Clinical Trials and Clinical Research

Trials to evaluate the effectiveness and safety of medications or medical devices by monitoring their effects on large groups of people. Clinical research trials may be conducted by government health agencies such as NIH, researchers affiliated with a hospital or university medical program, independent researchers, or private industry. Usually volunteers are recruited, although in some cases research subjects may be paid. Subjects are generally divided into two or more groups, including a control group that does not receive the experimental treatment, receives a placebo (inactive substance) instead, or receives a tried-and-true therapy for comparison purposes.

Clinical research is a branch of healthcare science that determines the safety and effectiveness (efficacy) of medications, devices, diagnostic products and treatment regimens intended for human use. These may be used for prevention, treatment, diagnosis or for relieving symptoms of a disease. Clinical research is different from clinical practice. In clinical practice established treatments are used, while in clinical research evidence is collected to establish a treatment.


  • Track 1-1 Interventional clinical trials
  • Track 2-2 Observational clinical trials
  • Track 3-3 Phases of Trial
  • Track 4-4 Treatment trials
  • Track 5-5 Genetics trials
  • Track 6-6 Quality of Life trials
  • Track 7-7 Screening trials

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