Phase II clinical trial 1 article

Phase II clinical trial is a clinical development stage used to estimate therapeutic activity and refine dose or population used in clinical development and regulated biomedical research. At the mechanistic level, proof-of-concept clinical study is linked to preliminary efficacy assessment, with dose-ranging study defining an important part of how the approach is implemented or measured. Phase II focuses on early efficacy signals and regimen refinement at a development stage between initial human safety testing and large confirmatory studies.