Overview Pilot Study Of Pregabalin And Prediction Of Treatment Response In Patients With Postherpetic Neuralgia Status: Terminated Trial end date: 2013-06-01 Target enrollment: Participant gender: Summary The primary objective is to explore whether sensory symptom cluster analysis is useful for predicting treatment response in Postherpetic Neuralgia. Phase: Phase 4 Details Lead Sponsor: PfizerTreatments: Pregabalin