Two Controversial Stem Cell Trials Could Harm Patients, Critics Say

March 30, 2018

(Science Magazine) – But is the idea underlying Macchiarini’s work—”seeding” a scaffold with a patient’s own stem cells, in hopes of regenerating a healthy, functional organ—still worth testing in patients? That’s the question facing scientists in the United Kingdom, where two trials of stem cell–based larynx (voice box) and trachea transplants are planned but on hold in the wake of the scandal.