From: Phase I dose-escalation oncology trials with sequential multiple schedules
Scenario | |||||||
---|---|---|---|---|---|---|---|
7 | 8 | 9 | 10 | 11 | 12 | 13 | |
Probability of selecting MTD in the targeted toxicity interval | |||||||
TITE-PK | 0.90 | 0.70 | 0.94 | 0.84 | 0.62 | n/a | 0.17 |
B-CRM | 0.83 | 0.50 | 0.64 | 0.60 | 0.52 | n/a | 0.77 |
BLRM MAP | 0.95 | 0.56 | 0.77 | 0.68 | 0.46 | n/a | 0.55 |
Probability of selecting MTD in the overdosing interval | |||||||
TITE-PK | n/a | 0.22 | 0.05 | 0.02 | 0.37 | 0.02 | n/a |
B-CRM | n/a | 0.38 | 0.08 | 0.00 | 0.28 | 0.25 | n/a |
BLRM MAP | n/a | 0.40 | 0.21 | 0.10 | 0.41 | 0.03 | n/a |
Probability of selecting no combination as MTD | |||||||
TITE-PK | 0.00 | 0.02 | 0.01 | 0.14 | 0.00 | 0.98 | 0.15 |
B-CRM | 0.00 | 0.02 | 0.02 | 0.28 | 0.20 | 0.75 | 0.00 |
BLRM MAP | 0.00 | 0.02 | 0.02 | 0.22 | 0.12 | 0.97 | 0.01 |
Mean number of patients enrolled | |||||||
TITE-PK | 21.7 | 21.7 | 21.4 | 19.4 | 21.8 | 3.7 | 19.7 |
B-CRM | 21.0 | 21.0 | 21.0 | 18.0 | 19.0 | 9.0 | 21.1 |
BLRM MAP | 21.5 | 23.6 | 21.6 | 20.0 | 22.8 | 4.8 | 23.4 |
Proportion of patients enrolled in the overdosing interval | |||||||
TITE-PK | n/a | 0.39 | 0.17 | 0.12 | 0.61 | 1.00 | n/a |
B-CRM | n/a | 0.46 | 0.15 | 0.06 | 0.72 | 1.00 | n/a |
BLRM MAP | n/a | 0.59 | 0.40 | 0.26 | 0.70 | 1.00 | n/a |
Mean number of DLT observed | |||||||
TITE-PK | 5.3 | 8.2 | 6.2 | 7.5 | 10.2 | 1.8 | 2.4 |
B-CRM | 4.5 | 7.0 | 7.3 | 7.5 | 8.5 | 4.0 | 3.0 |
BLRM MAP | 5.7 | 9.7 | 7.7 | 8.2 | 11.1 | 2.4 | 3.9 |