Good news, Doctors: Cancer patients cured a decade after gene therapy

by Joseph Saraceno
This 2021 photo provided by the family shows Doug Olson of Pleasanton, Calif., in Bend, Ore. In 2010, doctors treated Olson’s leukemia with an experimental gene therapy that transformed his own blood cells into cancer killers. More than a decade late

In 2010, doctors treated Doug Olson’s leukemia with an experimental gene therapy that transformed some of his blood cells into cancer killers. More than a decade later, there’s no sign of cancer in his body. MORE