MEANS FOR PROMOTING AND REINFORCING NEOVASCULARIZATION

摘要

An angiogenesis promoter and angiogenesis potentiator containing a pyridazinone compound of the formula (I) CHEM wherein each symbol is as defined in the specification, or a pharmacologically acceptable salt thereof, as an active ingredient. The pyridazinone compound (I) and a pharmacologically acceptable salt thereof in the present invention promote angiogenesis and potentiate the angiogenic effect of a drug having such effect, and are useful as an angiogenesis promoter and angiogenesis potentiator.