Healthy human volunteers are the Unit of study in ___ Phase of Clinical trial:-: (A) Phase I, (B) Phase II, (C) Phase III, (D) Phase IV
Answer is A. Phase Unit of study Purpose Phase 0 Healthy human volunteers Micro-dosing Phase 1 Healthy human volunteers Safety and non-toxicity profile Phase II Patients Effectiveness Phase III Patients Comparison with existing drugs Phase IV Patients Long term side effects / post marketing