.01); A61P 11/14 (2018.01)] | 21 Claims |
1. A method of alleviating cough in a patient diagnosed with an interstitial lung disease, said method comprising one or more steps of administering a composition comprising a compound of formula (I):
or a pharmaceutically acceptable salts, esters and crystal forms thereof, to an individual in need thereof, wherein the individual has a cough caused by an interstitial lung disease.
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