Research Article

Number of Patients per Cohort and Sample Size Considerations Using Dose Escalation with Overdose Control

Table 2

Estimated proportions of patients given doses in an -neighborhood of the true MTD under designs 1 and 3 and differences between these proportions for high values of and selected values of .

Sample size
12
18
24
30
1 3 Diff. 1 3 Diff. 1 3 Diff. 1 3 Diff.

=
0.41400.25520.15880.49400.40120.09280.55030.48250.06790.61030.54180.0685
0.27900.22240.05660.35420.31370.04060.40920.38140.02780.46920.43390.0353
0.17020.04550.12470.22730.15440.07290.26960.21530.05430.31720.26200.0552
0.07460.04480.02980.10900.08300.02600.13210.11320.01890.15670.13900.0177
=
0.31040.17020.14020.37440.27550.09890.41400.35000.06410.43150.37680.0547
0.19880.14630.05250.25900.20080.05830.29650.25530.04120.31010.27700.0331
0.11730.02670.09060.15880.09200.06680.18970.13620.05350.20050.15480.0457
0.04990.02630.02360.07280.04740.02540.09090.06820.02260.09760.07700.0206
=
0.24280.10950.13330.28830.19830.09000.30790.24440.06350.33310.26940.0636
0.15000.09240.05760.19320.14160.05160.21460.17160.04300.23360.18950.0441
0.08640.01570.07070.11710.06260.05460.13500.08810.04690.14840.10160.0468
0.03560.01530.02030.05310.03210.02090.06460.04520.01940.07210.04890.0231
=
0.05820.00520.05300.12700.07360.05340.18860.13420.05440.23540.18520.0502
0.02200.00000.02200.06190.04310.01880.10390.08030.02350.14140.11450.0269
0.00170.00000.00170.02350.00920.01430.04780.03100.01680.07240.05290.0195
0.00000.00000.00000.00550.00140.00400.01650.00940.00720.02750.01800.0095
=
0.03440.00340.03100.07290.03490.03800.10410.06300.04110.12880.08590.0429
0.01260.00000.01260.03360.01790.01580.05540.03600.01940.07180.04600.0258
0.00080.00000.00080.01200.00350.00850.02360.01310.01050.03360.01890.0147
0.00000.00000.00000.00270.00050.00220.00750.00370.00380.01190.00620.0057
=
0.02190.00140.02050.04100.01660.02440.05590.03230.02360.07520.04740.0278
0.00790.00000.00790.01870.00950.00910.02720.01660.01060.04040.02620.0142
0.00050.00000.00050.00670.00200.00470.01120.00560.00560.01960.01110.0085
0.00000.00000.00000.00170.00030.00140.00370.00190.00180.00760.00370.0038