COVID Trial Diversity: What Participants In The Vaccine Phase III Studies Look Like

Although differences in how sponsors have publicly disclosed demographic data for their enrolled trials make cross-study comparisons difficult, in general trial enrollment of Black and Hispanic participants has ranged from 10%-19% and 11%-45%, respectively, with one-quarter to one-third of study subjects falling into older age groups.

Diverse population
Vaccine sponsors have adopted different approaches to disclosing diversity data for their Phase III trials. • Source: Shutterstock

There is large demographic variation, particularly with regard to race/ethnicity and individuals with comorbid conditions, across the four fully enrolled Phase III studies designed to support emergency authorization or licensure of COVID-19 vaccines in the US.

In general, trial enrollment of Black and Hispanic participants has ranged from 10%-19% and 11%-45%, respectively. Approximately one-quarter to more...

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