The present invention provides pyridin-oxadiazole/thiadiazole derivatives of Formula I wherein A is N or CR 4a; and (ii) or (iii) which restore or enhance the function of mutant and/or wild type CFTR to treat cystic fibrosis, primary ciliary dyskinesia, chronic bronchitis, chronic obstructive pulmonary disease, asthma, respiratory tract infections, lung carcinoma, xerostomia and keratoconjunctivitis sire, or constipation (IBS, IBD, opioid induced). Pharmaceutical compositions comprising such derivatives are also encompassed.
本发明提供了式I的
吡啶-
噁唑/
噻唑衍
生物,其中A是N或CR 4a; 以及(ii)或(iii),其恢复或增强突变和/或野生型CFTR的功能以治疗囊性纤维化,原发性纤毛运动障碍,慢性支气管炎,慢性阻塞性肺疾病,哮喘,呼吸道感染,肺癌,干燥口腔和角膜结膜炎,或便秘(IBS,IBD,阿片类药物引起)。还包括含有这种衍
生物的制药组合物。