Processes of preparing pharmaceutical compositions comprising 3-(6-(1-(2,2-difluorobenzo[d][1,3]dioxol-5-yl) cyclopropanecarboxamido)-3-methylpyridin-2-yl)benzoic acid (Compound 1) in Form I and a solid dispersion comprising substantially amorphous N-(5-hydroxy-2,4-ditert-butyl-phenyl)-4-oxo-1H-quinoline-3-carboxamide (Compound 2), methods of treating, lessening the severity of or symptomatically treating CFTR mediated diseases, such as cystic fibrosis, methods of administering, and kits thereof are disclosed.
