The FDA in the U.S. has approved the use of Adderall XR in the treatment of ADHD for use in adolescents.
Read the 22-Jul-2005 press release here
Adderall XR was withdrawn from the market in Canada, following Health Canada's concerns about 20 reported sudden deaths in the U.S.
See 10-Feb-2005 Press Release by Shire Biochem, Here
and the 11-Feb-2005 CTV report Here
It is not clear at this time whether Adderall is being returned to the Canadian market.
If you have more information on Adderall XR in Canada or in the U.S., please let us know.