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Table 2 Minimum recommended detail to be included in grant applications. X shows the application stage where the information is required

From: Practicalities in running early-phase trials using the time-to-event continual reassessment method (TiTE-CRM) for interventions with long toxicity periods using two radiotherapy oncology trials as examples

Information to be included Outline (for two-stage applications) or full (where the grant application requests funding and time to design and set-up the model) Full (where the grant application does not include time to design and set-up the model)
Reference to key TiTE-CRM literature and a brief explanation of why this design is being used, as reviewers may not have encountered it before. X X
Sample size. If this is not fixed, provide an upper and lower bound. X X
If not confirmed, add a note to say it will be confirmed after further simulations have been undertaken.
Dose-limiting toxicities X X
Target toxicity level X X
Include justification and how this was determined.
Dose-toxicity curve   X
Number of dose levels X X
Include an estimate if this is not yet known.
Starting dose level   X
Stopping rules   X
Any restrictions on recruitment or dose escalation   X
Software or packages used to set up the model and perform simulations   X
Information on simulations to be performed X  
Include details of toxicity timing and recruitment rates
Simulation results   X
Include details of toxicity timing and recruitment rates
How the data will be used throughout the trial to determine dose decisions   X
Discuss the role of the safety review committee and how late toxicities will be incorporated in the trial. Explain that dose decisions are not made solely by the TiTE-CRM model.