Keely, I am in a similar situation in that i have been treated with Herceptin alone for over 5 years. It is still working for me, but I have ben told I won't be able to add Perjeta. However I understand it is the combination of Herceptin and Perjeta that is proving (slightly) better in trials. If herceptin has stopped working, which seems to happen to many eventually, Perjeta alone wouldn't be enough. The next option for Her2 women is Kadcyla, now on the PBS.
That said, good luck with contacting Roche. It might be an idea to search for trial results in regard to adding Perjeta after Herceptin fails.
Best wishes... Pam
