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. 2022 Aug 12;57(1):49–56. doi: 10.1007/s43441-022-00438-5

Table 6.

Select protocol performance outcomes by phase

Mean Duration Days and Mean Percents Phase I Phase II Phase III
Total Clinical Trial Duration (Final Protocol to DBL) 640.9 1027.9 1,327.7
Study Initiation Duration (Final Protocol to FPFV) 124.8 130.0 165.6
Enrollment Duration (FPFV-LPFV) 308.8 438.5 507.6
Study Conduct Duration (LPFV-LPLV) 172.0 315.8 462.0
Treatment Duration (FPFV-LPLV) 475.7 807.0 1,063.5
Study Close-Out Duration (LPLV-DBL) 57.6 65.2 57.2
Time to Clinical Report (DBL-CSR) 170.3 169.3 148.4
Randomization Rate (Enrolled/Screened) 67.7% 69.4% 70.7%
Completion Rate (Completed/Enrolled) 77.8% 70.5% 67.6%