Immune cell therapy shows promise for kids with stubborn cancers

This early-phase study tested whether immune cells called natural killer (NK) cells, taken from the patient's own blood and boosted in a lab, could be safely given back to children and young adults with solid tumors that didn't respond to standard treatments. Sixteen participants received chemotherapy followed by NK cell infusions, with some also getting a protein (rhIL15) to help the cells work better. The main goals were to see if the cells could be made in large enough numbers and if the treatment was safe.