Geneva, Feb. 13 -- International Clinical Trials Registry received information related to the study (ChiCTR2600118372) titled 'Phase I clinical study on the safety and tolerability of GRA2405 Powder For Inhalation in healthy adults and patients with Chronic Obstructive Pulmonary Disease' on Feb. 4.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: No. 28, Qiaozhong Middle Road, Liwan District, Guangzhou

Condition: chronic obstructive pulmonary disease

Intervention: the experimental group:GRA2405 inhalation powder, specifications:(1) 1.5 mg GRA2405 per capsule (2) 3 mg GRA2405 per capsule SAD-1.5mg : single inhalation administration, 1.5 mg/capsule x 1 capsule SAD-3mg : single inhalation administration, 3 mg/...