Although clinical trial research is required for the development of improved treatment strategies, very few cancer patients participate in these studies. The purpose of this study was to describe psychosocial barriers to clinical trial participation among oncologists and their cancer patients. A survey was distributed to all medical oncologists in Pennsylvania and a subset of their patients. Relevant background information and assessment of practical and psychosocial barriers to clinical trial participation were assessed. Among 137 oncologists and 170 patients who completed the surveys, 84% of patients were aware of clinical trials, and oncologists and patients generally agreed that clinical trials are important to improving cancer treatment. However, oncologists and patients were more likely to consider clinical trials in advanced or refractory disease. When considering 7 potential barriers to clinical trials, random assignment and fear of receiving a placebo were ranked highly by both patients and oncologists. Patients identified fear of side effects as the greatest barrier to clinical trial participation, whereas oncologists ranked this psychosocial barrier as least important to their patients. Overall, the study found that although oncologists and patients are aware of clinical trials and have favorable attitudes toward them, psychosocial barriers exist for patients that may impact participation in clinical trials. Furthermore, important discrepancies exist between the perceptions of oncologists and those of patients regarding what the psychosocial barriers are. We concluded that characterizing oncologist and patient perceived barriers can help improve communication and decision making about clinical trials, such that participation may be optimized.
Background Cancer patients and their oncologists often report differing perceptions of consultation discussions and discordant expectations regarding treatment outcomes. CONNECT™, a computer-based communication aid, was developed to improve communication between patients and oncologists. Methods CONNECT includes assessment of patient values, goals, and communication preferences; patient communication skills training; and a pre-consult physician summary report. CONNECT was tested in a three-arm, prospective, randomized clinical trial. Prior to the initial medical oncology consultation, adult patients with advanced cancer were randomized to (a) control; (b) CONNECT with physician summary, or (c) CONNECT without physician summary. Outcomes were assessed with post-consultation surveys. Results Of 743 patients randomized, 629 completed post-consultation surveys. Patients in the intervention arms (versus control) felt that the CONNECT program made treatment decisions easier to reach (p=0.003) and helped them to be more satisfied with these decisions (p<0.001). In addition, patients in the intervention arms reported higher levels of satisfaction with physician communication format (p=0.026) and discussion regarding support services (p=0.029) and quality of life concerns (p=0.042). The physician summary did not impact outcomes. Patients with higher levels of education and poorer physical functioning experienced greater benefit from CONNECT. Conclusion This prospective randomized clinical trial demonstrates that computer-based communication skills training can positively affect patient satisfaction with communication and decision making. Measureable patient characteristics may be used to identify subgroups most likely to benefit from an intervention such as CONNECT.
Background Cancer clinical trials (CCTs) are important tools in the development of improved cancer therapies; yet, participation is low. Key psychosocial barriers exist that appear to impact a patient’s decision to participate. Little is known about the relationship among knowledge, self efficacy, preparation, decisional conflict, and patient decisions to take part in CCTs. Objective The purpose of this study was to determine if preparation for consideration of a CCT as a treatment option mediates the relationship between knowledge, self-efficacy, and decisional conflict. We also explored whether lower levels of decisional conflict are associated with greater likelihood of CCT enrollment. Method In a pre-post test intervention study, cancer patients (N=105) were recruited before their initial consultation with a medical oncologist. A brief educational intervention was provided to all patients. Patient self-report survey responses assessed knowledge, self efficacy, preparation for clinical trial participation, decisional conflict, and clinical trial participation. Results Preparation was found to mediate the relationship between self-efficacy and decisional conflict (p=0.003 for a test of the indirect mediational pathway for the Decisional Conflict total score). Preparation had a more limited role in mediating the effect of knowledge on decisional conflict. Further, preliminary evidence indicated that reduced decisional conflict was associated with increased clinical trial enrollment (p=0.049). Conclusions When patients feel greater CCT self-efficacy and have more knowledge they feel more prepared to make a CCT decision. Reduced decisional conflict, in turn, is associated with the decision to enroll in a clinical trial. Our results suggest that preparation for decision making should be a target of future interventions to improve participation in CCTs.
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