Spiro-oxindole compounds and their uses as therapeutic agents

The invention relates to spiro-oxindole compounds represented by formula (I) wherein k, j, Q, R1, R2a, R2b, R2c, R2d, R3a, R3b, R3c, and R3d are as defined herein. after, as stereoisomer, enantiomer, tautomer or mixtures thereof; or a pharmaceutically acceptable salt, solvent or prodrug thereof, which is useful for the treatment and / or prevention of sodium channel mediated diseases or conditions, such as pain. The invention also relates to pharmaceutical compositions containing these compounds and to processes for the preparation and use of said compounds.