Overview To Evaluate Long-Term Safety and Efficacy of Pregabalin in Patients With Postherpetic Neuralgia. Status: Completed Trial end date: 2005-07-01 Target enrollment: Participant gender: Summary To evaluate long-term safety and efficacy of pregabalin in patients with postherpetic neuralgia. Phase: Phase 3 Details Lead Sponsor: PfizerTreatments: Pregabalin