Pregabalin(CI-1008; PD-144723) is a GABA analogue and binds with high affinity and selectivity to the α2δ subunit of voltage-sensitive Ca2+ channels. Pregabalin(CI-1008; PD-144723) is a GABA analogue and binds with high affinity and selectivity to the α2δ subunit of voltage-sensitive Ca2+ channels and modulates their activity. IC50 value: Target: Ca2+ channel Pregabalin is an anticonvulsant, anxiolytic analgesic used to treat peripheral neuropathic pain and fibromyalgia.