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. 2022 Dec 9;22:920. doi: 10.1186/s12879-022-07846-w

Table 2.

Simulation conditions, assumptions, and trial design parameter space

MAMS BAR
Parameters Phase IIc Seamless II/III Phase IIc Seamless II/III
Maximum patients 100 per arm 400 per arm 100 per arm 400 per arm
Recruitment rate 10 patients/week 10 patients/week
Culture and data lag time 6 weeks 6 weeks
Proportion of easy/moderate/hard to treat sub-populations 0.33 | 0.33 | 0.33 0.33 | 0.33 | 0.33
Intermediate and surrogate endpoints evaluated TCC HR

TCC HR

TS-52

TS-8

TS-24

TS-8

TS-24

TS-52

Number of interim analyses 1–2* 2–3*
Timing of interim analysis 10–100 patients* 100–400 patients*
Interim criteria

TCC HR threshold: 1.1–2.3*

Relapse % threshold: 4–20%*

Equal recruitment period (before adaptive algorithm is initiated) 10 patients per arm 10–50 patients per arm*
Bayesian adaptive randomization tuning parameters

Nonaggressive–Aggressive

ɣ = 1–25*

η = 0.1–2.0*

Trial stopping rules 4 Arms reach max N 3 Arms reach max N
Priors

Optimistic*

Skeptical*

*Indicates trial design parameters that were explored, and optimized