Overview Ipratropium Bromide in Peri-Operative COPD Status: Completed Trial end date: 2015-08-01 Target enrollment: Participant gender: Summary This is a randomized, double-blind, placebo-controlled, parallel-group, multi-centre trial.The trial aims to evaluate efficacy of nebulized ipratropium bromide in Chinese peri-operative patients with COPD under general anaesthesia. Phase: Phase 4 Details Lead Sponsor: Boehringer IngelheimTreatments: BromidesIpratropium