Read a trial phase without guessing

The phase tells you what uncertainty the trial is trying to reduce. Phase 1: human safety and dose learning Phase 1 is where the team is still close to the unknown. The operational work is not just scheduling visits; it is protecting close observation, clean dosing records, rapid safety escalation, and participant understanding. A missed vital sign or casual dose note can weaken the very question the phase exists to answer. Phase 2: signal and side-effect learning Phase 2 usually asks whether the intervention has enough activity in the target condition to keep going. This is where inclusion criteria, endpoint…

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