Pregabalin was carried to market by Pfizer.
 In any case, pregabalin is 2 to 4 times more potent than gabapentin as an analgesic and, in animals, appears to be 3 to 10 times more potent than gabapentin as an anticonvulsant
 Pregabalin also closely resembles the -amino acids L-leucine and L-isoleucine, and this may be of greater relevance in relation to its pharmacodynamics than its structural similarity to GABA

