Trends in diversity of participants in dermatology clinical trials over time: A systematic review

Racial and ethnic disparities in clinical research and the dermatology workforce: Part 2

Although racial and ethnic demographics are shifting in this country, it is not reflected in the diversity of clinical trial research participants; science, technology, engineering, and mathematics pipeline programs; or the workforce in the field of dermatology. Barriers to recruitment of minority patients for research studies also exist for numerous reasons including lack of education of prospective subjects, lack of awareness of ongoing trials, and mistrust within the health care system. Gaps in the science, technology, engineering, and mathematics pipeline for racial and ethnic minorities, particularly Black, Hispanic/Latinx, and American Indian or Alaska Native, are due in large part to structural racism. Lack of exposure as well as lack of educational, mentorship, and research opportunities contribute to gaps in the dermatology workforce. Having a representative population in the dermatology workforce and in clinical research trial patients is essential for optimum patient care, excellence in the specialty, and knowledge of appropriate treatments for minority populations. This article will discuss knowledge gaps for increasing minority subjects who participate in clinical research trials and discuss mechanisms to engage this community in trial recruitment. Additionally, this article addresses lack of racial and ethnic diversity of the dermatology workforce and performance gaps in the recruitment of racial/ethnic minorities into dermatology.

Racial and Ethnic Diversity of US Participants in Clinical Trials for Acne, Atopic Dermatitis, and Psoriasis: A Comprehensive Review

An increasing body of literature describes underreporting of race and ethnicity, and overrepresentation of White individuals in clinical trials. We aimed to evaluate the racial and ethnic diversity of US participants in clinical trials for acne, atopic dermatitis (AD), and psoriasis. We performed a comprehensive review of clinical trials for these common dermatologic diseases that were published between January 2014 and July 2019. Race and ethnicity reporting among all trials, and the racial and ethnic distribution of US participants were compared by skin disease, intervention type, and trial phase. In total, 103 articles representing 119 unique trials were evaluated. Race and ethnicity were reported in only 22.7% of trials. The proportion of White participants (77.5%) was higher than that of the US population (72.5%, p < 0.01); a finding largely driven by psoriasis trials (84.7% White). The proportions of non-White and Hispanic individuals in non-topical (21.0% and 16.3%, respectively) and phase III (20.5% and 18.7%, respectively) trials were lower than those in topical (23.5% and 23.3%, respectively; p < 0.01) and phase I/II trials (25.6% and 22.3%, respectively; p < 0.01). Race and ethnicity remain underreported in dermatologic clinical trials, and US trial participant diversity differs by skin disease, intervention type, and trial phase.