Phases Of Clinical Trial

Question 1

Phases

Answer 1

Phase 0 :few objects and few doses (sometimes unethical)
Phase 1: healthy people 20-30+ drug+ check the working and side effects
phase 2: 100-300, work on the effectiveness of the drug
Phase 3: 1000-3000, the safety and effectiveness of the drug, with different populations, if approved by FDA, proceeds to final stage
Phase 4: checked on diverse population for safety and effectiveness

Question 2

The aim is to obtain data on whether the drug is effective in diagnosis certain conditions in people or not.

Answer 2

Phase 2

Question 3

Most people take part in a clinical trial analysis, because

Answer 3

• Because previous medications or treatments haven’t worked
• if there no cure treatment for their condition
• may find new treatment even if they are not available in the market
• others join in to help researcher in their studies

Question 4

Phases of clinical trial (briefly)

Answer 4

Not this time 🥲
Phase 1:
• Evaluate safety
• Determine safe dosage
• identify side effects
Phase 2: • Test effectiveness
• further evaluate safety
Phase 3: • confirm effectiveness
• Monitor side effects
• compare to other treatments
• collect information
Phase 4: provide additional information after approval including: risk, benefits and use