Compositions and methods for restoring sensitivity to...

Drug – bio-affecting and body treating compositions – Immunoglobulin – antiserum – antibody – or antibody fragment,... – Binds expression product or fragment thereof of...

Reexamination Certificate

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C424S141100, C424S155100

Reexamination Certificate

active

07815906

ABSTRACT:
Methods and compositions for restoring growth inhibition sensitivity to a tumor cell resistant to growth inhibition by HER2 antagonists. The methods involve administering a PCDGF antagonist to the cell in an amount effective to stimulate or restore growth inhibition sensitivity to HER2 antagonists. The invention also provides treatment regimens, and therapeutic compositions comprising an HER2 antagonist and a PCDGF antagonist.

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