Voluntariness of consent to research has not been sufficiently explored through empirical research. The aims of this study were to develop a more comprehensive approach to assessing voluntariness and to generate preliminary data on the extent and correlates of limitations on voluntariness. We developed a questionnaire to evaluate subjects’ reported motivations and constraints on voluntariness. 88 subjects in five different areas of clinical research—substance abuse, cancer, HIV, interventional cardiology, and depression—were assessed. Subjects reported a variety of motivations for participation. Offers (...) of financial incentives were common but not influential, pressures from others were rare, and no threats were reported. However, certain financial incentives and—paradoxically—altruistic motivations led some subjects to feel more constrained. Consistent with previous studies, no one pattern of motivation was common to all research subjects. There was little evidence of constrained voluntariness, but some suggestion of areas of concern. Voluntariness appears to be susceptible to systematic empirical investigation. (shrink)

Most recent thinking about thevulnerability of research subjects uses a``subpopulation'' focus. So conceived, theproblem is to work out special standards forprisoners, pregnant women, the mentally ill,children, and similar groups. In contrast, an``analytical'' approach would identifycharacteristics that are criteria forvulnerability. Using these criteria, one couldsupport a judgment that certain individuals arevulnerable and identify needed accommodationsif they are to serve as research subjects.Seven such characteristics can be evident inchildren: they commonly lack the capacity tomake mature decisions; they are subject to theauthority of (...) others; they (and their parents)may be deferential in ways that can maskunderlying dissent; their rights and interestsmay be socially undervalued; they may haveacute medical conditions requiring immediatedecisions not consistent with informed consent;they may have serious medical conditions thatcannot be effectively treated; and they (andtheir parents) may lack important sociallydistributed goods. Each of thesevulnerabilities can call for special care inthe design and implementation of researchprotocols. (shrink)

Given the lack of knowledge about safety and efficacy of many treatments for children, pediatric clinical trials are important, but recruitment for pediatric research is difficult. Little is known about children's perspective on participating in trials. The purpose of this study was to understand the experiences and motivations of young people who took part in clinical trials. This is a qualitative interview study of 25 young people aged 10–23 who were invited to take part in clinical trials. Interviews were audio (...) or video recorded and analyzed using framework analysis. Young peoples' motivations were both personal benefit and helping others. Both incentives appeared to be more complex than expected. We introduce the terms “network of exchange” and “intergenerational solidarity” to describe these motivations. To improve recruitment, professionals should be more open about research opportunities, provide better information, and give young people feedback after the trial has ended. (shrink)

Voluntariness of consent to research has not been sufficiently explored through empirical research. The aims of this study were to develop a more comprehensive approach to assessing voluntariness and to generate preliminary data on the extent and correlates of limitations on voluntariness. We developed a questionnaire to evaluate subjects’ reported motivations and constraints on voluntariness. 88 subjects in five different areas of clinical research—substance abuse, cancer, HIV, interventional cardiology, and depression—were assessed. Subjects reported a variety of motivations for participation. Offers (...) of financial incentives were common but not influential, pressures from others were rare, and no threats were reported. However, certain financial incentives and—paradoxically—altruistic motivations led some subjects to feel more constrained. Consistent with previous studies, no one pattern of motivation was common to all research subjects. There was little evidence of constrained voluntariness, but some suggestion of areas of concern. Voluntariness appears to be susceptible to systematic empirical investigation. (shrink)