Esketamine Combined With Pregabalin on CPSP in Spinal Patients.

Conditions: Esketamine; Pregabaline; Chronic Post Operative Pain Interventions: Drug: S-ketamine and pregabalin; Drug: Normal saline and placebo capsule Sponsors: Beijing Tiantan Hospital Not yet recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials