Yet, within the class, imports of gabapentin (generic Neurontin) dropped 18%. This may be linked to new reporting requirements relating to misuse of the drug as a painkiller. That change may have driven a switch to generic versions of GSK’s Lamotrigine and UCB’s Keppra which both reached record high levels. The supply side remains highly fragmented and dominated by Indian manufacturers led by Cipla and Aurobindo. Chinese manufacturer Huahai Pharma jumped to number three from only making minimal supplies a year earlier.