George Mason Law Review Vol 24 P 703 2017
J Clin Transl Res. 2018 May 28; iv(ane): 56–69.
Published online 2018 Apr seven.
Inclusion of special populations in clinical enquiry: of import considerations and guidelines
Stuart Due south. Winter
1Children's Minnesota Research Institute, Minneapolis, MN, United States
Janet M. Page-Reeves
twoDepartment of Family and Community Medicine, University of New Mexico, Albuquerque, The states
Kimberly A. Page
threeDepartment of Internal Medicine, Division of Epidemiology, Biostatistics and Preventive Medicine, University of New Mexico, Albuquerque, United States
Emily Haozous
ivUNM College of Nursing, Academy of New Mexico, Albuquerque, United States
Angelica Solares
5University of New Mexico School of Constabulary, University of New United mexican states, Albuquerque, United States
Carla Nicole Cordova
6UNM Clinical and Translational Scientific discipline Center, Academy of New Mexico, Albuquerque, Us
Richard S. Larson
6UNM Clinical and Translational Science Center, University of New United mexican states, Albuquerque, United States
Abstract
Groundwork:
Trials that involve human participants telephone call for experiments or observations that are performed in a clinical research setting. Currently, in that location are over 16,000 clinical trials open in the United States. Despite continuing efforts to include "special populations" in clinical trials, there are gaps in participation for people who are either minors or elderly adults, are from historically under-represented minorities, or live in rural communities. The inclusion of these special populations in clinical trials enquiry is essential for conclusions that benefit all populations. Data advise that study partic-ipation rates for special populations have fallen to levels that could endanger the successful operation of some types of enquiry. This is peculiarly concerning in the 21st century, where demographic trends in the United States continue to shift towards an older and Hispanic population with fewer rural dwellers. Trends in New Mexico and other minority-majority states mirror many of these shifts.
Relevance for patients:
In this review, nosotros highlight comeback strategies for enhanced clinical trial participation past members of special populations. Key drivers for disparate clinical trials participation and outcomes frequently include differences in genetics, physiology, and perceptions of mistrust towards researchers. To overcome these barriers, nosotros focus on best practices in recruitment strategies from the perspectives of the participants, the researchers and the institutions that support clinical trials.
Keywords: clinical trials, special, populations, accrual, retention, best practices
1. Introduction
Demographic transitions signify important milestones in the social and scientific evolution of the U.s.a. (U.S.). Over the course of the adjacent few decades the U.Southward. will witness a transition from a predominantly ethnically and racially homogenous club to a more heterogeneous one. By the year 2044 non-Hispanic Whites will no longer enjoy an ethnic majority status, and by the twelvemonth 2060 Hispanics/Latinos, who are the third fastest growing ethnicity nationally, will account for more than 1¬quarter of the total U.South. population. Census reporting of two or more races per individual are expected to increase, with steep declines in non-Hispanic White alone reporting [1]. Concurrent to these indigenous and racial changes, age demographics will also be rapidly evolving. By 2030 the terminal of the infant boomer generation will plough 65, while overall fertility rates will continue to decline. Despite continuing efforts to include representation of unlike populations in clinical trials, current participation rates do not accurately represent the diverse constituencies of the U.S. For these reasons, recruitment of special populations is needed to appraise and proceed to advance health related research. Increased participation helps to ensure that sufficient sample size for ethnicity-specific analyses can be conducted and applicative to the diverse populations that researchers seek to serve [two].
In health research the term "special populations" (Table 1) has been used interchangeably with "vulnerable populations" or "diverse populations". The complicated or inconsistent use of terminology in studies tin adversely impact the accuracy or design implementation in clinical trials where under-represented groups are beingness targeted [two]. The National Institute of Wellness (NIH) has specifically defined vulnerable populations, with protections afforded to those populations based on the characteristics of each grouping. In human research the vulnerable populations comprised of unborn children (Subpart B), prisoners (Subpart C), children (Subpart D), and those with cognitive harm have been afforded additional protections, considering they are at chance for undue influences in a enquiry environment. The term "diverse populations" has been used to describe women, historically under-represented minorities, and members of the LGBTQ+ community or other populations that sometimes are overlooked in clinical inquiry studies.
Table ane.
U.s. Population in millions [in millions; (%)]
Projected shifts amid United states special populations predict increases in population age, a growth among Hispanic communities and a ascent in urbanization.
For this summary paper, we define "special populations" past age (minors younger than xviii years of historic period or elderly adults older than sixty-v), historically under-represented ethnic or racial groups, and people who live in rural areas. Including "special populations" in health research has become recognized as a priority past wellness care providers, researchers, funders, and community members. However, including special populations can nowadays significant challenges for recruitment and retentivity of participants. In contempo years, in that location has been attention to this effect in the wellness research literature. New Mexico mirrors the changing trends in demographics, especially in growth of Native American and Latino populations, many of whom reside in rural, under-served locations. Equally clinical and translational wellness research is expanding, our experiences, largely drawn from the UNM Clinical and Translational Scientific discipline Center (CTSC), can inform this 'comprehensive' understanding and all-time practices. It is oft necessary to engage in multiple, simultaneous strategies including both those intended to generally better inclusivity and those designed specifically for enquiry with special populations. Such strategies include a complex interplay between inquiry design, logistics and infrastructure, participant recruitment and retentivity, civilisation and context, institutional chapters, communication among team members, and community engagement (Figure i) [3].
Causative features for gaps in best practices for clinical trial inclusion. Clinical trials recruitment and retentiveness are challenged past at least six areas of deficiencies. A partial listing of specific items is addressed but may be overcome by focused interventions.
2. Factors in special populations research and why they matter
Key factors for special population research include differences in genetics and physiology betwixt ethnically and racially defined groups, admission to clinical trials for citizens living in rural cultural areas, age-defined variations across the human being lifespan and cultural multifariousness. Historical and contextual matters are discussed besides. Discipline sampling is one of the foundational principles in the behave of well-designed clinical trials. When special populations have been included into clinical trials, numerous age-dependent, customs, cultural and genetic features have come to low-cal (Table 2). These key drivers of variance between special populations require consideration when designing clinical trials to answer specific, population-based questions based upon age, racial/ethnic variety and context.
Table two.
Evidenced-based practices for enhancing recruitment and retention among Special Populations
two.one. Age-specific variances in clinical trials outcomes
At either end of the human being lifespan, drugs are differentially metabolized, depending upon enzymatic efficiency and organ maturity, as demonstrated by differences in renal, hepatic, and other organ toxicities between infants and adults [4,5]. Moreover, drug studies in children crave different research metrics and endpoints that are unrelated to consent/assent in special populations that are defined past age [6,7]. Infants are at particularly increased risk from differences in physiology and organ maturity. Older adults are at increased risk for age-associated adverse events including those related to cardiovascular health, immune function, neuropathies and comorbidity in full general. In some cases, barriers to recruitment are created past researchers themselves, as demonstrated by studies that failed to accrue target populations of elderly adults due to over-use of co-morbid exclusion criteria. When comorbidities are used as exclusion criteria, many geriatric patients may not be eligible for studies that they would have otherwise been engaged in as potential participants.
ii.2. Genetic variances among racial/ethnic groups
Race and ethnicity have been linked to differences in genetic predispositions to affliction [8-11]. Now that targeted therapies and personalized approaches to diseases having gene-based variances have become more available, genomically-informed approaches are increasingly important among special populations [12-fifteen]. Members of special populations that are defined by race and ethnicity harbor genetic differences that have biological consequences. Examples of such findings have been described for members of various racial/indigenous groups who received treatment for HIV with efavirenz resulting in better clinical intendance for these groups [16].
2.3. History, context and the ephemeral nature of trust
Knowing the historical and experiential context for a special population can help researchers be aware of problems related to trust that influence participant attitudes and behavior. Trust may exist breached by damaging stereotypes are perpetuated by researchers or the research process, and internalized negative messages that influence choices and behaviors amongst members of that population [17,18]. Killien et al. [19] discuss how unethical research practices influence distrust amongst women of colour. The Tuskegee syphilis study is widely recognized for the residual mistrust that was engendered, not only amongst African American men and the African American community in general, but also amidst women partners of the men involuntarily studied who were exposed to syphilis without their knowledge and also not provided with treatment. People of color have been routinely targeted by ideologically driven and unethical trials that involved failure to disclose sterilization, drug testing, or utilize of biological materials for other purposes [twenty,21]. This history encourages conspiracy theories about the AIDS epidemic, concepts of genocide, and distrust of researchers; contexts cannot be understated. Choi et al. [22] emphasize the demand to build trust and respect and to facilitate a not-threatening environment for participants in a research written report.
2.4. 2.4 Access, awareness and geographic isolation
Access to health intendance and health awareness may vary betwixt urban and rural populations, affecting behavioral outcomes within communities [23-25]. In many cases, when made aware of differences between special populations, investigators have assessed risks differently and, with better-informed hypotheses, have discovered novel, unexpected mechanisms amongst the conditions studied (Effigy 1).
The inclusion of special populations helps healthcare researchers succeed in improving health outcomes for everyone. Because people not appropriately treated for a variety of conditions do not benefit from the advances fabricated elsewhere, significant healthcare costs are incurred, peculiarly amidst children from low-income families [26,27]. For these reasons, the inclusion of special populations provides opportunities for health improvements that are non easy to predict simply are certain to occur.
The NIH has attempted to address these inequities through its efforts to define special populations. Equally a first step, the NIH requires reporting metrics for women, children, and under-represented minorities who are participants in enquiry studies (Not-OD-16-010: Inclusion of Children in Clinical Research: Change in NIH Definition; Non-OD-15-089: Racial and Indigenous Categories and Definitions for NIH Variety Programs and for Other Reporting Purposes). This upshot is further addressed by considerations of autonomy, beneficence and justice, as described past the Belmont Written report, which stipulates that subjects should non exist excluded from participation in a clinical trial simply because information technology is easier and more convenient to recruit participants from an urban, academic health scientific discipline center [28]. These principles phone call upon investigators to consider undertaking clinical trials that permit the inclusion of special populations for reasons that are scientifically justifiable. The diversity of clinical trial needs, and the populations they might serve, cannot be hands met by private investigators who may exist forced to work exterior of their telescopic of clinical or scientific expertise.
three. Approaches for recruiting special populations
3.1. Implementation and design
Enquiry design has been identified as a central-influencing factor for making research more inclusive. Firstly, there are many types of research studies varying from FDA regulated clinical trials to community-based observational studies. Interest and participation is likely to vary based on the types of studies. A clinical trial that has an intervention arm with a placebo may be unattractive to potential participants considering they believe that the intervention to be tested is better and they don't desire to be randomized (UNM CTSC research participants, personal communication). There are trial designs, such every bit cross-over, stepped-wedge, and others that offering participants and communities increased admission to study interventions. Including community consultation in early phases, and on specific design and implementation procedures has been shown to be an effective means of increasing trial and research study awareness, participation and enrollment.
Operationally, attention to both general and specific details in the implementation of a written report tin can strongly bear upon recruitment and retention of individuals from special populations. Townsley et al., Selby & Siu [29] argue that many barriers to recruitment are created by researchers themselves. Logistical accommodations in research implementation take as well been shown to significantly impact diversity inclusion in health research. Creating more frequent feedback loops for tracking recruitment rates can permit researchers to adjust approaches and modify materials to better inclusion (Alexander et al., Table ii). Identifying a site champion to monitor and promote recruitment can enhance diversity of participation, as long as the target populations are appropriate to accost the underlying scientific questions [thirty]. Ensuring that recruitment materials and enquiry instruments are at an appropriate literacy level facilitates participation [17,31]. Establishing a personal connection between participants and inquiry staff through follow-upwardly calls, including caregivers or family unit members in the research, or even by sending altogether cards to participants in longitudinal studies, can strengthen retention [eighteen,31,32] (Young, Table ii). Providing logistical support such as transportation [30-33], childcare, and creating flexibility in the fourth dimension or location of research appointments [18,31] have potential to brand it more likely that participants will be able to participate. And importantly, fairly munerating participants for their time and ensuring that compensation re is culturally appropriate are also of import components of the procedure [17,18-31,34-39].
Trent et al. [40] suggest that special populations can be successfully recruited with "sufficient investment in the design and infrastructure of the report," and Townsley et al, Selby & Siu [29] found that provision of personnel and resources to accommodate the unique requirements of their target special population helped to remove barriers to recruitment. In general, a less rigid study design and logistical orientation toward the target group can promote recruitment and retention among special populations. Flexible written report design tin can allow adaptation to the specifics of the target group [41].
3.2. Identification of trust bug among ethnic minorities
In retrospective analyses, members of African American, Hispanic, Asian, and Native American populations is oft not mentioned in clinical trials reporting metrics, and if they are identified, representation from these groups are below expectations [42,43]. Depending upon the population being studied, members of nether-represented minorities may not understand the concept of a clinical trial or have concerns that the research procedures may non exist covered by insurance, which may include additional visits for medical care, travel costs, or laboratory tests. Furthermore, literacy rates or a master language other than English tin pose meaning barriers to clinical trials participation [44]. This problem is even further accentuated for special populations, particularly those of low socioeconomic or minority condition, and in both younger and older groups.
The challenges of recruiting minorities for clinical enquiry accept been well documented in the literature, and from our experiences working with special populations in the State of New Mexico [45-47]. Some studies show that rates of minority enrollment and participation in observational studies are similar to that past non-minorities [48-50], yet evidence suggests that in that location are pregnant barriers to participation for minorities in clinical trials [51]. Factors associated with non-participation and as a result of poor recruitment include: mistrust of researchers and government agencies [52,53], discomfort with the idea of existence a "guinea-pig" [54], fourth dimension and scheduling demands [55], economic barriers related to fourth dimension off piece of work [56], being excluded due to existing medical problems [57], and transportation to and from the inquiry site [58]. Community barriers include fear of exploitation, being treated poorly, and low levels of knowledge regarding the need for medical research [54,59,sixty]. Many people and patients practice not perceive whatsoever benefits (especially from non¬intervention studies) from enquiry participation [61,62], and lack of incentives, specially financial incentives has been shown to reduce interest, recruitment and retentiveness rates among low income and minority patients [38].
3.3. Accommodating culture and context
Working with special populations in enquiry can require that unique accommodations exist made for the specific cultural and contextual realities of participants' lives (Figure two, Table 2). Information technology may be necessary to conduct a formative assessment to narrate the population of interest and to identify barriers to recruitment and participation [three,30]. Interviews with key community members or focus groups including members of the special population can be office of this process. Developing culturally tailored materials and protocols accept been shown to better recruitment and retentiveness [iii,33,63]. Linguistic communication is a key dimension of culturally advisable recruitment strategies for some special populations and should not exist underestimated [18,31]. Recruitment materials available in the participant's language as well as ensuring members of the research staff are fluent in that language tin go a long manner to enhance recruitment and retentivity. A nested recruitment design can embed targeted recruitment strategies within a general recruitment program in social club to heighten participation by targeted special populations [3].
Summary points for improved clinical trials accrual and retention for participants from special populations.
Notwithstanding, as Trickett [64] suggests, culturally targeted enquiry strategies need to become across language or recruitment materials with images of individuals from the population of interest. Research pattern needs to exist culturally and contextually "situated" to appropriately accommodate the participants' reality. Researchers and the scientific process volition benefit from better understanding of participants' social, economical, and cultural contexts. This tin can include simple things such as knowing how and when to employ culturally appropriate forms of address [31], means of asking questions [33], or knowledge of relevant holidays and religious observances or more circuitous culturally and contextually based perspectives, beliefs, behaviors, and experiences. Hiring project staff who are culturally matched to the population of study [19,30], such every bit Customs Health Workers (CHWs), Promotoras, or community representatives who can operate equally culturally competent insiders can significantly better research team cultural competence and consequently improve participation by members of some special populations [18,31,65,66].
3.four. Outreach and communication
Communication is an of import dimension of the recruitment and retention equation for special populations [32,33]. Outreach to the customs through public lectures and strategically placed media spots tin can increase awareness of the significance of the topic of enquiry [17,31,34], which can lead people to become interested in participating. Communications, such as brochures, posters, and informed consents, demand to incorporate health literacy —non just form level assessment—to raise communication efficacy.
Through effective communication, researchers can also help participants empathise how their participation in clinical trials enquiry could be of benefit non simply to themselves but to the broader community [31]. Participant altruism has been shown to be an important motivator for individuals from many special populations [eighteen]. Communicating the expanded informational context means that when a study is implemented and in the recruitment phase potential participants volition have an increased likelihood of beingness interested in participating.
iii.5. Participant awareness
Community-engaged research practices [67] and Community-Based Participatory Research (CBPR) approaches [68] have the chapters to reveal circuitous customs dynamics that need to be considered in health research. As such, community date and participation have been shown to improve the scientific quality of the research, the cultural competence of researchers, and recruitment and retention of participants [69]. Involving community members in designing and implementing a research study through reviewing instruments, working equally projection staff [31,33], or identifying individuals from the population of study who tin can help build relationships and conduct outreach in the community [18,30], can encourage recruitment. Community-engaged research processes and the bellboy relationships that are established can likewise assist to overcome entrenched mistrust of researchers or the research process that exists among some special populations. Ford et al. [44] and George et al. [18] found that participants preferred research conducted in customs contexts, similar to the findings of others [17,eighteen,70].
The "relationship" and its components, similar trust, cooperation, power, and risk perception, between researchers and the community is particularly key [19,22]. A usually reported perspective in the community is that researchers only testify up when they want to get people to participate in their study. Killien et al. [19] recommends that "productive partnerships between researchers and community members should be encouraged to proceed across the life of the specific research project" for researchers to overcome existence seen equally "taking" from the customs. To overcome community perceptions of mistrust directed against the regime, Ejiogu et al. [53] adult door-to-door outreach efforts, neighborhood meetings, and mobile examination centers to increase enrollment for African Americans who participated in a longitudinal crumbling study. They also provided certificates of confidentiality and safety training programs that involved the local law. Newman [71] overcame many of these same barriers by addressing the risks of clinical trial participation and the trial'south risks from a family perspective. Additionally, using partner-led recruitment allows customs organizations collaborating with researchers to use techniques that researchers may not exist familiar with and to leverage existing relationships of trust to identify, outreach, and motivate individuals to participate [19,22,72].
Recruitment of special populations in rural communities is especially hard, given geographical location challenges, transportation barriers, and lower numbers of eligible participants [73]. Lack of awareness of research opportunities is an additional barrier to successful involvement of rural communities in clinical enquiry. Community-based recruitment strategies could increase participation amid rural customs participants. Utilizing community liaisons to help in the recruitment of rural participants can prove an effective strategy for improving researcher-participant trust, inquiry awareness, and address geographic challenges associated with access to care. Furthermore, many potential enquiry subjects living in rural locations may have never heard of clinical trial opportunities, farther distancing them every bit participants. Successful efforts to increase participation accept centered on customs awareness, mobile recruitment sites, and involving research participants in interventions.
3.6. Families, parents and children
For clinical trials that are intended to recruit children and adolescents, federal regulations mandate that the consenting process include language that is advisable for enquiry subjects that autumn into the 7 to 11-year-old and 11 upwardly to historic period xviii-year old assent categories and exist written in languages that are understood by the children and their parents. Clinical trials that have successfully recruited and retained minors as participants utilized social media networking techniques, provided increased incentives, including money and gifts, and focused on flexibility to accommodate the needs of working parents [74,75]. Wiemann et al. [76] considered the participants' mothers important points of contact, while Zamora et al. [77] used culture-specific and parent-centered approaches to be important aspects of protocol recruitment success. In a large report of children with genetic risk of type-1 diabetes, researchers assessed factors associated with poor retention among ethnic minorities [74]. They plant that it was essential to solicit multiple types of contact information since many families were often mobile. In a follow-up study, researchers developed a "high risk of early drop out" score that targeted the group with a college score for retention interventions [78]. They evaluated differences in the groups by intervention (vs. none) and by hazard score (high vs. low). Withdrawal rates were significantly higher in the high-risk compared with the low-risk groups who did not get the intervention, while withdrawal rates were lower in the high scoring group that participated in the intervention compared to those who did not. In the intervention grouping, in that location was no significant departure between the high and low risk groups for early withdrawal. This study did not evaluate a systematic intervention only allowed interventions to be designed by individual sites. The nearly common intervention approaches to reduce attrition included: increasing individual attending for consistency of interaction, enhancing family date, and hiring a retention coordinator to increase intensity and consistency of patient contacts. Many studies implement recruitment and memory strategies similarly with an eye toward addressing the barriers and facilitators "organically" (Table ii). Cui et al. [75] reviewed strategies used in studies of minority and low-income children in trials that included obesity-related behavior modification (not outcomes). They found that of 43 studies, 25 (55%) reported which strategies were used. The most common were: increasing incentives, including coin and gifts, cartoon for souvenir cards, rewards for retention, including greenbacks, nutrient, exercise equipment, recipe books, YMCA memberships holding family nights and having potent customs connections. In each case, studies emphasized the need for appointment reminders and follow-upwardly calls.
Customs connections are emphasized in many studies but few define it well. Some defined approaches include having a community advisory board, interacting with neighborhood groups, churches, and schools. Study flexibility, resources that address access barriers such every bit language, transportation, child-care, and time away from work were needed.
3.vii. Fair bounty
Evidence for strategies to heighten recruitment and retention of special populations is varied. The best show includes assessments in trials and experimental designs, as well as systematic reviews [39,79-81]. In a systematic review, Brueton et al. [82], examined viii trials that randomized evaluations to improve response and retention rates (most embedded in trials). Factors shown to exist associated with college response rates Distributed under artistic eatables license 4.0 included monetary incentives, college value (more money) incentives, also every bit shorter surveys (Table two). They note a lack of evidence for: type of postal commitment, not-monetary incentives, donations to charity, and sending surveys out early on. In a split systematic review, Treweek et al. [80] assessed methods to better recruitment into randomized controlled trials (Tabular array two). Results from 45 trials showed that virtually constructive interventions included: phone reminders, using opt-out procedures for contacting potential participants, open trial designs, and payment for participation.
Payment for research emerges equally one of the well-nigh important strategies with respect to engaging and retaining special populations in enquiry. Payments that are non-conditional were constitute to be more than effective than 'provisional' ones. In a written report of 21 to 65-year old participants, Alexander et al. [35], evaluated clinical trials enrollment that was influenced by incentive combinations, including no incentive, conditional (promised), and unconditional incentive. They found that the highest enrollment was amid those who received unconditional cash incentives, and that retention was linked to higher value incentives. While this study did non recruit members of special populations, per se, the findings reflect of import considerations for all study participants. Financial incentives take shown to be more effective in adolescents attending STI clinics [37], ethnic minority men-who-have-sex-with men (MSM) recruited for HIV vaccine trials [71], and reducing loss to follow-up in women who inject drugs during interventions [83]. While most researchers found that compensating participants for their fourth dimension was extremely important in trial recruitment and memory, in a survey of ii,150 nationally representative adults Walter et al.[38] found that requested payments differed significantly by racial/ethnic group, with Hispanics requesting more than payment than not-Hispanic Whites (Table 2) [38].
3.eight. Improving the consent process
Proper informed consent is a process of information substitution between researchers and participants to gain voluntary understanding to consent [84,85]. Efforts to increase participation in clinical studies must include a dynamic consent conversation, which must take into consideration whether the potential research participant understands the scientific objectives of the study. Because "clinical trial" is a term that is oftentimes unfamiliar in under-represented communities, efforts to educate potential participants were met with success in several studies [86]. Educational activity about the process of participating in a clinical trial, particularly regarding the consent procedure, improved enrollment. Efforts to educate participants in a culturally-sensitive manner, including why the subject's ethnic grouping were employed to increase participation in a written report to better empathise the attitudes of a healthy population towards genetic determinants of wellness. Matsui et al. [87] found that their efforts to meliorate inform participants about the risks and benefits of a genetics study using DOI: http://dx.doi.org/10.18053/jctres.04.201801.003 a re-iterative consenting and follow-up procedure resulted in a lower participation rate than in the command population. However, there were fewer withdrawals from the experimental report population than for the control group, suggesting that those who participated in the study were amend informed and more than committed to completing the study activities [87]. The research group also plant that written report participants who had more than time to consider being in the study were more probable to consummate the written report activities [88]. Their efforts to brainwash study participants using an on-going consent process—to instill a genuine partnership based on cooperation—show that informed consent is a time and education-dependent process. Researchers involved in special population studies are especially impacted by these findings, because they must frequently overcome mistrust, misperceptions, and misunderstandings from past special populations research.
three.9. Structural and institutional considerations
While researchers can take study-specific activity to improve representation of special populations in health research, there are too institutional and structural approaches that deserve more than attending from the inquiry community. Napoles & Chadiha [3] suggest creating registries for individuals from special populations who express interest in participating in research. Such registries could be site-specific, or they could be cantankerous-site with infrastructure costs of maintaining the registry shared by unlike sites or teams. Research networks can as well exist influential in creating cross-site relationships for recruitment [32]. Establishing ongoing collaboration with organizations and agencies that interface with members of a special population can aid researchers identify and connect with participants, and individuals who work for these organizations are often important allies in decreasing participant mistrust [31].
Yet beyond institutional capacity-edifice, at that place are also structural factors outside the command of inquiry teams that influence recruitment of special populations. Ford et al. [17] suggest that the cultural variety of the research team must be considered, only the standing lack of variety ways that it is oft difficult to create a legitimately diverse research team with the capacity to reach special populations. Napoles & Chadiha [iii] write well-nigh the lack of funding bachelor for conducting inquiry on recruitment diversity challenges and the fact that Funding Opportunity Announcements (FOAs) designed to specifically address this issue are few and far between. They propose that in lieu of specific FOAs, funders could provide opportunities for supplemental funding to amend recruitment for special populations within the context of broader studies. And, significantly, what is clear from the complexity of the issues involved in recruiting and retaining individuals from special populations to participate in research, researchers need to allocate more time for planning the pattern and implementation of studies that include special populations [31,32]. Funders should as well exist made enlightened that working with special populations oft requires extended time frames and will require the allocation of resources at a level advisable for such research and its broadcasting [89].
Practitioners face a different set of barriers regarding participation in clinical trials. These barriers tin be system-related, including lack of fourth dimension and inadequate inquiry experience. In addition, practitioners participating in clinical trials hardly ever receive recognition for their efforts or receive adequate incentives. To encourage participation, adequate incentives should also be considered for clinic staff, and these can include non-financial incentives such equally standing medical education credits.
iv. Summary points: enquire the correct questions, do the right things
Despite the 1993 National Institutes of Health (NIH) Revitalization Act [90] requirfiging that NIH-sponsored clinical inquiry include women and members of minorities and their subpopulations, special populations are not beingness appropriately invited or recruited for research. Effective engagement is an important strategy for the successful recruitment of participants. Comparing report designs using passive versus active recruitment methods are effective measuring strategies for what works in the recruitment of underrepresented minorities. Active recruitment involves targeting specific special populations and targeting participants in person, past telephone, or by post. Passive recruitment informs the community about a research project through flyers and brochures, prompting research participants to contact research staff [91]. Show shows that less than 10% of patients participate in trials [91], and co-ordinate to the Department of Health and Man Services, merely 12% of U.S adults possess skilful health literacy [92]. It is important to emphasize the need to utilize multidimensional strategies to improve inclusivity. The approaches described in this monograph can help researchers improve targeted special population recruitment in clinical trials. Building trust, conducting trials that thing, and offering bonny incentives as well as offering easy opt out options, are some of the best practices identified for this purpose (Tabular array 2; Figure 2). What are the all-time practices for better clinical trials?
4.i. Evolution of clinical trials that thing to the special population participants
A central influencing cistron for special population recruitment is developing clinical trials that match the wellness priorities of communities of study or target populations. While much enthusiasm for a clinical trial might exist among the investigators, information technology is very unlikely that the intended participants will consent to enrollment if the trial is of little or no interest to the subjects themselves.
4.2. Utilization of meaningful incentives
Research requires piece of work, peculiarly for the research participants. Inadequate incentives and/or poor logistical planning is enough to discourage participation. Every bit motivators, incentives have to be commensurate with the fourth dimension and effort potential participants have to take to prepare and commit in trial participation and easily facilitate access to the study site. Non-provisional incentive payment for research is one of the most of import strategies for engaging and retaining special populations.
4.iii. Building trustworthy relationships takes time and effort
Respecting the privacy and wishes of the community is an of import factor when recruiting special populations. The acquit of clinical trials matters greatly to many stakeholders, including the principal investigators, the institutions that help to sponsor the research, and the regulatory agencies that oversee their behave. But the most important stakeholders are the research participants themselves. Without their trust, little progress will exist made, just with their trust, swell progress will keep to exist towards improved health outcomes for all.
The current economical landscape of healthcare continues to challenge customs hospitals and academic wellness systems alike [93]. As large healthcare systems undergo mergers or acquisitions, inquiry practices are impacted in ways that are not fully understood. Newly formed partnerships between individual and public institutions join different cultures in business practices, missions, and infrastructures related to referral patterns, research capacities and overall healthcare objectives. Yet, demographic changes across the US will compel the healthcare industries of the 21st century to cover the healthcare needs of our special populations, which
Acknowledgements
We wish to thank Mr. Jeremy Work for his technical assistance in preparing the manuscript, the members of the UNM Clinical and Translational Science Center'southward Integration of Special Populations committee, and to the many researchers working with special populations that keep to educate u.s.a. on best practices. This work was supported by NCATS UL1TR001449.
Disclosures
The authors have no interests to disclose related to this work.
References
[1] Colby SL, Ortman JM. Projections of the size and limerick of the U.S. population: 2014 to 2060: Current Population Reports. Washington, D.C., U.South. Demography Bureau, 2014;pp:one–13. [Google Scholar]
[ii] Yancey AK, Ortega AN, Kumanyika SK. Effective recruitment and retention of minority inquiry participants. Annu Rev Public Wellness. 2006;27:1–28. [PubMed] [Google Scholar]
[3] Napoles AM, Chadiha LA. Resource Centers for Minority Crumbling R. Advancing the scientific discipline of recruitment and retentiveness of ethnically diverse populations. Gerontologist. 2011;51 Suppl 1:S142–146. [PMC free article] [PubMed] [Google Scholar]
[four] McNutt DM, Holdsworth MT, Wong C, Hanrahan JD, Winter SS. Rasburicase for the management of tumor lysis syndrome in neonates. Ann Pharmacother. 2006;half dozen:1445–1450. [PubMed] [Google Scholar]
[v] Stock W, Douer D, DeAngelo DJ, Arellano Thou, Advani A, Damon L, Kovacsovics T, Litzow Chiliad, Rytting M, Borthakur G, Bleyer A. Prevention and management of asparaginase/pegasparaginase-associated toxicities in adults and older adolescents: Recommendations of an expert panel. Leuk Lymphoma. 2011;1:2237–2253. [PubMed] [Google Scholar]
[half dozen] Kamali F. Genetic influences on the response to warfarin. Curr Opin Hematol. 2006;half-dozen:357–361. [PubMed] [Google Scholar]
[7] Wall TL, Luczak SE. Hiller-Sturmhofel Southward. Biology, genetics, and environment: Underlying factors influencing booze metabolism. Booze Res. 2016;6:59–68. [PMC gratuitous article] [PubMed] [Google Scholar]
[8] Hamilton BK, Rybicki L, Sekeres M, Kalaycio Grand, Hanna R, Sobecks R, Dean R, Duong H, Hill BT, Bolwell B, Copelan E. Racial differences in allogeneic hematopoietic cell transplantation outcomes among african americans and whites. Bone Marrow Transplant. 2015;v:834–839. [PubMed] [Google Scholar]
[9] Hunger SP, Lu X, Devidas Thou, Camitta BM, Gaynon PS, Winick NJ, Reaman GH, Carroll WL. Improved survival for children and adolescents with acute lymphoblastic leukemia betwixt 1990 and 2005: A report from the children'southward oncology group. Journal of clinical oncology : official journal of the American Society of Clinical Oncology. 2012;two:1663–1669. [PMC free article] [PubMed] [Google Scholar]
[ten] Gill AA, Enewold L, Zahm SH, Shriver CD, Stojadinovic A, McGlynn KA, Zhu K. Colon cancer handling: Are there racial disparities in an equal-access healthcare arrangement? Dis Colon Rectum. 2014;4:1059–1065. [PMC free article] [PubMed] [Google Scholar]
[xi] May FP, Almario CV, Ponce N, Spiegel BM. Racial minorities are more likely than whites to report lack of provider recommendation for colon cancer screening. Am J Gastroenterol. 2015;five:1388–1394. [PubMed] [Google Scholar]
[12] Harvey RC, Mullighan CG, Wang X, Dobbin KK, Davidson GS, Bedrick EJ, Chen IM, Atlas SR, Kang H, Ar K, Wilson CS, Wharton Due west, Murphy G, Devidas M, Carroll AJ, Borowitz MJ, Bowman WP, Downing JR, Relling M, Yang J, Bhojwani D, Carroll WL, Camitta B, Reaman GH, Smith M, Hunger SP, Willman CL. Identification of novel cluster groups in pediatric high-risk b-precursor acute lymphoblastic leukemia with gene expression profiling: Correlation with genome-wide Dna copy number alterations, clinical characteristics, and outcome. Blood. 2010;0:4874–4884. [PMC costless article] [PubMed] [Google Scholar]
[13] Xu H, Cheng C, Devidas M, Pei D, Fan Y, Yang W, Neale One thousand, Scheet P, Burchard EG, Torgerson DG, Eng C, Dean 1000, Antillon F, Winick NJ, Martin PL, Willman CL, Camitta BM, Reaman GH, Carroll WL, Loh Thousand, Evans Nosotros, Pui CH, Hunger SP, Relling MV, Yang JJ. Arid5b genetic polymorphisms contribute to racial disparities in the incidence and treatment outcome of childhood astute lymphoblastic leukemia. J Clin Oncol. 2012;2:751–757. [PMC free commodity] [PubMed] [Google Scholar]
[fourteen] Yang JJ, Cheng C, Devidas Thousand, Cao X, Fan Y, Campana D, Yang West, Neale One thousand, Cox NJ, Scheet P, Borowitz MJ, Winick NJ, Martin PL, Willman CL, Bowman WP, Camitta BM, Carroll A, Reaman GH, Carroll WL, Loh M, Hunger SP, Pui CH, Evans We. Relling MV. Ancestry and pharmacogenomics of relapse in astute lymphoblastic leukemia. Nature genetics. 2011;i:237–241. [PMC free article] [PubMed] [Google Scholar]
[15] Mayfield JR, Czuchlewski DR, Gale GM, Matlawska-Wasowska Grand, Vasef MA, Nickl CK, Lookout Chiliad, Ness SA, Winter SS. Integration of ruxolitinib into dose-intensified therapy targeted against a novel jak2 f694l mutation in b-precursor acute lymphoblastic leukemia. Pediatr Blood Cancer 2016;In Press [PMC free commodity] [PubMed] [Google Scholar]
[xvi] Klein K, Lang T, Saussele T, Barbosa-Sicard E, Schunck WH, Eichelbaum Yard, Schwab M, UM Z. Genetic variability of cyp2b6 in populations of african and asian origin: Allele frequencies, novel functional variants, and possible implications for anti-hiv therapy with efavirenz. Pharmacogenetics and genomics. 2005;5:861–873. [PubMed] [Google Scholar]
[17] Ford ME, Siminoff LA, Pickelsimer East, Mainous AG, Smith DW, Diaz VA, Soderstrom LH, Jefferson MS, Tilley BC. Unequal burden of disease, unequal participation in clinical trials: Solutions from african american and latino community members. Wellness Soc Work. 2013;three:29–38. [PMC costless article] [PubMed] [Google Scholar]
[18] George S, Duran N, Norris Thousand. A systematic review of barriers and facilitators to minority research participation amidst african americans, latinos, asian americans, and pacific islanders. Am J Public Health. 2014;4:e16–31. [PMC gratis article] [PubMed] [Google Scholar]
[xix] Killien M, Bigby JA, Champion V, Fernandez-Repollet E, Jackson RD, Kagawa-Vocalizer M, Kidd One thousand, Naughton MJ, Prout M. Involving minority and underrepresented women in clinical trials: The national centers of excellence in women'south health. J Womens Health Gend Based Med. 2000;0:1061–1070. [PubMed] [Google Scholar]
[xx] King J, JA A. Clinical affect of patient population differences and genomic variation in efavirenz therapy. . AIDS. 2008;viii:1709–1717. [PubMed] [Google Scholar]
[21] Shavers VL, Lynch CF, LF B. Knowledge of the tuskegee written report and its bear on on the willingness to participate in medical research studies. Journal of the National Medical Clan. 2000;0:663–672. [PMC complimentary article] [PubMed] [Google Scholar]
[22] Choi E, Heo GJ, Song Y, Han 60 minutes. Community health worker perspectives on recruitment and retentivity of recent immigrant women in a randomized clinical trial. Fam Community Health. 2016;6:53–61. [PMC free article] [PubMed] [Google Scholar]
[23] Nguyen D, Reardon LJ. The role of race and english language proficiency on the wellness of older immigrants. Soc Work Health Intendance. 2013;3:599–617. [PubMed] [Google Scholar]
[24] Vissandjee B, Desmeules M, Cao Z, Abdool Due south, Kazanjian A. Integrating ethnicity and migration as determinants of canadian women's health. BMC Womens Wellness. 2004;4(Suppl i):S32. [PMC free article] [PubMed] [Google Scholar]
[25] Waisel DB. Vulnerable populations in healthcare. Curr Opin Anaesthesiol. 2013;3:186–192. [PubMed] [Google Scholar]
[26] Flores G, Lin H, Walker C, Lee Grand, Portillo A, Henry M, Fierro K, Massey G. A cross-sectional study of parental awareness of and reasons for lack of health insurance among minority children,and the impact on health, access to care, and unmet needs. Int J Equity Wellness. 2016;6:44. [PMC free article] [PubMed] [Google Scholar]
[27] Kreider AR, French B, Aysola J, Saloner B, Noonan KG. Rubin DM. Quality of wellness insurance coverage and access to care for children in low-income families. Jama Pediatrics. 2016;six:43–51. [PMC gratuitous article] [PubMed] [Google Scholar]
[28] Emanuel EJ, Wendler D, Grady C. What makes clinical research ethical? Jama-Journal of the American Medical Association. 2000;0:2701–2711. [PubMed] [Google Scholar]
[29] Townsley CA, Selby R, Siu LL. Systematic review of barriers to the recruitment of older patients with cancer onto clinical trials. J Clin Oncol. 2005;5:3112–3124. [PubMed] [Google Scholar]
[30] Cruz TH, Davis SM, FitzGerald CA, Canaca GF, Keane PC. Engagement, recruitment, and retention in a trans-community, randomized controlled trial for the prevention of obesity in rural american indian and hispanic children. J Prim Prev. 2014;4:135–149. [PMC complimentary commodity] [PubMed] [Google Scholar]
[31] Waheed W, Hughes-Morley A, Woodham A, Allen G, Bower P. Overcoming barriers to recruiting indigenous minorities to mental health research: A typology of recruitment strategies. BMC Psychiatry. 2015;5:101. [PMC complimentary article] [PubMed] [Google Scholar]
[32] McMurdo ME, Roberts H, Parker Southward, Wyatt N, May H, Goodman C, Jackson South, Gladman J, O'Mahony South, Ali Thou, Dickinson E, Edison P, Dyer C. Historic period, Ageing Specialty Grouping NCCRN. Improving recruitment of older people to research through good practice. Age Ageing. 2011;i:659–665. [PubMed] [Google Scholar]
[33] Hodge FS, Weinmann South, Roubideaux Y. Recruitment of american indians and alaska natives into clinical trials. Ann Epidemiol. 2000;0:S41–48. [PubMed] [Google Scholar]
[34] Caldwell PH, Hamilton Due south, Tan A, Craig JC. Strategies for increasing recruitment to randomised controlled trials: Systematic review. PLoS Med. 2010;0:e1000368. [PMC free article] [PubMed] [Google Scholar]
[35] Alexander GL, Divine GW, Couper MP, McClure JB, Stopponi MA, Fortman KK, Tolsma DD, Strecher VJ, Johnson CC. Outcome of incentives and mailing features on online health program enrollment. Am J Prev Med. 2008;eight:382–388. [PMC free commodity] [PubMed] [Google Scholar]
[36] Beydoun H, Saftlas AF, Harland Grand, Triche E. Combining conditional and unconditional recruitment incentives could facilitate telephone tracing in surveys of postpartum women. J Clin Epidemiol. 2006;half dozen:732–738. [PubMed] [Google Scholar]
[37] Kamb ML, Rhodes F, Hoxworth T, Rogers J, Lentz A, Kent C, MacGowen R, Peterman TA. What about coin? Effect of minor monetary incentives on enrollment, retentiveness, and motivation to change behaviour in an hiv/std prevention counselling intervention. The projection respect study group. Sex activity Transm Infect. 1998;8:253–255. [PMC complimentary article] [PubMed] [Google Scholar]
[38] Walter JK, Burke JF, Davis MM. Research participation by low-income and racial/ethnic minority groups: How payment may change the remainder. Clin Transl Sci. 2013;iii:363–371. [PMC free article] [PubMed] [Google Scholar]
[39] Brueton VC, Stevenson F, Vale CL, Stenning SP, Tierney JF, Harding South, Nazareth I, Meredith S, Rait G. Use of strategies to improve retention in primary care randomised trials: A qualitative study with in-depth interviews. BMJ Open. 2014;iv:e003835. [PMC free article] [PubMed] [Google Scholar]
[twoscore] Trent M, Chung SE, Gaydos C, Frick KD, Anders J, Huettner Southward, Rothman R, Butz A. Recruitment of minority adolescents and young adults into randomised clinical trials: Testing the design of the technology enhanced community health nursing (tech-n) pelvic inflammatory disease trial. Eur Med J Reprod Health. 2016;6:41–51. [PMC complimentary article] [PubMed] [Google Scholar]
[41] Paskett ED, Reeves KW, McLaughlin JM, Katz ML, McAlearney AS, Ruffin MT, Halbert CH, Merete C, Davis F, Gehlert S. Recruitment of minority and underserved populations in the united states: The centers for population health and health disparities experience. Contemp Clin Trials. 2008;8:847–861. [PMC free commodity] [PubMed] [Google Scholar]
[42] Sateren WB, Trimble EL, Abrams J, Brawley O, Breen N, Ford L, McCabe M, Kaplan R, Smith M, Ungerleider R, Christian MC. How sociodemographics, presence of oncology specialists, and hospital cancer programs bear upon accrual to cancer handling trials. J Clin Oncol. 2002;two:2109–2117. [PubMed] [Google Scholar]
[43] Williams M, Powers M, Yun YG, Foa East. Minority participation in randomized controlled trials for obsessive-compulsive disorder. J Anxiety Disord. 2010;0:171–177. [PMC free commodity] [PubMed] [Google Scholar]
[44] Ford JG, Howerton MW, Lai GY, Gary TL, Bolen S, Gibbons MC, Tilburt J, Baffi C, Tanpitukpongse TP, Wilson RF, PoweNR, Bass EB. Barriers to recruiting underrepresented populations to cancer clinical trials: A systematic review. Cancer. 2008;eight:228–242. [PubMed] [Google Scholar]
[45] Carter-Edwards L, Fisher JT, Vaughn BJ, Svetkey LP. Church rosters: Is this a viable mechanism for effectively recruiting african americans for a customs-based survey? Ethn Health. 2002;two:41–55. [PubMed] [Google Scholar]
[46] Orden SR, Dyer AR, Liu Thou. Recruiting immature adults in an urban setting: The chicago cardia experience. Am J Prev Med. 1990;0:176–182. [PubMed] [Google Scholar]
[47] Sullivan-Bolyai S, Bova C, Deatrick JA, Knafl Yard, Greyness M, Leung K, Trudeau A. Barriers and strategies for recruiting written report participants in clinical settings. West J Nurs Res. 2007;vii:486–500. [PubMed] [Google Scholar]
[48] Durant RW, Davis RB, St George DM, Williams IC, Blumenthal C, Corbie-Smith GM. Participation in inquiry studies: Factors DOI: http://dx.doi.org/ten.18053/jctres.04.201801.003associated with failing to come across minority recruitment goals. Ann Epidemiol. 2007;7:634–642. [PMC gratuitous article] [PubMed] [Google Scholar]
[49] Wendler D, Kington R, Madans J, Van Wye G, Christ-Schmidt H, Pratt LA, Brawley OW, Gross CP, Emanuel E. Are racial and ethnic minorities less willing to participate in health enquiry? PLoS Med. 2006;6:e19. [PMC gratuitous article] [PubMed] [Google Scholar]
[50] Wright JT Jr., Cushman WC, Davis BR, Barzilay J, Colon P, Egan D, Lucente T, Nwachuku C, Pressel Southward, Leenen FH, Frolkis J, Letterer R, Walsh Due south, Tobin JN, Deger GE, Group AR. The antihypertensive and lipid-lowering treatment to prevent heart assault trial (allhat): Clinical center recruitment experience. Command Clin Trials. 2001;ane:659–673. [PubMed] [Google Scholar]
[51] Ford JG, Howerton M. The science of recruiting minority populations to screening trials. Clin Trials. 2004;4:341–342. [PubMed] [Google Scholar]
[52] UyBico SJ, Pavel Southward, Gross CP. Recruiting vulnerable populations into research: A systematic review of recruitment interventions. J Gen Intern Med. 2007;7:852–863. [PMC costless article] [PubMed] [Google Scholar]
[53] Ejiogu North, Norbeck JH, Mason MA, Cromwell BC, Zonderman AB, Evans MK. Recruitment and retention strategies for minority or poor clinical inquiry participants: Lessons from the healthy aging in neighborhoods of diversity across the life span study. Gerontologist. 2011;1(Suppl 1):S33–45. [PMC free article] [PubMed] [Google Scholar]
[54] Wilets I, O'Rourke M, Nassisi D. How patients and visitors to an urban emergency department view clinical research. Acad Emerg Med. 2003;iii:1081–1085. [PubMed] [Google Scholar]
[55] Keyzer JF, Melnikow J, Kuppermann M, Birch S, Kuenneth C, Nuovo J, Azari R, Oto-Kent D, Rooney M. Recruitment strategies for minority participation: Challenges and cost lessons from the power interview. Ethn Dis. 2005;v:395–406. [PubMed] [Google Scholar]
[56] Corbie-Smith G, Moody-Ayers S, Thrasher Advertising. Endmost the circumvolve between minority inclusion in research and health disparities. Arch Intern Med. 2004;iv:1362–1364. [PubMed] [Google Scholar]
[57] Bolen S, Tilburt J, Baffi C, Gary TL, Powe N, Howerton M, Ford J, Lai G, Wilson R, Bass E. Defining "success" in recruitment of underrepresented populations to cancer clinical trials: Moving toward a more than consequent arroyo. Cancer. 2006;6:1197–1204. [PubMed] [Google Scholar]
[58] Blanton S, Morris DM, Prettyman MG, McCulloch K, Redmond S, Light KE, Wolf SL. Lessons learned in participant recruitment and retention: The excite trial. Phys Ther. 2006;6:1520–1533. [PubMed] [Google Scholar]
[59] LaVeist TA, Nickerson KJ, Bowie JV. Attitudes almost racism, medical mistrust, and satisfaction with intendance among african american and white cardiac patients. Med Intendance Res Rev. 2000;0(Suppl ane):146–161. [PubMed] [Google Scholar]
[60] Wipke-Tevis DD, Pickett MA. Touch of the health insurance portability and accountability human activity on participant recruitment and retentiveness. West J Nurs Res. 2008;8:39–53. [PMC free article] [PubMed] [Google Scholar]
[61] Blumenthal DS, Sung J, Coates R, Williams J, Liff J. Recruitment and retention of subjects for a longitudinal cancer prevention study in an inner-city black community. Health Serv Res. 1995;5:197–205. [PMC free commodity] [PubMed] [Google Scholar]
[62] Dennis BP, Neese JB. Recruitment and retentiveness of african american elders into community-based inquiry: Lessons learned. Arch Psychiatr Nurs. 2000;0:3–11. [PubMed] [Google Scholar]
[63] Haozous EA, Neher C. All-time practices for effective clinical partnerships with ethnic populations of n america (american indian, alaska native, get-go nations, metis, and inuit). Nurs Clin Due north Am. 2015;5:499–508. [PubMed] [Google Scholar]
[64] Trickett EJ. Multilevel community-based culturally situated interventions and customs impact: An ecological perspective. Am J Community Psychol. 2009;9:257–266. [PubMed] [Google Scholar]
[65] Larkey LK, Staten LK, Ritenbaugh C, Hall RA, Buller DB, Bassford T, Altimari BR. Recruitment of hispanic women to the women's wellness initiative. The case of embajadoras in arizona. Control Clin Trials. 2002;2:289–298. [PubMed] [Google Scholar]
[66] Larkey LK, Gonzalez JA, Mar LE, Glantz Northward. Latina recruitment for cancer prevention teaching via community basedparticipatory research strategies. Contemp Clin Trials. 2009;9:47–54. [PubMed] [Google Scholar]
[67] Folio-Reeves J, Mishra SI, Niforatos J, Regino Fifty, Bulten R. An integrated arroyo to diabetes prevention: Anthropology, public health, and community engagement. Qual Rep. 2013;3:1–22. [PMC free article] [PubMed] [Google Scholar]
[68] Wallerstein N, Duran B. Customs-based participatory enquiry contributions to intervention research: The intersection of science and practice to amend wellness disinterestedness. Am J Public Wellness. 2010;100(Suppl ane:):S40–46. [PMC free article] [PubMed] [Google Scholar]
[69] Minkler M. Customs-based research partnerships: Challenges and opportunities. J Urban Wellness. 2005;5:ii3–12. [PMC free article] [PubMed] [Google Scholar]
[70] Kaufman A, Rhyne RL, Anastasoff J, Ronquillo F, Nixon M, Mishra S, Poola C, Page-Reeves J, Nkouaga C, Cordova C, Larson RS. Health extension and clinical and translational science: An innovative strategy for community engagement. J Am Lath Fam Med. 2017;seven:94–99. [PubMed] [Google Scholar]
[71] Newman PA, Duan N, Roberts KJ, Seiden D, Rudy ET, Swendeman D, Popova S. Hiv vaccine trial participation amidst ethnic minority communities: Barriers, motivators, and implications for recruitment. J Acquir Immune Defic Syndr. 2006;half-dozen:210–217. [PubMed] [Google Scholar]
[72] Horowitz CR, Brenner BL, Lachapelle S, Amara DA, Arniella M. Effective recruitment of minority populations through community-led strategies. Am J Prev Med. 2009;9:S195–200. [PMC free article] [PubMed] [Google Scholar]
[73] Bishop WP, Craddock Lee SJ, Skinner CS, Jones TM, McCallister Grand, Tiro JA. Validity of single-detail screening for limited wellness literacy in english language and spanish speakers. Am J Public Wellness. 2016;6:889–892. [PMC complimentary article] [PubMed] [Google Scholar]
[74] Baxter J, Vehik Thou, Johnson SB, Lernmark B, Roth R, Simell T, Group TS. Differences in recruitment and early on memory amidst ethnic minority participants in a large pediatric cohort: The teddystudy. Contemp Clin Trials. 2012;2:633–640. [PMC free article] [PubMed] [Google Scholar]
[75] Cui Z, Seburg EM, Sherwood NE, Faith MS, Ward DS. Recruitment and retention in obesity prevention and handling trials targeting minority or low-income children: A review of the clinical trials registration database. Trials. 2015;five:564. [PMC complimentary article] [PubMed] [Google Scholar]
[76] Wiemann CM, Chacko MR, Tucker JC, Velasquez MM, Smith PB, DiClemente RJ, von Sternberg K. Enhancing recruitment and retention of minority immature women in community-based clinical inquiry. J Pediatr Adolesc Gynecol. 2005;5:403–407. [PubMed] [Google Scholar]
[77] Zamora I, Williams ME, Higareda M, Wheeler By, Levitt P. Brief report: Recruitment and retention of minority children for autism research. J Autism Dev Disord. 2016;6:698–703. [PubMed] [Google Scholar]
[78] Johnson SB, Lynch KF, Lee HS, Smith Fifty, Baxter J, Lernmark B, Roth R, Simell T, Group TS. At high risk for early withdrawal: Using a cumulative hazard model to increase retention in the first year of the teddy report. J Clin Epidemiol. 2014;4:609–611. [PMC free article] [PubMed] [Google Scholar]
[79] Nicholson LM, Schwirian PM, Groner JA. Recruitment and retentiveness strategies in clinical studies with low-income and minority populations: Progress from 2004-2014. Contemp Clin Trials. 2015;5:34–xl. [PubMed] [Google Scholar]
[80] Treweek Due south, Lockhart P, Pitkethly M, Cook JA, Kjeldstrom G, Johansen Grand, Taskila TK, Sullivan FM, Wilson Southward, Jackson C, Jones R, Mitchell ED. Methods to improve recruitment to randomised controlled trials: Cochrane systematic review and meta-analysis. BMJ Open. 2013;iii [PMC free commodity] [PubMed] [Google Scholar]
[81] Caren Heller, Balls-Drupe JE, Jill Dumbauld Nery, Patricia J, Erwin Dawn Littleton, Mimi Kim, Kuo WP. Strategies addressing barriers to clinical trial enrollment of underrepresented populations: A systematic review. Gimmicky Clinical Trials. 2014;four:169–182. [PMC free commodity] [PubMed] [Google Scholar]
[82] Brueton VC, Tierney J, Stenning Southward, Harding Southward, Meredith S, Nazareth I, Rait Thousand. Strategies to amend retention in randomised trials. Cochrane Database Syst Rev. 2013;MR000032 [PMC costless article] [PubMed] [Google Scholar]
[83] Semba RD, Ricketts EP, Mehta SF, Kirk GD, Latkin C, Galai North, Vlahov D. Adherence and retentiveness of female person injection drug users in a stage iii clinical trial in inner city baltimore. Am J Drug review of strategies for improving health and medical research Alcohol Corruption. 2007;vii:71–fourscore. [PubMed] [Google Scholar]
[84] Annas GJ. Reforming informed consent to genetic research. JAMA. 2014;2001;iv 1:42. 2326–2328. [PubMed] [Google Scholar]
[85] Kadam RA. Informed consent process: A step further towards making it meaningful! . Perspectives in Clinical Inquiry. 2017;8:107–112. [PMC free article] [PubMed] [Google Scholar]
[86] Ma GX, Tan Y, Blakeney NC, Seals BF, Ma XS, Zhai S, Liu A, Tai Y, Michaels Thou. The impact of a community-based clinical trial educational intervention among underrepresented chinese americans. Cancer Epidemiol Biomarkers Prev. 2014;23:424–432. [PMC complimentary commodity] [PubMed] [Google Scholar]
[87] Matsui K, Kita Y, Ueshima H. Informed consent, participation in, and withdrawal from a population based cohort report the American Medical Association. J Med Ethics. 2005;31:385–392. [PMC free commodity] [PubMed] [Google Scholar]
[88] Lynoe Due north, Sandlund M, Dahlqvist Grand, Jacobsson Fifty. Informed consent: Written report of quality of data given to participants in a clinical trial. BMJ. 1991;303:610–613. [PMC complimentary article] [PubMed] [Google Scholar]
[89] Bonevski B, Randell Yard, Paul C, Chapman M, Twyman L, Bryan J, Brozek I, Hughes C. Reaching the difficult-to-attain: A systematic review of strategies for improving health and medical inquiry with socially disadvantaged groups. BMC Med Res Methodol. 2014:xiv–42. [PMC free article] [PubMed] [Google Scholar]
[91] Tanner A, Kim SH, Friedman DB, Foster C, Bergeron CD. Barriers to medical research participation as perceived by clinical trial investigators: Communicating with rural and african american communities. J Health Commun. 2015;5:88–96. [PubMed] [Google Scholar]
[92] U.S. Section of Education IoES. National assessment of adult literacy, 2003 [Google Scholar]
[93] Paul J Hauptman, Richard J Bookman, Heinig Southward. Advancing the research mission in a time of mergers and acquisitions. Periodical of the American Medical Association. 2017;7:1321–1322. [PubMed] [Google Scholar]
[94] Tishler CL, Bartholomae S. The recruitment of normal healthy volunteers: A review of the literature on the use of financial incentives. J Clin Pharmacol. 2002;ii:365–375. [PubMed] [Google Scholar]
[95] 95 Young SD. Social media technologies for hiv prevention study retentiveness among minority men who have sex with men (msm). AIDS Behav. 2014;four:1625–1629. [PMC complimentary article] [PubMed] [Google Scholar]
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