====== Phase 1 randomized controlled trial ======

The first of the [[phase]]s of [[clinical research]].

The first studies conducted in humans using an experimental intervention. These trials often have small sample sizes (e.g., <20), may enroll healthy human participants, and are used to investigate pharmacokinetics, pharmacodynamics, and toxicity.

Phase I trials can be further divided:

[[Phase 1 A randomized controlled trial]]

[[Phase 1 B randomized controlled trial]]