Conditions: Neuralgia, Postherpetic Diabetic Neuropathy Painful Small-Fiber Neuropathy Idiopathic Distal Sensory Polyneuropathy
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 104
Healthy volunteers: no

Brief summary:
The purpose of this study is to determine the best way to conduct clinical trials in patients with neuropathic pain (nerve pain). This study will see if generic pregabalin has any effect on neuropathic pain.

Detailed description:

Arms:
arm 1: Patients in Group A will remain on pregabalin (up to 600 mg/day po) treatment for the entire double-blind period. arm 2: Patients in Group B will be treated with placebo.

Interventions: intervention 1: Comparator: pregabalin intervention 2: Comparator: Placebo (unspecified)
Intervention descriptions: intervention 1: pregabalin (up to 600 mg/day by mouth (po)). Duration of Treatment: 6 Weeks intervention 2: pregabalin Pbo (up to 600 mg/day by mouth (po)). Duration of Treatment: 6 Weeks

Protocol document: