| Characteristic | Number of drug approvals |
|---|---|
| - | - |
| - | - |
| - | - |
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Source
Release date
April 2012
Region
United States
Survey time period
1970 to 2010
Supplementary notes
Comprehensive record keeping on drug approvals for rare diseases began in 1983, when the Orphan Drug Act was passed. Data for 1970s is approximate. Data for 2010 is partial, January through June.
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