Clinical Trial for Parkinson's Disease Gets a Green Light in the US.

Summary Cell-based therapy is expected as an alternative treatment for Parkinson’s disease. In this issue of Cell Stem Cell, two accompanying papers ( Kim et al., 2021 ; Piao et al., 2021 ) report the induction of clinically applicable dopaminergic neurons from human embryonic stem cells and the results of pre-clinical study toward a clinical trial.