Video Link: https://www.youtube.com/watch?v=FNFzrqaYnlQ

FDA recently approved the first biological product made from genetically engineered animals. The product, called ATryn, is an anticoagulant used to prevent blood clots in patients with a rare disease known as hereditary antithrombin deficiency.

See the article here:
First Human Drug from Genetically Engineered Animals Approved - Video