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	Sperimentazione clinica di Fase III con aggiustamento del rischio	Sperimentazione Clinica di Fase III
Campo	Epidemiologia	Epidemiologia
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	1980s–present	1962 (Kefauver-Harris Amendment formalised phased drug development)
Ideatore	Evolving practice; foundational risk-adjustment principles established by Pocock (1983) and extended by numerous trialists	FDA regulatory framework / ICH guidelines
Tipo	Confirmatory randomized trial with baseline risk stratification and covariate adjustment	Confirmatory randomised controlled trial
Fonte seminale	Pocock, S. J. (1983). Clinical Trials: A Practical Approach. Wiley. ISBN: 978-0471901556	Friedman, L. M., Furberg, C. D., DeMets, D. L., Reboussin, D. M., & Granger, C. B. (2015). Fundamentals of Clinical Trials (5th ed.). Springer. ISBN: 978-3319185385
Alias	risk-stratified Phase III trial, covariate-adjusted Phase III RCT, risk-adjusted confirmatory trial, RA-Phase III	Phase 3 trial, confirmatory trial, pivotal trial, Phase III RCT
Correlati	6	6
Sintesi	A risk-adjusted Phase III clinical trial is a large-scale confirmatory randomized experiment that explicitly incorporates participants' baseline prognostic risk profile into both the randomization process and the primary statistical analysis. By stratifying patients on known risk factors before allocation and adjusting for those factors in the outcome model, the design achieves greater statistical precision, reduces confounding, and produces treatment effect estimates that are more clinically meaningful across patient subgroups.	A Phase III clinical trial is a large-scale, confirmatory randomised controlled trial designed to establish the efficacy and safety of an intervention in the target patient population before regulatory submission. It builds on the signal identified in Phase II, tests the intervention at its proposed dose under controlled conditions, and provides the primary evidence base for marketing authorisation or guideline adoption.