Pregabalin er undersøgt i 6 kontrollerede studier af 4- 6 ugers varighed, et studie med ældre af 8 ugers varighed og et langtids relaps- forebyggelsesstudie med en dobbelt- blind relaps- forebyggelsesfase af 6 måneders varighed.
Pregabalin has been studied in 6 controlled studies of 4-6 week duration, an elderly study of 8 week duration and a long-term relapse prevention study with a double blind relapse prevention phase of 6 months duration.