The need is urgent, especially since many patients from Canada and elsewhere are spending large sums and facing real danger by seeking out dubious stem-cell treatments in places like China, he said.

Health Canada is prevented by privacy rules from commenting on any specific application for approval of a clinical trial, said Sean Upton, a spokesman. He said the regulator does not have a formal policy or rule requiring primate studies, but each application for approval of a clinical trial is judged on its own merits.



Canadian stem cell trials impeded by federal regulations, doctors say