Why Participate in Clinical Research?

People may experience the same disease differently. It is important that clinical trials include people with different lived experiences and living environments such as race, ethnicity, age, sex, and sexual orientation. This will ensure that all communities benefit from scientific advances.

Why Should I Join a Clinical Trial?

Dr. Griffin P. Rodgers, director of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), part of the National Institutes of Health, explains the importance of participating in clinical trials and encourages the public to consider joining, especially those who are underrepresented in clinical trials.

Race, Ethnicity, and Ancestry

While there are no universal definitions of race, ethnicity and ancestry and they are sometimes used interchangeably, there are distinctions between each term. It is important to understand what these differences are, what the purpose is for collecting each type of data, and what conclusions you can draw from what type of data.

Participants in clinical trials should represent the people who will most likely use the medical product.
Currently, people of European decent make up 67% of the U.S. population, however, they account for 83% of research participants.

Race and ethnicity are influential and have been shaped by locations, culture, and sociopolitical factors. These forms of identity can influence people’s socioeconomic position and contribute to disproportionately high racial and ethnic health disparities.

Currently, 30% of people in the U.S identify as Black/African American or Latino, but less than 6% of research participants identify as Black or Latino. A lack of representation from racial and ethnic minority groups in clinical trials results in interventions that may not be effective among different populations.

Gender Identity and Sexual Preference

A population whose gender, sexual orientation or sexual characteristics differ from what is typically expected by a culture or society is referred to as sexual and gender minorities (SGM). Gender and sexual minorities are often underrepresented in clinical research, therefore there is not enough data on the unique health issues that impact people who identify as a sexual and gender minority.

On average, LGBT individuals experience greater exposure to violence and homelessness, as well as higher rates of poverty, tobacco and substance use, psychiatric disorders, HIV infection, and cancer.

To understand and address health challenges that most impact the SGM populations, researchers should try to collect sexual orientation, gender identity and intersex status during recruitment and clinical studies. For instance, people who are gender and sexually diverse use tobacco at rates that are 40% higher than in people who identify as straight/heterosexual; tobacco use is a major risk factor for multiple different cancers. It is important to include SGM communities in clinical research to address the health disparities that most impact the community.

For More Information

Theresa Spezzano, PhD
Theresa Spezzano is Health Equity Officer of the California Initiative to Advance Precision Medicine at OPR. She co-leads the Representative Research Collaborative.

Special thanks to Policy Fellow Bridgette Smith for assembling information for the Equitable Consent webpages.