Clinical trials of Korean natural medicine approved by U.S. FDA

Yungjin Pharmaceutical said Monday it has received approval from the U.S. Food and Drug Administration on Apr. 5 to conduct advance clinical studies of a natural medicine for the treatment of chronic obstructive pulmonary disease (COPD), an under-diagnosed, progressive, irreversible lung disease.

The company said the approval comes after successful completion of pre-clinical tests on YPL-001...