1.4.5 Toxicology
Toxicology is the study of the adverse effects of chemicals on biological systems and of poison...
PharmacologyPhase 1 — Introduction to Pharmacological Research & Regulatory Framework1.4 Branches of Pharmacology1 min readUpdated 2026-07-13
Toxicology is the study of the adverse effects of chemicals on biological systems and of poison management. Within drug development it determines acute, sub-chronic, chronic, and genetic toxicity, and it is treated in this text as its own phase (Phase 5) given its centrality to regulatory approval.