
Number of FDA approved orphan designations in the U.S. 2000-2014
This statistic displays the number of FDA approved orphan designations per year in the United States from 2000 to 2014. In 2000, there were 13 FDA approved orphan designations in the country. Orphan drugs are used to target rare diseases or disorders, which in the United States is defined as less than 200,000 patients. The development of orphan drugs are currently incentivized in the United States through the Orphan Drug Act of 1983.