Clinical trail stages

Question 1

What are the 4-5 stages of Clinical trials?

Answer 1

• Phase 0/Preclincal testing—in animals
• Phase 1—healthy volunteers (is it safe?) Look at pharmacodynamics
• Phase 2—diseased individuals—is it effective? Dose-related side effects?
• Phase 3—is it better than current tx?

Phase 4—postmarketing surveillance