Vaccines and Immunology

Clinical Trials

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Clinical trials are research studies performed by people who are evaluating a medical, surgical, or behavioral intervention. This is a primary way that researchers find out if a new treatment, like a new drug or diet, or medical device (for example, a pacemaker) is safe and effective in people. Clinical development is a three-phase process, in Phase 1, a small group of people receives the vaccine. In phase 2, the clinical study of the vaccine is expanded. In phase-3, thousands of people are given the vaccine. The last phase is where ongoing studies are done on the vaccine after the vaccine is approved and licensed. Often a clinical trial is a trial and error process focused on a new treatment whether it’s more effective and/or has less harmful side effects than the standard treatment.    

Related associations and societies:  National Medical Association (NMA), National Institute of Allergy and Infectious Diseases (NIAID), Immune Deficiency Foundation (IDF), Federation of Clinical Immunology Societies (FOCIS), Asia Pacific Association of Allergy, National Institutes of Health (NIH), Asthma and Clinical Immunology (APAAACI), Clinical Immunology Society, Hepatitis B Foundation (HBF), Pediatric Infectious Diseases Society(PIDS), Indian Vaccine Manufacturers Association (IVMA),