Sex Differences in Perceived Risks, Distrust, and Willingness to Participate in Clinical Trials

Abstract
Although cardiovascular disease (CVD) is a major health care burden and the leading cause of mortality in the United States among both men and women,1 sex differences in disease cause, progression, clinical treatment, efficacy of interventions, and cardiovascular outcomes have been recognized.2-8 In 1993, the National Institutes of Health established requirements for equal inclusion of women in clinical studies.9 Subsequently, considerable attention and controversy has surrounded the issue of balanced sex representation in large clinical trials,10-16 particularly for CVD prevention. However, previous assessments have been retrospective and have not fully evaluated the inherent difficulty of enrolling both women and men in trials for CVD prevention.