From: Multilayer network analysis of the drugs development cycle in the global pharmaceutical industry
p: pipeline status | \(M_1 ^p\): # of edges | \(L_1 ^p\): # of self-loops | Total |
---|---|---|---|
Discovery | 4488 | 13,668 | 18,156 |
Phase I clinical | 818 | 1716 | 2534 |
Phase II clinical | 1255 | 1941 | 3196 |
Phase III clinical | 538 | 630 | 1168 |
Pre-registration | 165 | 189 | 354 |
Registered | 120 | 155 | 275 |
Launched | 4065 | 2527 | 6592 |