Geneva, Jan. 12 -- International Clinical Trials Registry received information related to the study (ChiCTR2500115021) titled 'Clinical Study on the Effect of Chloroprocaine Topical Anesthesia in Reducing Cough Reflex During Pain-free Flexible Bronchoscopy' on Dec. 21, 2025.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Chengdu University Affiliated Hospital

Condition: None

Intervention: Test group:Patients who received surface anesthesia using Procaine Hydrochloride Injection were administered as follows: 5 ml was given via nebulization before the procedure, and 8 ml was sprayed into the airway during the procedure.

Recruitment Status: Recruiting

Phase: N/A

Date of First Enrollment: 2025-03-01

Ta...