Skip to main content
. 2022 Feb 11;14(4):889. doi: 10.3390/cancers14040889

Table 3.

Features of clinical trials leading to oncologic drug approvals.

Characteristic Item Number Percentage (%)
Phase I 3 2
I–II 9 7
II 21 16
II–III 2 2
III 97 73
Hypothesis Superiority 100 76
Non-inferiority 6 5
Superiority and non-inferiority 2 1
Exploratory/descriptive/NA 24 18
Mean sample size (range) - 603.5 (12–4805) -
Randomization Yes 109 82
No 23 18
Control arm Active treatment with PL 24 18
Active treatment without PL 62 47
PL/BSC 23 17.5
No control arm 23 17.5
Experimental arm Monotherapy 77 58
Combo 55 42
Crossover Yes 15 11
No 117 89
Primary Endpoint
Advanced disease OS 51 42
PFS 42 35
ORR 26 22
Other outcomes 1 1
Non advanced OS 1 8
Other survival outcomes 9 75
PK/pCR 2 17
Quality of life
Evaluated by trial Yes 107 81
No 25 19
Reported in EPAR Yes 88 67
No 44 33
Descriptive No difference between EX and CT arm 55 42
In favor of EX arm 21 16
In favor of CT arm 3 2
Not applicable 53 40

PL: placebo; EX: experimental; CT: control.