Phase IV of Clinical trial is done:
Correct Answer: Post marketing surveillance
Description: Ans. (d) Post marketing surveillanceRef.: K. Park 23rd ed. / 84-85Clinical TrialsPhaseSubjectsPurpose* Phase 1Healthy human volunteerSafety and non-toxicity* Phase 2Patients (20-200)Effectiveness* Phase 3PatientsComparison with existing drug* Phase 4PatientLong term side effects Post marketing surveillance* Most important phase of clinical trial: Phase 3* A new drug is launched in market after phase 3PHASE 4* Post marketing surveillance* Longest phase: 10-25 years* To study the long term side effects of a drug* Doesn't require ethical clearance.
Category:
Social & Preventive Medicine
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now