Pharma. R&D
Target ID
Synthesis/ Screening
Target Validation
Lead Optimization
Preclinical
Filed
Ph1
Lead Discovery Research
Drug Development
6 Years
8.9 Years
Ph2
Ph3
$608m*
$230m
+56m
+$71m
+169m
+44m
+169m
*Lehman Brothers, 1997; ** Tufts CSDD
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