International Clinical Trial: A randomized, single-blind, placebo-controlled, phase I clinical study of the safety and efficacy of nebulized extracellular vesicles of human umbilical mesenchymal stem cells in the treatment of pulmonary fibrosis

Geneva, April 28 -- International Clinical Trials Registry received information related to the study (ChiCTR2600122581) titled 'A randomized, single-blind, placebo-controlled, phase I clinical study of the safety and efficacy of nebulized extracellular vesicles of human umbilical mesenchymal stem cells in the treatment of pulmonary fibrosis' on April 15.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Linyi People's Hospital

Condition: HRCT pulmonary fibrotic lesions

Intervention: Experimental Group:Test preparation (human umbilical cord mesenchymal stem cell extracellular vesicles aerosol)

Recruitment Status: Not Recruiting

Phase: 1

Date of First Enrollment: 2026-04-25

Target Sample Size: Experimen...