What are your finances like? I had to pay for my husband's Avastin in the US. I posted about it on another thread but I can tell you it is very expensive. However, in the US we have infusion pharmacies that can get the Avastin and for self payers will charge a fraction of what cancer centers charge. (not as much markup)
If Avastin is available in Canada for any reason and there are doctors who work off the public health system (I do not know your system well) and you can pay for it then maybe a private cancer center or an infusion pharmacy can help.
Take care,
Peace,
JMB