No phaseStatus unknown

Efficacy and safety of medical thoracoscopic bullous reduction surgery for chronic obstructive pulmonary disease with giant bullae: a prospective, randomized, controlled, multicenter, open-label study.

Sponsor: West China Hospital of Sichuan University
Enrolment: 35 planned
Conditions: Chronic obstructive pulmonary disease with giant bullae
Interventions: Standard treatment for chronic obstructive pulmonary disease (based on GOLD guidelines); Medical thoracoscopic reduction of volume in giant pulmonary bullae combined with standard treatment
Ages: adults, older adults
Registry: ChiCTR2600131301

Primary outcomes

The change in forced expiratory volume in one second (FEV1) from baseline at 6 months after randomization.;