Rituxan without mouse protein/antibody? | Arthritis Information

I've read something recently that talked about a drug like Rituxan but without the mouse protein or antibody in it and therefore less reaction from the patient.  However, the article stated that it was new and not available everywhere.  Did anyone read what I'm talking about?  I live in Canada so I don't know if it will take longer to come here but if anyone knows the name of what I'm talking about please let me know. 

Thanks, Caroline