Allogene Therapeutics is halting the clinical trial for the company’s AlloCAR T cancer therapy after finding some chromosomal abnormality in a patient.

Shares of Mesoblast Limited were down more than 30% in trading following the company’s disappointing announcement regarding a stem-cell therapy trial in ventilator-dependent patients with Covid-19 patients who have moderate-to-severe acute respiratory distress syndrome.

The CEO of Platelet BioGenesis sees a future in the development of an on-demand platelet product made from stem cells.