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Table 1 Number of observed treatment failures that would stop the study

From: Novel monitoring technique to minimise the risk for patients participating in pilot studies of investigational compounds

Number of patients observed

4

10

16

20

26

30

70% failure stopping threshold

3

7

12

14

19

21

LR stopping threshold

4 (100%)

5 (50%)

7 (44%)

8 (40%)

9 (35%)

10 (33%)