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Gerber DE, Rasco DW, Skinner CS, Dowell JE, Yan J, Sayne JR, Xie Y. Consent timing and experience: modifiable factors that may influence interest in clinical research. J Oncol Pract 2011; 8:91-6. [PMID: 23077435 DOI: 10.1200/jop.2011.000335] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/06/2011] [Indexed: 11/20/2022] Open
Abstract
PURPOSE Low rates of participation in cancer clinical trials have been attributed to patient, institutional, and study characteristics. However, few studies have examined factors related to the consent process. We therefore evaluated the impact of consent timing and experience on markers of patient interest in research. METHODS We performed a retrospective analysis of patients enrolled in a cancer center tissue repository. During enrollment, patients were asked if they were willing to be contacted in the future to provide medical follow-up information and/or to participate in other clinical research. We analyzed the association between patient responses to these questions and consent process factors using univariate analysis and multivariate logistic regression. RESULTS Of 922 patients evaluated, 85% agreed to be contacted to provide follow-up information, and 83% agreed to be contacted to participate in future research studies. In univariate analysis, willingness to be contacted for future research was associated with consenter experience (P = .01) and had a trend toward association with the timing of enrollment in relation to diagnosis (P = .08), but it was not associated with patient sex, race, or diagnosis. In multivariate analysis, responses remained associated with consenter experience (P = .02). CONCLUSION Factors related to the consent process, including consenter experience and timing of study enrollment, are significantly associated with or have a trend toward association with markers of patient interest in clinical research. These understudied and potentially modifiable variables warrant further evaluation.
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Affiliation(s)
- David E Gerber
- University of Texas Southwestern Medical Center, Dallas, TX
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202
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Quinn GP, Pratt CL, Bryant-George K, Caraway VD, Roldan T, Shaffer A, Shimizu CO, Vaughn EJ, Williams C, Bepler G. Lung cancer patients' decisions about clinical trials and the theory of planned behavior. JOURNAL OF CANCER EDUCATION : THE OFFICIAL JOURNAL OF THE AMERICAN ASSOCIATION FOR CANCER EDUCATION 2011; 26:641-8. [PMID: 20949381 PMCID: PMC4504015 DOI: 10.1007/s13187-010-0169-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The theory of planned behavior explores the relationship between behavior, beliefs, attitudes, and intentions presupposing that behavioral intention is influenced by a person's attitude about the behavior and beliefs about whether individuals, who are important to them, approve or disapprove of the behavior (subjective norm). An added dimension to the theory is the idea of perceived behavioral control, or the belief that one has control over performing the behavior. The theory of planned behavior suggests that people may make greater efforts to perform a behavior if they feel they have a high level of control over it. In this examination of data, we explored the application of the theory of planned behavior to patient's decisions about participating in a clinic trial. Twelve respondents in this study had previously participated in a clinical trial for lung cancer and nine respondents had declined a clinical trial for lung cancer. The data were analyzed with regard to the four constructs associated with the theory of planned behavior: behavioral intention, attitude, subjective norm, and perceived behavioral control. Results indicate that the theory of planned behavior may be a useful tool to examine psychosocial needs in relation to behavioral intention of clinical trial participation.
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Affiliation(s)
- Gwendolyn P. Quinn
- Moffitt Cancer Center, University of South Florida, 12902 Magnolia Drive, MRC-CANCONT, Tampa, FL 33612, USA
| | - Christie L. Pratt
- Moffitt Cancer Center, 12902 Magnolia Drive, MRC-4W, Tampa, FL 33612, USA
| | | | - Vicki D. Caraway
- Moffitt Cancer Center, University of South Florida, 12902 Magnolia Drive, FOB1, Tampa, FL 33612, USA
| | - Tere Roldan
- Moffitt Cancer Center, 12902 Magnolia Drive, MOD D, Tampa, FL 33612, USA
| | - Andrea Shaffer
- Moffitt Cancer Center, 12902 Magnolia Drive, MCC 3rd Floor Clinic, Tampa, FL 33612, USA
| | - Cynthia O. Shimizu
- Moffitt Cancer Center, 12902 Magnolia Drive, MCC-CHAP, Tampa, FL 33612, USA
| | | | - Charles Williams
- Moffitt Cancer Center, University of South Florida, 12902 Magnolia Drive, FOB1, Tampa, FL 33612, USA
| | - Gerold Bepler
- Karmanos Cancer Center, University of South Florida, Detroit, MI, USA
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203
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Biedrzycki BA. Research information knowledge, perceived adequacy, and understanding in cancer clinical trial participants. Oncol Nurs Forum 2011; 38:E291-6. [PMID: 21708524 DOI: 10.1188/11.onf.e291-e296] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE/OBJECTIVES To describe the adequacy of research information among people with cancer at the time they accept or decline participation in a cancer clinical trial. DESIGN Cross-sectional, descriptive. SETTING An urban, academic, National Cancer Institute-designated comprehensive cancer center. SAMPLE 197 patients with advanced gastrointestinal cancer. METHODS Mailed survey; self-reported data. MAIN RESEARCH VARIABLES Adequacy of research information (actual knowledge, perceived adequacy of information, and perceived understanding), cancer clinical trial participation, and satisfaction with the decision to participate. FINDINGS Most respondents (88%) perceived themselves as having adequate information to make an informed decision regarding cancer clinical trial participation. In addition, 35% demonstrated adequate knowledge of basic clinical research. CONCLUSIONS Patients decide to accept or decline cancer clinical trials without having adequate knowledge. IMPLICATIONS FOR NURSING Nurses have an important role in educating patients regarding cancer clinical trials. The ideal teachable moment may not occur at the time of diagnosis; other less stressful opportunities may present when the patient is more receptive.
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Affiliation(s)
- Barbara A Biedrzycki
- Skip Viragh Center for Pancreas Cancer Clinical Research and Patient Care, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins, Baltimore, MD, USA.
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204
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Moffitt K, Brogan F, Brown C, Kasper M, Rosenblatt J, Smallridge R, Sullivan D, Kromrey J. Statewide cancer clinical trial navigation service. J Oncol Pract 2011; 6:127-32. [PMID: 20808555 DOI: 10.1200/jop.200006] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/23/2009] [Indexed: 11/20/2022] Open
Abstract
PURPOSE Realizing that education and awareness are paramount in making clinical trials available to improve overall accrual rates, we sought to create a clinical trial navigation service to improve the accessibility of cancer clinical trials in Florida for physicians and patients. This study was undertaken to evaluate this service. We hoped to identify characteristics of our service that were effective in promoting clinical trial enrollment and to better understand barriers that prevented enrollment. METHODS Qualitative and quantitative data were gathered to inform the evaluation. This information was drawn from semistructured interview and focus groups as well as data from 6,350 patient questionnaires capturing diagnosis, stage, and treatment history. Quantitative data were analyzed by computing indices of central tendency and dispersion as well as frequency distributions. Qualitative data were analyzed using open coding to identify major themes representing the information. RESULTS Our navigation system increased patient awareness of trials; however, this did not lead to an increase in trial enrollment. A key barrier to enrollment was the timing of the patient's awareness of a clinical trial opportunity. Often trial options were realized after a treatment course was initiated. This frequently disqualified the patient from trial consideration. We identified factors underlying the critical role of how physician attitudes toward trials affect enrollment. We also found that government databases were incomplete. Twenty-five percent of clinical trials open in Florida were not listed with Physician Data Query or clinicaltrials.gov, and 15% to 22% were erroneously listed as having sites in Florida. Media efforts to increase patient awareness and use of the navigation service were transient. One-time educational programs did not have a long-term impact on clinical trial inquiries. Patients who spoke with clinical trial navigators were four times more likely to contact a matched trial site. Sharing a common database platform with various organizations increased the likelihood of patients finding trials near home. More than 82% of patients seeking information started their search on other Web sites. CONCLUSION Although we were able to overcome the barriers most commonly cited by patients, we found that taking a strictly patient-focused approach was not enough. Our results underline the critical role of health professionals in guiding patients to clinical trials, by including these options at a time when patients are likely to be eligible.
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Affiliation(s)
- Karen Moffitt
- University of South Florida; Moffitt Cancer Center and Research Institute; Florida Dialogue on Cancer, Tampa; M. D. Anderson Cancer Center Orlando, Orlando; Lynn Cancer Center, Boca Raton Community Hospital, Boca Raton; Sylvester Comprehensive Cancer Center, University of Miami, Miami; and Mayo Clinic in Florida, Jacksonville, FL
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Abstract
Enrollment of patients in a clinical trial is difficult as a result of a host of well-documented barriers. In the field of oncology, molecularly targeted treatments have demonstrated considerable therapeutic promise. At the same time, clinical testing of these targeted agents has introduced new complexities in the decision-making process by patients or providers on whether to participate in clinical trials. Explored in this Commentary are challenges of and potential solutions for the clinical testing of modern cancer therapies.
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Affiliation(s)
- Richard L Schilsky
- Section of Hematology-Oncology and Comprehensive Cancer Center, University of Chicago, Chicago, IL 60637, USA.
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206
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Comis RL, Miller JD, Colaizzi DD, Kimmel LG. Physician-related factors involved in patient decisions to enroll onto cancer clinical trials. J Oncol Pract 2011; 5:50-6. [PMID: 20856718 DOI: 10.1200/jop.0922001] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
The development of new cancer therapies requires additional, and more complex, clinical trials. But only approximately 3% to 5% of adult cancer patients participate in cancer clinical trials. This study seeks to identify and understand the attitudes of the public and cancer survivors toward health-related decisions and cancer clinical trials to identify the key factors that must be addressed to increase that percentage.
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Affiliation(s)
- Robert L Comis
- Coalition of Cancer Cooperative Groups, Philadelphia, PA; and Michigan State University, East Lansing, MI
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207
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Atkinson NL, Massett HA, Mylks C, McCormack LA, Kish-Doto J, Hesse BW, Wang MQ. Assessing the impact of user-centered research on a clinical trial eHealth tool via counterbalanced research design. J Am Med Inform Assoc 2011; 18:24-31. [PMID: 21169619 DOI: 10.1136/jamia.2010.006122] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
OBJECTIVE Informatics applications have the potential to improve participation in clinical trials, but their design must be based on user-centered research. This research used a fully counterbalanced experimental design to investigate the effect of changes made to the original version of a website, http://BreastCancerTrials.org/, and confirm that the revised version addressed and reinforced patients' needs and expectations. DESIGN Participants included women who had received a breast cancer diagnosis within the last 5 years (N=77). They were randomized into two groups: one group used and reviewed the original version first followed by the redesigned version, and the other group used and reviewed them in reverse order. MEASUREMENTS The study used both quantitative and qualitative measures. During use, participants' click paths and general reactions were observed. After use, participants were asked to answer survey items and open-ended questions to indicate their reactions and which version they preferred and met their needs and expectations better. RESULTS Overall, the revised version of the site was preferred and perceived to be clearer, easier to navigate, more trustworthy and credible, and more private and safe overall. However, users who viewed the original version last had similar attitudes toward both versions. CONCLUSION By applying research findings to the redesign of a website for clinical trial searching, it was possible to re-engineer the interface to better support patients' decisions to participate in clinical trials. The mechanisms of action in this case appeared to revolve around creating an environment that supported a sense of personal control and decisional autonomy.
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Affiliation(s)
- Nancy L Atkinson
- Department of Public and Community Health, University of Maryland, College Park, Maryland 20742, USA.
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208
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Ryan G, Berrebi C, Beckett M, Taylor S, Quiter E, Cho M, Pincus H, Kahn K. Reengineering the clinical research enterprise to involve more community clinicians. Implement Sci 2011; 6:36. [PMID: 21463518 PMCID: PMC3082234 DOI: 10.1186/1748-5908-6-36] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2008] [Accepted: 04/04/2011] [Indexed: 11/18/2022] Open
Abstract
Background The National Institutes of Health has called for expansion of practice-based research to improve the clinical research enterprise. Methods This paper presents a model for the reorganization of clinical research to foster long-term participation by community clinicians. Based on the literature and interviews with clinicians and other stakeholders, we posited a model, conducted further interviews to test the viability of the model, and further adapted it. Results We propose a three-dimensional system of checks and balances to support community clinicians using research support organizations, community outreach, a web-based registry of clinicians and studies, web-based training services, quality audits, and a feedback mechanism for clinicians engaged in research. Conclusions The proposed model is designed to offer a systemic mechanism to address current barriers that prevent clinicians from participation in research. Transparent mechanisms to guarantee the safety of patients and the integrity of the research enterprise paired with efficiencies and economies of scale are maintained by centralizing some of the functions. Assigning other responsibilities to more local levels assures flexibility with respect to the size of the clinician networks and the changing needs of researchers.
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209
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Cuggia M, Besana P, Glasspool D. Comparing semi-automatic systems for recruitment of patients to clinical trials. Int J Med Inform 2011; 80:371-88. [PMID: 21459664 DOI: 10.1016/j.ijmedinf.2011.02.003] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2010] [Revised: 01/19/2011] [Accepted: 02/16/2011] [Indexed: 10/18/2022]
Abstract
OBJECTIVES (i) To review contributions and limitations of decision support systems for automatic recruitment of patients to clinical trials (Clinical Trial Recruitment Support Systems, CTRSS). (ii) To characterize the important features of this domain, the main classes of approach that have been used, and their advantages and disadvantages. (iii) To assess the effectiveness and potential of such systems in improving trial recruitment rates. DATA SOURCES A systematic MESH keyword-based search of Pubmed, Embase, and Scholar Google for relevant CTRSS publications from January 1st 1998 to August 31st 2009 yielded 73 references, from which 33 relevant papers describing 28 distinct studies were chosen for review, based on their report of a novel decision support system for trial recruitment which reused already available patient data. METHOD The reviewed papers were classified using a modified version of an existing taxonomy for clinical decision support systems, using 10 axes relevant to the trial recruitment domain. RESULTS It proved possible and useful to characterize CTRSS on a relatively small number of dimensions and a number of clear trends emerge from the study. Only nine papers reported a useful evaluation of the effectiveness of the system in terms of trial pre-inclusion or enrolment rate. While all the systems reviewed re-use structured and coded patient data none attempts the more difficult task of using unstructured patient notes to pre-screen for trial inclusion. Few studies address acceptance of systems by clinicians, or integration into clinical workflow, and there is little evidence of use of interoperability standards. CONCLUSIONS System design, scope, and assessment methodology vary significantly between papers, making it difficult to establish the impact of different approaches on recruitment rate. It is clear, however, that the pre-screening phase of trial recruitment is the most effective part of the process to address with CTRSS, that clinical workflow integration and clinician acceptance are critical for this class of decision support, and that the current trends in this field are towards generalization and scalability.
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Affiliation(s)
- Marc Cuggia
- Unité Inserm U, IFR, Faculté de Médecine, University of Rennes, France.
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210
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Wang LH, Tsai YF, Chen JS, Tsay PK. Intention, Needs, and Expectations of Cancer Patients Participating in Clinical Trials. Cancer Nurs 2011; 34:117-23. [DOI: 10.1097/ncc.0b013e3181efe1c0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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211
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212
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Miller JD, Kotowski MR, Comis RL, Smith SW, Silk KJ, Colaizzi DD, Kimmel LG. Measuring cancer clinical trial understanding. HEALTH COMMUNICATION 2011; 26:82-93. [PMID: 21218302 DOI: 10.1080/10410236.2011.527624] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Researchers, practitioners, and participants in cancer clinical trials must have a clear understanding of clinical trials if participation in them is to be solicited ethically and effectively. A valid and reliable measure of cancer clinical trial understanding did not exist prior to a 2005 study conducted for the Coalition of Cooperative Cancer Groups. This report outlines a measure derived from that study, discusses the rationale for its component items, examines its psychometric properties, and demonstrates the relationship of this measure to the enrollment decision. Data from national samples of cancer survivors and the general public demonstrate the measure's validity and reliability. Results are discussed as they relate to patient understanding of clinical trials, informed decision making, and health communication processes.
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Affiliation(s)
- Jon D Miller
- Institute for Social Research, University of Michigan, Ann Arbor, MI 48823, USA.
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213
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Krieger JL, Parrott RL, Nussbaum JF. Metaphor use and health literacy: a pilot study of strategies to explain randomization in cancer clinical trials. JOURNAL OF HEALTH COMMUNICATION 2011; 16:3-16. [PMID: 21128152 DOI: 10.1080/10810730.2010.529494] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Patients often have difficulty understanding what randomization is and why it is needed in Phase III clinical trials. Physicians commonly report using metaphorical language to convey the role of chance in being assignment to treatment; however, the effectiveness of this strategy as an educational tool has not been explored. Guided by W. McGuire's (1972) information-processing model, the purpose of this pilot study was to explore effects of metaphors to explain randomization on message acceptance and behavioral intention to participate in a Phase III clinical trial among a sample of low-income, rural women (N = 64). Participants were randomly assigned to watch a video that explained randomization using 1 of 3 message strategies: a low-literacy definition, standard metaphor (i.e., flip of a coin), or a culturally derived metaphor (i.e., sex of a baby). The influence of attention on behavioral intentions to participate in clinical trials was partially moderated by message strategy. Under conditions of low attention, participants in the culturally derived metaphor condition experienced significantly higher intentions to participate in clinical trials compared with participants in the standard metaphor condition. However, as attention increased, differences in intentions among the conditions diminished. Having a positive affective response to the randomization message was a strong, positive predictor of behavioral intentions to participate in clinical trials. The authors discuss the theoretical and practical implications of these findings.
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Affiliation(s)
- Janice L Krieger
- School of Communication, Ohio State University, Columbus, Ohio, USA.
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214
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Dechartres A, Chevret S, Lambert J, Calvo F, Lévy V. Inclusion of patients with acute leukemia in clinical trials: a prospective multicenter survey of 1066 cases. Ann Oncol 2011; 22:224-233. [DOI: 10.1093/annonc/mdq336] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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215
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Godlew BJ, Furlong P. Transparency as a Means to Increase Clinical Trial Enrollment. ACTA ACUST UNITED AC 2010. [DOI: 10.1177/009286151004400308] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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216
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Wallwiener M, Wallwiener CW, Brucker SY, Hartkopf AD, Fehm TN, Kansy JK. The Brustkrebs-Studien.de website for breast cancer patients: User acceptance of a German internet portal offering information on the disease and treatment options, and a clinical trials matching service. BMC Cancer 2010; 10:663. [PMID: 21126358 PMCID: PMC3016291 DOI: 10.1186/1471-2407-10-663] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2010] [Accepted: 12/02/2010] [Indexed: 11/29/2022] Open
Abstract
Background The internet portal http://www.brustkrebs-studien.de (BKS) was launched in 2000 by the German Society of Senology (DGS) and the Baden-Württemberg Institute for Women's Health (IFG) to provide expert-written information on breast cancer online and to encourage and facilitate the participation of breast cancer patients in clinical trials. We describe the development of BKS and its applications, and report on website statistics and user acceptance. Methods Existing registries, including ClinicalTrials.gov, were analysed before we designed BKS, which combines a trial registry, a knowledge portal, and an online second opinion service. An advisory board guided the process. Log files and patient enquiries for trial participation and second opinions were analysed. A two-week user satisfaction survey was conducted online. Results During 10/2005-06/2010, the portal attracted 702,655 visitors, generating 15,507,454 page views. By 06/2010, the website's active scientific community consisted of 189 investigators and physicians, and the registry covered 163 clinical trial protocols. In 2009, 143 patients requested trial enrolment and 119 sought second opinions or individual treatment advice from the expert panel. During the two-week survey in 2008, 5,702 BKS visitors submitted 507 evaluable questionnaires. Portal acceptance was high. Respondents trusted information correctness (80%), welcomed self-matching to clinical trials (79%) and planned to use the portal in the future (76%) and recommend it to others (81%). Conclusions BKS is an established and trusted breast cancer information platform offering up-to-date resources and protocols to the growing physician and patient community to encourage participation in clinical trials. Further studies are needed to assess potential increases in trial enrolment by eligibility matching services.
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Affiliation(s)
- Markus Wallwiener
- The Heidelberg Breast Centre, Department of Obstetrics and Gynaecology, Heidelberg University Hospital, Voßstr. 9, D-69115 Heidelberg, Germany.
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217
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SABESAN S, BURGHER B, BUETTNER P, PILIOURAS P, OTTY Z, VARMA S, THAKER D. Attitudes, knowledge and barriers to participation in cancer clinical trials among rural and remote patients. Asia Pac J Clin Oncol 2010; 7:27-33. [DOI: 10.1111/j.1743-7563.2010.01342.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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218
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Krasna MJ. Collaboration as a foundation for advancing research in personalized medicine in cancer care. Per Med 2010; 7:669-675. [PMID: 29788564 DOI: 10.2217/pme.10.60] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Transforming healthcare through collaborative relationships is the key to making successful advances in personalized medicine. The strategies for building a framework to bring together expertise and resources in order to realize all the possibilities of personalized medicine are discussed in this article. The key to this endeavor is the ability to identify potential collaboration with academic medical centers, research laboratories, biotechnology companies and community cancer centers. Translation of research from bench to bedside is only paradigm changing if it can then be translated to community care. The value of clinical prospective biospecimen collection with high quality clinical annotation will be explored. Recognizing the opportunities for performing clinical trials, beta-testing of new technology especially in community clinical practice will be emphasized. The goal is to expand the realm of personalized cancer care to allow for integration of molecular marker and individualized therapy to the majority of cancer patients worldwide.
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Affiliation(s)
- Mark J Krasna
- The Cancer Institute, St Joseph Medical Center, NCI Community Cancer Centers Program, Physician Advisor Cancer Care, Catholic Health Initiatives, 7501 Osler Drive, Suite 104, Towson, MD 21204, USA.
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Community health workers' support for cancer clinical trials: description and explanation. J Community Health 2010; 35:417-22. [PMID: 20352478 DOI: 10.1007/s10900-010-9267-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Ethnic differences in participation in cancer clinical trials slow advances in medical knowledge that can reduce health care disparities. Community health workers (CHWs) are an increasingly important bridge between the health care system and underserved communities and could play an important role in increasing rates of clinical trial participation. We investigated community health workers' orientations to medical research and cancer clinical trials with a mixed methods design: two focus groups, 11 intensive interviews, and a structured survey of 76 CHW training workshop participants. CHWs demonstrated high levels of commitment to improving the health of community members but considerable distrust of researchers' motives, low levels of knowledge about cancer clinical trials, and frequent perceptions of bias in the health care system. Support for research is associated with more research experience, self-assessed knowledge, and Hispanic ethnicity, but with less seniority as a CHW. Neither actual knowledge of cancer clinical trials nor perceptions of bias in the health care system were related to degree of support for medical research. Community health workers perceive bias in the health care system but recognize the importance of medical research and are interested in learning more about cancer clinical trials. Research experience increases support for medical research; education increases perceptions of health care system bias.
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220
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Frew PM, Hou SI, Davis M, Chan K, Horton T, Shuster J, Hixson B, del Rio C. The likelihood of participation in clinical trials can be measured: the Clinical Research Involvement Scales. J Clin Epidemiol 2010; 63:1110-7. [PMID: 20303711 PMCID: PMC2892193 DOI: 10.1016/j.jclinepi.2009.12.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2009] [Revised: 11/18/2009] [Accepted: 12/20/2009] [Indexed: 11/16/2022]
Abstract
OBJECTIVE We developed the Clinical Research Involvement Scales (CRIS) to assess the willingness to participate in a clinical trial. STUDY DESIGN AND SETTING Diverse populations (N=919) aged 18 years or older from Atlanta, Georgia, were included in comprehensive testing of the 41-item CRIS instrument. The formative phase focused on item content for the new measures (n=54). Questionnaires from potential vaccine trial participants (n=865), collected at multiple time points, resulted in the evaluation of scale reliability and validity (i.e., attitudes, behavioral and normative beliefs, perceived social support for clinical research participation, social norm compliance, perceptions of the clinical research organization, and perceived relevance of the research endeavor). RESULTS Qualitative testing revealed adequate comprehension and content validity of the initial item set. The subjective norms domain (n=3) initially exhibited poor internal consistency in pilot testing (Cronbach's alpha=0.525); yet, rewording of the items resulted in consistently stable measurement improvement (Cronbach's alpha=0.850). Each of the CRIS subscales demonstrated extremely high reliability, ranging from 0.734 to 0.918. Confirmatory factor analysis verified item-factor relationships and determined construct and convergent validity (root mean square error of approximation=0.068; comparative fit index=0.835). CONCLUSIONS CRIS is a reliable instrument for measuring community attitudes toward participation in biomedical research studies. Results of this study support the use of these scales to recruit diverse populations to clinical trials.
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Affiliation(s)
- Paula M Frew
- Department of Medicine, Division of Infectious Diseases, Emory University School of Medicine, Atlanta, GA 30030, USA.
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Baquet CR, Mishra SI, Weinberg AD. A descriptive analysis of state legislation and policy addressing clinical trials participation. J Health Care Poor Underserved 2010; 20:24-39. [PMID: 19711491 DOI: 10.1353/hpu.0.0156] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVES This report describes state policy and legislation related to clinical trials participation and Maryland's model to enhance clinical trial availability and participation. METHODS Descriptive review of state policy and legislation related to coverage for clinical trials costs based on data from the National Cancer Institute (NCI) State Cancer Legislative Database, the American Cancer Society, and NCI; additionally, discussion of Maryland's comprehensive multilevel clinical trial model comprising policy initiatives, community engagement, research, education, and infrastructure support. RESULTS Twenty-four states have mandated clinical trial coverage through specific legislation or agreements since 1994. Covered benefits varied among the states. CONCLUSIONS Besides cost and insurance barriers, there is a need to address important patient, physician and researcher, and structural barriers to clinical trial participation. Maryland provides a comprehensive model to address the multi-faceted clinical trial participation determinants as it tracks state and federal policy, documents trial barriers, and conducts community education.
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Affiliation(s)
- Claudia R Baquet
- University of Maryland School of Medicine, Baltimore, MD 21201, USA.
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Schroen AT, Petroni GR, Wang H, Gray R, Wang XF, Cronin W, Sargent DJ, Benedetti J, Wickerham DL, Djulbegovic B, Slingluff CL. Preliminary evaluation of factors associated with premature trial closure and feasibility of accrual benchmarks in phase III oncology trials. Clin Trials 2010; 7:312-21. [PMID: 20595245 PMCID: PMC3977321 DOI: 10.1177/1740774510374973] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND A major challenge for randomized phase III oncology trials is the frequent low rates of patient enrollment, resulting in high rates of premature closure due to insufficient accrual. PURPOSE We conducted a pilot study to determine the extent of trial closure due to poor accrual, feasibility of identifying trial factors associated with sufficient accrual, impact of redesign strategies on trial accrual, and accrual benchmarks designating high failure risk in the clinical trials cooperative group (CTCG) setting. METHODS A subset of phase III trials opened by five CTCGs between August 1991 and March 2004 was evaluated. Design elements, experimental agents, redesign strategies, and pretrial accrual assessment supporting accrual predictions were abstracted from CTCG documents. Percent actual/predicted accrual rate averaged per month was calculated. Trials were categorized as having sufficient or insufficient accrual based on reason for trial termination. Analyses included univariate and bivariate summaries to identify potential trial factors associated with accrual sufficiency. RESULTS Among 40 trials from one CTCG, 21 (52.5%) trials closed due to insufficient accrual. In 82 trials from five CTCGs, therapeutic trials accrued sufficiently more often than nontherapeutic trials (59% vs 27%, p = 0.05). Trials including pretrial accrual assessment more often achieved sufficient accrual than those without (67% vs 47%, p = 0.08). Fewer exclusion criteria, shorter consent forms, other CTCG participation, and trial design simplicity were not associated with achieving sufficient accrual. Trials accruing at a rate much lower than predicted (<35% actual/predicted accrual rate) were consistently closed due to insufficient accrual. LIMITATIONS This trial subset under-represents certain experimental modalities. Data sources do not allow accounting for all factors potentially related to accrual success. CONCLUSION Trial closure due to insufficient accrual is common. Certain trial design factors appear associated with attaining sufficient accrual. Defining accrual benchmarks for early trial termination or redesign is feasible, but better accrual prediction methods are critically needed. Future studies should focus on identifying trial factors that allow more accurate accrual predictions and strategies that can salvage open trials experiencing slow accrual.
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Affiliation(s)
- Anneke T Schroen
- Department of Surgery, University of Virginia, Charlottesville, USA.
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223
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Hall MJ, Egleston B, Miller SM, Buzaglo JS, Millard J, Ridgway C, Damjanov N, Sprandio JD, Meropol NJ. Barriers to participation in cancer prevention clinical trials. Acta Oncol 2010; 49:757-66. [PMID: 20515420 DOI: 10.3109/0284186x.2010.485209] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Cancer prevention clinical trials seek to enroll individuals at increased risk for cancer. Little is known about attitudes among physicians and at-risk individuals towards cancer prevention clinical trials. We sought to characterize barriers to prevention trial participation among medical oncologists and first-degree relatives of their patients. METHODS Physician participants were practicing oncologists in Pennsylvania. Eligible first-degree participants were adult relatives of a cancer patient being treated by one of the study physicians. The influence of perceived psychosocial and practical barriers on level of willingness to participate in cancer prevention clinical trials was investigated. RESULTS Response rate was low among physicians, 137/478 (29%), and modest among eligible first-degree relatives, 82/129 (64%). Lack of access to an eligible population for prevention clinical trials was the most commonly cited barrier to prevention clinical trials among oncologists. Nearly half (45%) of first-degree relatives had not heard of cancer prevention clinical trials, but 68% expressed interest in learning more, and 55% expressed willingness to participate. In the proportional odds model, greater information source seeking/responsiveness (i.e., interest in learning more about clinical prevention trials from more information sources) (p = 0.04), and having fewer psychosocial barriers (p = 0.02) were associated with a greater willingness to participate. CONCLUSIONS Many individuals who may be at greater risk for developing cancer because of having a first-degree relative with cancer are unaware of the availability of clinical cancer prevention trials. Nonetheless, many perceive low personal risk associated with these studies, and are interested in learning more.
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Affiliation(s)
- Michael J Hall
- Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA.
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Sargent D. What constitutes reasonable evidence of efficacy and effectiveness to guide oncology treatment decisions? Oncologist 2010; 15 Suppl 1:19-23. [PMID: 20237213 DOI: 10.1634/theoncologist.2010-s1-19] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The need to practice evidence-based medicine is the current prevailing paradigm within the medical community. Evidence to guide practice can and should come from a variety of sources, including clinical trials, observational studies, and meta-analyses of both or either. This paper discusses the relative strengths and weaknesses of data that arise from these various sources. The different types of evidence required to demonstrate "efficacy" versus "effectiveness," a critical and often overlooked distinction, are discussed. In the genomic age, in which targeted therapies with or without specific biomarkers are emerging in cancer care, new approaches are necessary to generate the evidence required for decision making.
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225
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Yang ZJ, McComas K, Gay G, Leonard JP, Dannenberg AJ, Dillon H. Motivation for health information seeking and processing about clinical trial enrollment. HEALTH COMMUNICATION 2010; 25:423-36. [PMID: 20677046 DOI: 10.1080/10410236.2010.483338] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Low patient accrual in clinical trials poses serious concerns for the advancement of medical science in the United States. Past research has identified health communication as a crucial step in overcoming barriers to enrollment. However, few communication scholars have studied this problem from a sociopsychological perspective to understand what motivates people to look for or pay attention to information about clinical trial enrollment. This study applies the model of Risk Information Seeking and Processing (RISP) to this context of health decision making. By recognizing the uncertainties embedded in clinical trials, we view clinical trial enrollment as a case study of risk. With data from a random-digit-dial telephone survey of 500 adults living in the United States, we used structural equation modeling to test the central part of the RISP model. In particular, we examined the role of optimistic feelings, as a type of positive affect, in motivating information seeking and processing. Our results indicated that rather than exerting an indirect influence on information seeking through motivating a psychological need for more information, optimistic feelings have more direct relationships with information seeking and processing. Similarly, informational subjective norms also exhibit a more direct relationship with information seeking and processing. These results suggest merit in applying the RISP model to study health decision making related to clinical trial enrollment. Our findings also render practical implications on how to improve communication about clinical trial enrollment.
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Affiliation(s)
- Z Janet Yang
- Department of Communication, University at Buffalo, State University of New York, College of Arts & Sciences, Buffalo, NY 14260, USA.
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226
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Abstract
This study explores factors and attitudes that affect willingness to participate in health research in an ambulatory population of 175 individuals. Respondents reported on their sociodemographic characteristics and rated statements on a questionnaire regarding their likelihood to participate in and attitudes toward health research. Multivariate ordinal regression analysis revealed that having more positive and less negative attitudes toward health research, access to the Internet, previous participation experience, higher education, and being Canadian-born contribute to a greater willingness to participate in health research. Understanding factors that influence research participation can help identify and direct efforts to improve research volunteer recruitment.
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227
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Wujcik D, Wolff SN. Recruitment of African Americans to National Oncology Clinical Trials through a clinical trial shared resource. J Health Care Poor Underserved 2010; 21:38-50. [PMID: 20173284 DOI: 10.1353/hpu.0.0251] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
In 2000, using National Institutes of Health/National Cancer Institute (NIH/NCI) U54 funds, a clinical trials shared resource was established at Nashville General Hospital at Meharry to attract more African Americans to national cancer clinical trials. This Report from the Field describes the model used to achieve this end.
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Affiliation(s)
- Debra Wujcik
- Meharry Medical College, Nashville, TN 37208, USA
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228
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Janet Yang Z, McComas K, Gay G, Leonard JP, Dannenberg AJ, Dillon H. From information processing to behavioral intentions: exploring cancer patients' motivations for clinical trial enrollment. PATIENT EDUCATION AND COUNSELING 2010; 79:231-238. [PMID: 19748204 DOI: 10.1016/j.pec.2009.08.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2009] [Revised: 07/29/2009] [Accepted: 08/12/2009] [Indexed: 05/28/2023]
Abstract
OBJECTIVE To investigate cancer patients' motivations for clinical trial enrollment, this study tests the proposition that a model of Risk Information Seeking and Processing (RISP) could serve as an antecedent to the Theory of Planned Behavior (TPB). METHODS With data from a telephone survey, we examined whether components of the RISP model had significant impact on belief-based attitudes and behavioral intentions. RESULTS Risk judgment and affective responses, especially optimistic feelings, consistently related to attitudes and behavioral intentions. Trust in doctors also significantly related to our respondents' positive attitudes toward clinical trials. CONCLUSION The RISP model might have more constrained applicability as compared to the TPB in explaining cancer patients' motivations for clinical trial enrollment. However, certain components of the RISP model seemed to contribute to our respondents' attitude formation as interesting additions to the TPB. PRACTICE IMPLICATIONS Communication about clinical trials is a balance act between providing sufficient information about the potential risks and benefits involved in a clinical trial and managing emotional responses that cancer patients associate with participation. Both acts contribute to the formation of positive attitudes toward clinical trials among cancer patients, which is the driving force behind their intentions for clinical trial enrollment.
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Affiliation(s)
- Z Janet Yang
- Department of Communication, State University of New York at Buffalo, NY 14260, USA.
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229
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Patrones de participación de pacientes en ensayos clínicos en cáncer. Med Clin (Barc) 2010; 134:591-5. [DOI: 10.1016/j.medcli.2009.01.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2008] [Accepted: 01/05/2009] [Indexed: 11/24/2022]
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230
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Herrera AP, Snipes SA, King DW, Torres-Vigil I, Goldberg DS, Weinberg AD. Disparate inclusion of older adults in clinical trials: priorities and opportunities for policy and practice change. Am J Public Health 2010; 100 Suppl 1:S105-12. [PMID: 20147682 PMCID: PMC2837461 DOI: 10.2105/ajph.2009.162982] [Citation(s) in RCA: 207] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/24/2009] [Indexed: 11/04/2022]
Abstract
Older adults are vastly underrepresented in clinical trials in spite of shouldering a disproportionate burden of disease and consumption of prescription drugs and therapies, restricting treatments' generalizability, efficacy, and safety. Eliminating Disparities in Clinical Trials, a national initiative comprising a stakeholder network of researchers, community advocates, policymakers, and federal representatives, undertook a critical analysis of older adults' structural barriers to clinical trial participation. We present practice and policy change recommendations emerging from this process and their rationale, which spanned multiple themes: (1) decision making with cognitively impaired patients; (2) pharmacokinetic differences and physiological age; (3) health literacy, communication, and aging; (4) geriatric training; (5) federal monitoring and accountability; (6) clinical trial costs; and (7) cumulative effects of aging and ethnicity.
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231
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Dugas M, Lange M, Müller-Tidow C, Kirchhof P, Prokosch HU. Routine data from hospital information systems can support patient recruitment for clinical studies. Clin Trials 2010; 7:183-9. [PMID: 20338903 DOI: 10.1177/1740774510363013] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Delayed patient recruitment is a common problem in clinical studies. Hospital information systems (HIS) contain data items relevant for inclusion or exclusion criteria of these studies. PURPOSE We developed and assessed a system to support patient recruitment using HIS data. METHODS We developed a workflow integrated in our HIS to notify study physicians about potential trial subjects. Automatic HIS database queries based on inclusion and exclusion criteria for each clinical study are performed regularly and generate e-mail notifications via a communication server. Study physicians can verify eligibility with a specific HIS study module. The system performance was assessed with a survey addressing utility, usability, stability, change in recruitment rate, and estimated time savings. RESULTS During 10 months of operation, 1328 notifications were generated and 329 enrollments (25%) were documented for seven studies. Precision of alerts depends on availability of appropriate HIS items. Utility and usability were assessed as good, and stability as excellent. Users reported an increased patient recruitment rate for three studies. Three studies reported an estimated time saving of 10 min per recruited patient. The main perceived benefit was systematic identification of potentially eligible patients without time-consuming patient screening procedures in the different parts of the hospital. LIMITATIONS Notifications about potentially eligible patients depend on HIS data quality regarding inclusion/exclusion criteria, in particular, completeness, timeliness, and validity. CONCLUSIONS Routine HIS data can support patient recruitment for clinical studies by means of an automated notification workflow and efficient access to clinical data.
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Affiliation(s)
- Martin Dugas
- Department of Medical Informatics and Biomathematics, University of Münster, Münster, Germany.
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232
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Trimble EL, Denicoff AM, Abrams JS. Strengthening accrual to cancer clinical trials. Gynecol Oncol 2010; 116:291-2. [PMID: 20152512 DOI: 10.1016/j.ygyno.2010.01.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2010] [Accepted: 01/08/2010] [Indexed: 11/16/2022]
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233
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McComas KA, Yang Z, Gay GK, Leonard JP, Dannenberg AJ, Dillon H. Individuals' willingness to talk to their doctors about clinical trial enrollment. JOURNAL OF HEALTH COMMUNICATION 2010; 15:189-204. [PMID: 20390986 DOI: 10.1080/10810730903528058] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
This study investigates whether perceived fairness of doctor-patient interactions relates to individuals' willingness to communicate with their doctors about clinical trial enrollment. It also explores how willingness to talk, the perceived fairness of interactions, and trust in doctors relate to intentions to participate in a future clinical trial. Results from a random digit dial (RDD) telephone survey of U.S. adults (N = 500) measured respondents' willingness to talk to their doctors about clinical trials and intentions to participate in future trials. Perceived fairness of interactions and trust in doctors were associated with willingness to talk about clinical trials. A negative relationship emerged between perceived fairness of interactions and intentions to participate when willingness to talk was introduced into the equation. This relationship suggested that when respondents were more willing to talk to their doctors and perceived these discussions as fair, they were also less likely to express intentions to enroll in future trials. In turn, perceiving these interactions as less fair was related to greater intention to enroll. Fairness of interactions and trust in doctors were less relevant to respondents who were less willing to talk to their doctors; however, these respondents also were more likely to express intentions to enroll in future clinical trials.
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Affiliation(s)
- Katherine A McComas
- Department of Communication, Cornell University, 313 Kennedy Hall, Ithaca, NY 14853, USA.
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234
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Kuroki L, Stuckey A, Hirway P, Raker CA, Bandera CA, DiSilvestro PA, Granai CO, Legare RD, Sakr BJ, Dizon DS. Addressing clinical trials: can the multidisciplinary Tumor Board improve participation? A study from an academic women's cancer program. Gynecol Oncol 2009; 116:295-300. [PMID: 20042225 DOI: 10.1016/j.ygyno.2009.12.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2009] [Revised: 11/20/2009] [Accepted: 12/02/2009] [Indexed: 01/29/2023]
Abstract
OBJECTIVE The Tumor Board (TB) allows for an interdisciplinary approach to cancer treatment designed to encourage evidence-based treatment. However, its role in facilitating clinical trial participation has not been reported. We aimed to determine whether a prospective TB is an effective strategy for trial recruitment and to identify steps within the TB process that facilitate discussion of trial eligibility and optimize accrual. METHODS We conducted a retrospective cross-sectional analysis of women presented to Gynecologic Oncology TB between March and December 2008. Patient demographics, TB recommendations, and post-TB patient discussions were abstracted. These were compared to data derived from the Department of Oncology Research to determine research team awareness of eligible patients and confirm trial enrollment(s). Data analysis was completed with Chi-square test; risk ratios and confidence intervals were calculated as summary measures. RESULTS We reviewed 1213 case presentations involving 916 women. Overall, 358 TB recommendations (30%) identified eligible patients, of which enrollment consisted of 87 (24%) trials (6% therapeutic trials and 18% non-therapeutic trials). Compared to other types of TB recommendations, those involving trials were discussed less frequently at post-TB patient visits (79% vs. 44%). Documentation of trial discussion at the post-TB visit was more likely to result in trial participation, versus solely relying on the research staff to communicate enrollment eligibility with the treating team (RR 2.5, p=0.006). CONCLUSIONS Patients identified by the TB were 2.5-times as likely to enroll in a clinical trial, but trials were mentioned only 44% of the time. Interventions that facilitate trial discussions during post-TB meetings are needed to improve trial participation.
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Affiliation(s)
- Lindsay Kuroki
- Warren Alpert Medical School of Brown University, Providence, RI, USA
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Sullivan KM, Muraro P, Tyndall A. Hematopoietic cell transplantation for autoimmune disease: updates from Europe and the United States. Biol Blood Marrow Transplant 2009; 16:S48-56. [PMID: 19895895 DOI: 10.1016/j.bbmt.2009.10.034] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Considerable advances have been made in our understanding of the immunobiology of autoimmune disease and its treatment with hematopoietic cell transplantation (HCT). In autoimmune disorders, the reconstituted immune system following lymphoablation and autologous HCT yields qualitative changes in immune defects and modifications in adaptive immune responses. Seminal experiments in animals demonstrated that allogeneic or autologous HCT could prevent progression or reverse organ damage from inherited (genetic) or acquired (antigen induced) autoimmune diseases. Convincing animal and clinical data now show that after HCT, the immune system is normalized and "reset". Following autologous transplantation, this resetting occurs via repertoire replacement. It is currently being studied whether and to what extent suppression of inflammation after HCT is due to reregulation of function or due to the eradication of disease associated T and/or B cell populations. There are now a number of published clinical reports with sufficient follow-up for determinations of safety and efficacy of HCT for autoimmune diseases. On behalf of colleagues in the European League Against Rheumatism (EULAR) and the European Group for Blood and Marrow Transplantation (EBMT), we review the experience with more than 1000 transplants for autoimmune disease in Europe along with the three major multinational randomized trials in for systemic sclerosis (SSc, the ASTIS study), multiple sclerosis (MS, the ASTIMS study), and Crohn's disease (CD, the ASTIC study). Completed phase II studies in the USA of transplantation for severe SSc, SLE and MS yield promising results. For individuals with SSc, there is dramatic improvement/resolution of dermal fibrosis and stabilization/improvement of pulmonary dysfunction reported up to 8 years after lymphoablative conditioning and autologous HCT. Currently, randomized phase III studies are recruiting subjects in the USA with SSc, MS and CD. In addition, 9 other phase I and II trials in the USA are recruiting patients with autoimmune diseases for nonmyeloablative transplants from allogeneic stem cell donors. Research opportunities abound, but recruitment challenges restrict study entry due to organ impairment from advanced autoimmune disease or insurance denial of coverage for HCT. However, within several NIH sponsored trials there are ongoing immunologic, genomic and mechanistic studies to further understand the molecular mechanisms of autoimmunity, immune regulation and response to treatment. These clinical trials will provide basic scientists with insight into immunoregulatory pathways and clinicians with a context to weigh the progress and evidence in this evolving treatment for autoimmune diseases.
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Affiliation(s)
- Keith M Sullivan
- Division of Cellular Therapy, Duke University Medical Center, Durham, North Carolina 27708, USA.
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237
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Djulbegovic B. The paradox of equipoise: the principle that drives and limits therapeutic discoveries in clinical research. Cancer Control 2009; 16:342-7. [PMID: 19910921 PMCID: PMC2782889 DOI: 10.1177/107327480901600409] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Progress in clinical medicine relies on the willingness of patients to take part in experimental clinical trials, particularly randomized controlled trials (RCTs). Before agreeing to enroll in clinical trials, patients require guarantees that they will not knowingly be harmed and will have the best possible chances of receiving the most favorable treatments. This guarantee is provided by the acknowledgment of uncertainty (equipoise), which removes ethical dilemmas and makes it easier for patients to enroll in clinical trials. METHODS Since the design of clinical trials is mostly affected by clinical equipoise, the "clinical equipoise hypothesis" has been postulated. If the uncertainty requirement holds, this means that investigators cannot predict what they are going to discover in any individual trial that they undertake. In some instances, new treatments will be superior to standard treatments, while in others, standard treatments will be superior to experimental treatments, and in still others, no difference will be detected between new and standard treatments. It is hypothesized that there must be a relationship between the overall pattern of treatment successes and the uncertainties that RCTs are designed to address. RESULTS An analysis of published trials shows that the results cannot be predicted at the level of individual trials. However, the results also indicate that the overall pattern of discovery of treatment success across a series of trials is predictable and is consistent with clinical equipoise hypothesis. The analysis shows that we can discover no more than 25% to 50% of successful treatments when they are tested in RCTs. The analysis also indicates that this discovery rate is optimal in helping to preserve the clinical trial system; a high discovery rate (eg, a 90% to 100% probability of success) is neither feasible nor desirable since under these circumstances, neither the patient nor the researcher has an interest in randomization. This in turn would halt the RCT system as we know it. CONCLUSIONS The "principle or law of clinical discovery" described herein predicts the efficiency of the current system of RCTs at generating discoveries of new treatments. The principle is derived from the requirement for uncertainty or equipoise as a precondition for RCTs, the precept that paradoxically drives discoveries of new treatments while limiting the proportion and rate of new therapeutic discoveries.
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Affiliation(s)
- Benjamin Djulbegovic
- Center for Evidence-Based Medicine and Health Outcomes Research and the Clinical Translational Science Institute, the University of South Florida, Tampa, Florida 33612, USA.
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238
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Nechuta S, Mudd LM, Biery L, Elliott MR, Lepkowski JM, Paneth N. Attitudes of pregnant women towards participation in perinatal epidemiological research. Paediatr Perinat Epidemiol 2009; 23:424-30. [PMID: 19689493 DOI: 10.1111/j.1365-3016.2009.01058.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
We assessed attitudes of a multi-ethnic sample of pregnant women in regard to participation in five data collection procedures planned for use in the National Children's Study. A cross-sectional survey was conducted in nine prenatal clinics in Kent County, Michigan between April and October 2006. Women were approached in clinic waiting rooms at the time of their first prenatal visit and 311 (91.0%) participated. Women were asked about their willingness to participate, and the smallest amount of compensation required for participation in a 45-min in-person interview, a 15-min telephone interview, maternal and infant medical record abstraction, and an infant physical examination. Percentages for willingness to participate were highest for telephone interview (83%), followed by in-person interview (60%), infant examination (57%), and maternal (56%) and infant medical records (54%). About 34-48% of women reported that no compensation would be required for participation by data procedure. Some women reported unwillingness to participate in telephone (9%) or personal (17%) interview, record abstraction (34%) or infant examination (26%), even with compensation. Education greater than high school was associated with increased odds of refusal for infant physical examination, adjusted odds ratio 2.44 [95% confidence interval 1.41, 4.23]. In conclusion, 9-34% of pregnant women, depending on procedure, stated they would not participate in non-invasive research procedures such as medical record abstraction and infant examination, even with compensation. Resistance to these research procedures was especially noted among more highly educated women. Planning for the National Children's Study will have to address potential resistance to research among pregnant women.
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Affiliation(s)
- Sarah Nechuta
- Department of Epidemiology, College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA.
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Schonfeld TL, Amoura NJ, Stoner JA, Gordon BG. Women and contraception in research: a pilot study. J Womens Health (Larchmt) 2009; 18:507-12. [PMID: 19361318 DOI: 10.1089/jwh.2008.0899] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND There are no data on women's willingness to participate in clinical trials as a function of real or perceived reproductive risk. Further, it is unknown whether the requirement for contraception or the common practice of limiting women's contraceptive choices influences their willingness to participate in research. The uncertainty about women's preferences on these matters remains a barrier for recruiting women to and retaining women as subjects in clinical trials. METHODS We developed a pilot study to determine women's willingness to participate in research with contraceptive requirements by looking at the three most common types of reversible contraceptives: hormonal contraception, barrier contraception, and intrauterine contraception. This study tested the hypotheses that restrictions on contraceptive choice impact women's willingness to participate in research and that the impact of contraceptive choice differs depending on women's perception of risk. RESULTS Women's willingness to participate in the proposed study decreased overall as reproductive risk increased. In addition, requirements for specific contraceptive methods negatively impacted women's reported willingness to participate in the research studies in our survey. CONCLUSIONS Results suggest that requirements for specific contraceptive methods negatively impacted women's reported willingness to participate in research. If confirmed in a larger sample, the negative effect of contraceptive limitations on women's willingness to participate in research would be of importance to clinical investigators and to institutional review boards (IRBs), as most adult biomedical research has as an explicit goal the equitable recruitment of women of childbearing potential.
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Affiliation(s)
- Toby L Schonfeld
- University of Nebraska Medical Center, Omaha, Nebraska 68198-6075, USA.
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240
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Madsen SM, Holm S, Riis P. Participating in a cancer clinical trial? The balancing of options in the loneliness of autonomy: a grounded theory interview study. Acta Oncol 2009; 46:49-59. [PMID: 17438705 DOI: 10.1080/02841860600911164] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Cancer patients asked to participate in a randomised trial including chemotherapy at two university centres and a satellite centre were interviewed about perceptions and experiences (14 trial participating and 15 trial declining patients). The central phenomenon was a constant, cautious balancing of personal options searching for maximised effect, personal safety, trust, confidence and being cared for. Almost all developed a treatment preference and this was decisive for choices. Trial participants strongly wished to get the experimental treatment perceived as superior. They felt their freedom of choice being limited by randomisation. In contrast, trial decliners almost all focused on graver adverse effects related to the experimental treatment. A trusting and confident doctor-patient relationship was valued strongly. Yet, most breast cancer patients treated at the two large centres experienced a general lack of personal trust, confidence and being taken care of. The major reason was patients meeting too many physicians perceived as incompetent and unprepared. In contrast, the ovarian cancer patients treated at the satellite centre were content and satisfied with the main reason being the low number of physicians who were perceived as prepared, empathetic and knowledgeable. All patients expressed a feeling of "loneliness of autonomy" lacking sufficient knowledge and other resources to make educated choices.
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Affiliation(s)
- S M Madsen
- Department of Medical Gastroenterology C, Copenhagen University Hospital in Herlev, Herlev Ringvej 75, DK-2730 Herlev, Denmark.
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241
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Fenton L, Rigney M, Herbst RS. Clinical trial awareness, attitudes, and participation among patients with cancer and oncologists. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/s1548-5315(11)70546-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Baquet CR, Ellison GL, Mishra SI. Analysis of Maryland cancer patient participation in National Cancer Institute-supported cancer treatment clinical trials. J Health Care Poor Underserved 2009; 20:120-34. [PMID: 19711497 PMCID: PMC3782110 DOI: 10.1353/hpu.0.0162] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
PURPOSE We examined the relationship of sociodemographic factors, urban/rural residence, and county-level socioeconomic factors on accrual of Maryland patients with cancer to National Cancer Institute (NCI)-sponsored cancer treatment clinical trials. PATIENTS AND METHODS Data were analyzed for the period 1999 to 2002 for 2240 Maryland patients with cancer accrued onto NCI-sponsored treatment trials. The extent to which Maryland patients with cancer and patients residing in lower socioeconomic and/or rural areas were accrued to cancer trials and were representative of all patients with cancer in Maryland was determined. Data were obtained from several sources, including NCI's Cancer Therapy Evaluation Program for Maryland patients with cancer in Cooperative Group therapeutic trials, Maryland Cancer Registry data on cancer incidence, and United States Census and the Department of Agriculture. RESULTS For Maryland patients with cancer accrued onto NCI-sponsored treatment trials between 1999 and 2002, subgroups accrued at a higher rate included pediatric and adolescent age groups, white patients, female patients (for sex-specific tumors), patients with private health insurance, and patients residing in the Maryland National Capitol region. Moreover, between 1999 and 2002, there was an estimated annual decline (8.9% per year; P < .05) in the percentage of black patients accrued onto cancer treatment trials. Logistic regression models uncovered different patterns of accrual for female patients and male patients on county-level socioeconomic factors. CONCLUSION Results highlight disparities in the accrual of Maryland patients with cancer onto NCI-sponsored treatment trials based on patient age, race/ethnicity, geography of residence, and county-level socioeconomic factors. Findings provide the basis for development of innovative tailored and targeted educational efforts to improve trial accrual, particularly for the underserved.
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Affiliation(s)
- Claudia R Baquet
- Department of Internal Medicine, Office of Policy and Planning, the University of Maryland Comprehensive Center for Health Disparities Research, Outreach, and Training, Baltimore 21201, USA.
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Rasco DW, Xie Y, Yan J, Sayne JR, Skinner CS, Dowell JE, Gerber DE. The impact of consenter characteristics and experience on patient interest in clinical research. Oncologist 2009; 14:468-75. [PMID: 19401521 DOI: 10.1634/theoncologist.2008-0268] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND To explain the historically low rates of participation in cancer clinical trials, several factors have been studied. These include subject characteristics and attitudes, clinical trial availability and eligibility criteria, and physician attitudes and communication skills. However, the impact of nonphysician research personnel, who often consent patients for studies, is unclear. We therefore evaluated the association between consenter characteristics and subject interest in clinical research. METHODS We performed a retrospective review of subjects enrolled in a university-based cancer center tissue repository. During enrollment, subjects were asked if they were willing to be contacted in the future to (a) provide medical follow-up information and (b) participate in other clinical research. We analyzed the association between responses to these questions and consenter characteristics using univariate analysis and multivariate logistic regression. RESULTS In total, 181 consenters enrolled 922 subjects. The majority of subjects agreed to be contacted for follow-up (84.9%) and future research (83.1%). Subject willingness to be contacted for future research was associated with greater consenter experience in univariate and multivariate analyses. In multivariate analysis, subject willingness to be contacted for future research was associated with discordance between subject and consenter gender, but not with subject gender, race, or income, or consenter gender or race. CONCLUSIONS Consenter experience and subject-consenter gender discordance were associated with greater subject interest in participating in future research. The role of consenters in clinical research merits future study and should be considered in efforts to increase cancer clinical trial accrual.
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Affiliation(s)
- Drew W Rasco
- Division of Hematology-Oncology, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-8852, USA
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Dilts DM, Sandler AB, Cheng SK, Crites JS, Ferranti LB, Wu AY, Finnigan S, Friedman S, Mooney M, Abrams J. Steps and time to process clinical trials at the Cancer Therapy Evaluation Program. J Clin Oncol 2009; 27:1761-6. [PMID: 19255315 DOI: 10.1200/jco.2008.19.9133] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE To examine the processes and document the calendar time required for the National Cancer Institute's Cancer Therapy Evaluation Program (CTEP) and Central Institutional Review Board (CIRB) to evaluate and approve phase III clinical trials. METHODS Process steps were documented by (1) interviewing CTEP and CIRB staff regarding the steps required to activate a trial from initial concept submission to trial activation by a cooperative group, (2) reviewing standard operating procedures, and (3) inspecting trial records and documents for selected trials to identify any additional steps. Calendar time was collected from initial concept submission to activation using retrospective data from the CTEP Protocol and Information Office. RESULTS At least 296 distinct processes are required for phase III trial activation: at least 239 working steps, 52 major decision points, 20 processing loops, and 11 stopping points. Of the 195 trials activated during the January 1, 2000, to December 31, 2007, study period, a sample of 167 (85.6%) was used for gathering timing data. Median calendar days from initial formal concept submission to CTEP to trial activation by a cooperative group was 602 days (interquartile range, 454 to 861 days). This time has not significantly changed over the past 8 years. There is a high variation in the time required to activate a clinical trial. CONCLUSION Because of their complexity, the overall development time for phase III clinical trials is lengthy, process laden, and highly variable. To streamline the process, a solution must be sought that includes all parties involved in developing trials.
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Affiliation(s)
- David M Dilts
- Center for Management Research in Healthcare, Vanderbilt University, Nashville, TN 37235-1518, USA
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Sood A, Prasad K, Chhatwani L, Shinozaki E, Cha SS, Loehrer LL, Wahner-Roedler DL. Patients' attitudes and preferences about participation and recruitment strategies in clinical trials. Mayo Clin Proc 2009; 84:243-7. [PMID: 19252111 PMCID: PMC2664601 DOI: 10.4065/84.3.243] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
OBJECTIVE To assess attitudes of patients about participation in clinical trials. PATIENTS AND METHODS This is a self-report survey of 400 patients who underwent general medical evaluations between September and November 2006 at a tertiary care academic medical center in Rochester, MN. We measured knowledge of access to clinical trials, attitudes toward participation, recruitment preferences, and beliefs about research integrity. RESULTS Of 485 consecutive patients, 400 (82%) completed the survey. Previous participation in clinical trials was reported by 112 patients (28%). Most were unaware of online information about clinical trials (330 [82%]), were satisfied with their current knowledge (233 [58%]), expected their treating physician to inform them about current trials (304 [76%]), and showed equal interest in participating in conventional or complementary intervention trials (174 [44%]). Of the 400 respondents, 321 (80%) found it appropriate to be contacted by mail and 253 (63%) by telephone regarding study participation. Most patients (364 [91%]) wanted to be informed about research findings or else would not participate in future clinical trials (272 [68%]). The most frequently expected compensation was free parking (234 [58%]). Most thought that their safety (373 [93%]) and privacy (376 [94%]) would be guarded. CONCLUSION Patients are interested in participating in clinical trials but commonly lack adequate information. If patients received more information (through their treating physicians), enrollment might improve. This single-site study has limited generalizability. Future studies involving a diverse group of patients from a broader geographic distribution will help provide more definitive results.
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Affiliation(s)
- Amit Sood
- Division of General Internal Medicine, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA.
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Sood A, Prasad K, Chhatwani L, Shinozaki E, Cha SS, Loehrer LL, Wahner-Roedler DL. Patients' attitudes and preferences about participation and recruitment strategies in clinical trials. Mayo Clin Proc 2009; 84:243-7. [PMID: 19252111 PMCID: PMC2664601 DOI: 10.1016/s0025-6196(11)61141-5] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
OBJECTIVE To assess attitudes of patients about participation in clinical trials. PATIENTS AND METHODS This is a self-report survey of 400 patients who underwent general medical evaluations between September and November 2006 at a tertiary care academic medical center in Rochester, MN. We measured knowledge of access to clinical trials, attitudes toward participation, recruitment preferences, and beliefs about research integrity. RESULTS Of 485 consecutive patients, 400 (82%) completed the survey. Previous participation in clinical trials was reported by 112 patients (28%). Most were unaware of online information about clinical trials (330 [82%]), were satisfied with their current knowledge (233 [58%]), expected their treating physician to inform them about current trials (304 [76%]), and showed equal interest in participating in conventional or complementary intervention trials (174 [44%]). Of the 400 respondents, 321 (80%) found it appropriate to be contacted by mail and 253 (63%) by telephone regarding study participation. Most patients (364 [91%]) wanted to be informed about research findings or else would not participate in future clinical trials (272 [68%]). The most frequently expected compensation was free parking (234 [58%]). Most thought that their safety (373 [93%]) and privacy (376 [94%]) would be guarded. CONCLUSION Patients are interested in participating in clinical trials but commonly lack adequate information. If patients received more information (through their treating physicians), enrollment might improve. This single-site study has limited generalizability. Future studies involving a diverse group of patients from a broader geographic distribution will help provide more definitive results.
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Affiliation(s)
- Amit Sood
- Division of General Internal Medicine, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA.
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Murray P, Kerridge I, Tiley C, Catanzariti A, Welberry H, Lean C, Sinclair S, Bishop J, Bradstock K. Enrolment of patients to clinical trials in haematological cancer in New South Wales: current status, perceived barriers and opportunities for improvement. Intern Med J 2009; 40:133-8. [DOI: 10.1111/j.1445-5994.2009.01911.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Baquet CR, Henderson K, Commiskey P, Morrow JN. Clinical trials: the art of enrollment. Semin Oncol Nurs 2009; 24:262-9. [PMID: 19000600 DOI: 10.1016/j.soncn.2008.08.006] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
OBJECTIVES Enrollment barriers and multidisciplinary approaches to increase cancer trials participation are presented. Recruitment barriers, research in Maryland, and a Best Practice for cancer trials are discussed. DATA SOURCES Journal and research articles, web sites. CONCLUSION Clinical trials have produced prevention and care advances for cancer and other diseases. Trial enrollment is lower for minorities and underserved communities. A comprehensive program for addressing enrollment barriers should incorporate research on barriers, multidisciplinary teams, and education and trial infrastructure in community settings. IMPLICATIONS FOR NURSING PRACTICE Health disparities training, including culturally appropriate enrollment approaches for education and retention of underserved communities, should incorporate community stakeholders and nurse/physician researchers.
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Affiliation(s)
- Claudia R Baquet
- University of Maryland School of Medicine, Baltimore, MD 21201, USA.
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Spiker CA, Weinberg AD. Policies to address disparities in clinical trials: the EDICT Project. JOURNAL OF CANCER EDUCATION : THE OFFICIAL JOURNAL OF THE AMERICAN ASSOCIATION FOR CANCER EDUCATION 2009; 24:S39-S49. [PMID: 20024825 DOI: 10.1007/bf03182311] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
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Willingness of gynecologic cancer patients to participate in clinical trials. Gynecol Oncol 2009; 112:161-5. [DOI: 10.1016/j.ygyno.2008.09.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2008] [Revised: 08/25/2008] [Accepted: 09/02/2008] [Indexed: 11/24/2022]
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