Aflibercept is a fusion protein approved in the United States for the treatment of wet macular degeneration and metastatic colorectal cancer.
It is an inhibitor of vascular endothelial growth factor. It is designed to bind to VEGF-A, VEGF-B, and placental growth factor (a.k.a PIGF, gene symbol PGF).
Aflibercept is being co-developed by Sanofi-Aventis and Regeneron Pharmaceuticals.
Approvals and indications 
In November 2011 the United States Food and Drug Administration approved aflibercept for the treatment of wet macular degeneration.
On August 3, 2012 the United States Food and Drug Administration approved Zaltrap (ziv-aflibercept) for use in combination with 5-fluorouracil, leucovorin and irinotecan to treat adults with metastatic colorectal cancer that is resistant to or has progressed following an oxaliplatin‑containing regimen.
In November 2012 the European Medicines Agency (EMA) approved aflibercept for the treatment of wet macular degeneration.
Clinical trials 
In March 2011 Regeneron reported that aflibercept failed its primary endpoint of overall survival in the Vital phase III trial for second-line treatment of locally advanced or metastatic non-small cell lung cancer (NSCLC), although it improved the secondary endpoint of progression-free survival.
In April 2011 Regeneron reported that aflibercept improved its primary endpoint of overall survival in the Velour phase III clinical trial for second-line treatment for metastatic colorectal cancer (mCRC).
Aflibercept is also in a phase III trial for hormone-refractory metastatic prostate cancer.