Phase 3 of clinical trials are large studies which confirm drug safety and efficacy. They contain a greater number of participants than phase 2 trials so that the safety and efficacy can be validated in a larger population. They almost always randomly assign participants to one of two groups, the control group or the treatment group. To learn more about phase 3 of clinical trials and why it is important for drug development, click on the links below.
- International Psoriasis Council: Understanding the Different Phases of Clinical Trials