What is Which phase of clinical trials is done after the drug enters the market? and explain in detail?
Ans. (D) Phase IV(Ref: KDT 8th/e 91)Clinical TrialOther NamePhase 0Microdosing studiesPhase IHuman pharmacology and safetyPhase IITherapeutic exploratoryPhase IIITherapeutic confirmatoryPhase IVPost marketing surveillance