What Are The 4 Stages Of Drug Development?

What Are The 4 Stages Of Drug Development? Step 1: Discovery and Development. Step 2: Preclinical Research. Step 3: Clinical Research. Step 4: FDA Drug Review. Step 5: FDA Post-Market Drug Safety Monitoring. What are the 4 stages of drug development PDF? This process involves the identification of candidates, synthesis, characterization, validation, optimization, screening and