What are the different types of clinical trials?
Treatment Trials: These trials test experimental treatment, new combinations of drugs, or new approaches to surgery or radiation therapy. Prevention Trials: These trials look for better ways to prevent disease in people who have never had the disease or to prevent a disease from returning. These approaches may include medicine, vaccines, minerals, or lifestyle changes. Diagnostic Trials: These trials are conducted to find better tests or procedures for diagnosing a particular disease or condition. Screening Trials: These trials test the best way to detect certain diseases or health conditions. Quality of Life Trials (or Supportive Care Trials): These trials explore ways to improve comfort and the quality of life for individuals with chronic illness. Top of Page 4. Who conducts clinical trials? Clinical trials are conducted by various institutions and groups. Each clinical trial follows a treatment plan or “protocol.” These protocols are defined by the researchers initiating the clinica
