Not to my knowledge which is why Canada had it's own trial of DCVax-L. Australia has it's own regulatory body Therapeutic Goods Administration. Aside from this I know little of how they work except they are totally independent from the U.K.
Xena, Perhaps you are thinking of the Commonwealth of Nationsaka the British Commonwealth. I believe Australia, Canada and New Zealand are three countries that are commonly associated with the UK because of their membership in the Commonwealth.