Overview GRASSP: GraliseĀ® for Spine Surgery Pain Status: Completed Trial end date: 2016-04-01 Target enrollment: Participant gender: Summary Evaluate the analgesic benefit of GraliseĀ® for post-laminectomy pain syndrome (PLPS) Phase: Phase 4 Details Lead Sponsor: University of RochesterTreatments: Gabapentingamma-Aminobutyric Acid