CF020 is recombinant human EG-VEGF expressed in E. coli, filtered through 0.22μ membrane filter and lyophilized without any additives. EG-VEGF is a tissue-specific angiogenic mitogen growth factor that induces proliferation, migration, and fenestration in endocrine gland-derived capillary endothelial cells. It also has the ability to induce angiogenesis and ovarian cyst formation.