The present invention provides compositions comprising an anti-angiogenic factor, and a polymeric carrier. Representative examples of anti-angiogenic factors include Anti-Invasive Factor, Retinoic acids and derivatives thereof, and paclitaxel. Also provided are methods for embolizing blood vessels, and...http://www.google.de/patents/US20020165265?utm_source=gb-gplus-sharePatent US20020165265 - ANTI-ANGIOGENIC COMPOSITIONS AND METHODS OF USE