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Perjeta, Avastin Breast Cancer Approvals Are A Study In Contrasts

Executive Summary

Pertuzumab’s approval came almost a year after FDA and Genentech battled over the future of bevacizumab’s breast cancer claim at an unprecedented public hearing. While both oncologic agents were approved on the basis of a median progression-free survival benefit exceeding five months, the regulatory similarities end there.

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Genentech’s Perjeta Clears FDA Despite Unresolved Manufacturing Issues

In approving for marketing a finite supply of pertuzumab, FDA determined that the benefit of making a new breast cancer treatment available outweighs the risk that the drug could go into shortage due to production problems. The manufacturing concerns led to a split within the agency on the question of approval, with CDER Director Woodcock making the final call.

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