Health & biology · 1990
Gene therapy
Four-year-old Ashanti DeSilva received her own cells carrying a working ADA gene.
The 1990 NIH trial for ADA immune deficiency was the first approved human gene therapy. After a 1999 death and leukaemia cases, safer vectors emerged and the field reached approvals in the 2010s.
What it built on 1
What it led to 2
Related measurements
The dashed line marks when it first worked.
Cost to sequence a human genome Latest: 525 $ (2022) Source: Our World in Data