1 doctor weighed in:

Which company offers the best quality of herceptin (trastuzumab)?

1 doctor weighed in
Dr. James Blachly
Internal Medicine - Hematology & Oncology

In brief: Genentech

The US patent on trastuzumab ("Herceptin") expires in June of 2019, so only Genentech is allowed to produce it.
In Europe, the patent expired in June of 2014, but I don't know if the European Medicines Agency has yet approved any biosimilars ("generics").

In brief: Genentech

The US patent on trastuzumab ("Herceptin") expires in June of 2019, so only Genentech is allowed to produce it.
In Europe, the patent expired in June of 2014, but I don't know if the European Medicines Agency has yet approved any biosimilars ("generics").
Dr. James Blachly
Dr. James Blachly
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