UPDATE 1-Health Canada, FDA halt Stem Cell's stroke trial -
BRIEF:Stem Cell Therapeutics gets letter from Health Canada, request frm FDA -
STEM CELL THERAPEUTICS CORP. RECEIVES LETTER FROM HEALTH CANADA AND VERBAL REQUE -
Stem Cell obtains Health Canada's no objection letter for brain injury trial -
Stem Cell granted new Prolactin patents -
Stem Cell Therapeutics initiates enrollment in Phase IIb stroke trial -
Stem Cell Therapeutics to start Phase IIb stroke trial -
Stem Cell Therapeutics reports positive results of stroke trial -