Clinical trials are research studies where researchers test for new treatment options, preventive methods or interventions to diagnose, treat and manage various medical conditions. These are medical, surgical, and behavioral research investigations executed on human volunteers which are designed to provide favorable outcomes. There are 2 major types of clinical trials namely interventional and observational. Appropriate regulatory authorities closely supervise studies involving medical or therapeutic interventions on people. Clinical trials for various chronic diseases are administered for assessing more than one medication. There are 4 phases of clinical trials.
- Track 1-1 Pilot and feasibility studies
- Track 2-2 Screening trials
- Track 3-3 Prevention trials
- Track 4-4 Treatment trials
- Track 5-5 Cross sectional studies