B.C. man believed to be first Canadian to get intravenous gene therapy

CALGARY -- A big sushi meal would have once made Josh McQuillin gravely ill, but the British Columbia man can now gorge on one of his favourite foods worry-free thanks to a breakthrough clinical trial for his rare genetic disorder. McQuillin was 12 when he was diagnosed with urea cycle disorder, a life-threatening condition that causes ammonia to build up in the body and can put a person in a coma. He had to strictly limit how much protein he ate and took expensive medication several times a day