When should a sponsor consider a Type B meeting or other formal regulatory interaction?

A meeting is most useful when the sponsor can clearly define the decision needed, the evidence already available, the remaining uncertainty, and the consequence of proceeding without agency alignment. It should not substitute for completing analysis that the sponsor can reasonably perform internally. Before requesting a meeting, the team should identify the precise questions, evaluate whether the issue affects multiple submission sections, and prepare a defensible position supported by data and regulatory precedent. The objective is to obtain actionable alignment, not simply to present an unresolved problem.