1,2,5-thiadiazol-3-YL-piperazine therapeutic agents useful for treating pain

摘要

A compound of formula: (wherein X is O or S and R¹, R³, R⁴, and R⁵ are disclosed herein) or a pharmaceutically acceptable salt thereof (a “Thiadiazolylpiperazine Compound”), pharmaceutical compositions comprising a Thiadiazolylpiperazine Compound, and methods for treating or preventing pain in a patient comprising administering to a patient in need thereof an effective amount of a Thiadiazolylpiperazine Compound are disclosed.