Methods of treating a condition which is treatable with SSR-125543 or a pharmaceutically acceptable salt thereof in a subject in need thereof are provided. The methods of treatment include predicting a treatment response of a subject to a treatment with SSR-125543 and/or detecting a polymorphism genotype associated with a treatment response of a subject to treatment with SSR-125543. Sets of at least one polymorphism genotype useful in the predicting and/or detecting steps are also disclosed.
