designation
granted based on prevalence of disease in the population of less than 0.05%.
grant
program for R&D for manufacturers and importers of orphan drugs
guidance and
advice available to industry on both R&D and NDA application procedures
tax
incentives granted to manufacturers doing R&D on orphan drugs
NDA for
orphan drugs are given priority review
if drug is
marketed, a portion of profits in excess of 100 million yen must be paid to the government