Charts and Statistics: Useful information about clinical research while participating in a trial

The charts and statistics below help you learn more about clinical trials. All of this information is from trusted sources and can help you better understand the experience of study volunteers and clinical research in general.

If you have any questions about these charts and statistics, or would like to suggest useful information to include, please contact us: info@ciscrp.org

proportion-of-total-volunteers-participating-in-clinical-research-by-phase

Clinical trial volunteers play a very important role in the process of developing safe and useful medical treatments. The chart above shows the proportion of study participants taking part in each of the four phases of clinical research. In 2012, the largest number of study volunteers (61%) were in Phase III trials.

proportion-of-study-volunteers-by-gender-inclinical-research-studies

This chart shows the proportion of people participating in different types of clinical trials by gender in the United States. In 2012, females made up 63.1% of the participants in clinical trials funded by the National Institutes of Health (NIH), which is the U.S. government’s medical research center. For industry sponsored trials in 2012, males made up 52.4% of the participants in US trials.

This chart shows the proportion of people participating in different types of clinical trials by ethnicity in the United States. In 2012, 63.9% of the participants in clinical trials funded by the National Institutes of Health (NIH) were White. For industry sponsored trials in 2012, 83.3% of participants in US trials were White.

total-number-of-drugs-in-clinical-trials-for-children

This chart shows the number of drugs in the clinical trial stage of development for children. In 2012 there were 316 drugs in clinical trials for children – compared to 239 in 2006.

top-areas-where-drugs-are-in-clinical-trials-specifically-for-children

The chart above shows the top areas of medical conditions where drugs are in clinical trials specifically for children. Infectious Diseases, Cancer and Genetic Diseases are the top areas where drugs are in the clinical trial stage of development for children.

This chart shows the number of drugs in the clinical trial stage of development for adults age 65 and older. In 2013 there were 467 drugs in clinical trials for this age group – compared to 308 in 2012.

top-areas-where-drugs-are-in-clincal-trials-specifically-for-adults-65-and-older

This charts shows the top areas of medical conditions where drugs are in clinical trials specifically for adults age 65 and older. Diabetes, Rheumatoid Arthritis and Alzheimer’s Disease are the top three areas where drugs are in the clinical trial stage of development for adults age 65 and older.