The vast majority of clinical trial volunteers -- 80 to 90 percent, according to some studies -- are white, adult, non-Hispanic males. Not included in that number are trials that recruit only specific groups.
The lack of diversity was frustrating for pharmacologist Kevin Sneed, dean of USF's College of Pharmacy. He knew from years of working with drugs and clinical trials that subtle molecular, cellular and genetic differences between racial and ethnic groups can influence the way each responds to treatment.
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