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Deborah (Debi) A. Boyle MSN, RN, AOCNS, FAAN, is editor in chief of Oncology Nursing News®. She is a long tenured oncology clinical nurse specialist who has practiced in both Comprehensive Cancer Centers and community cancer programs. A frequent speaker nationally and abroad, Debi is the recipient of numerous honors and has published more than 330 articles, chapters, monographs, editorials, blogs, and books. A writer, editor, and speaker, Debi is dedicated to advancing quality nursing education and practice within cancer care.

Enhancing Clinical Trial Participation

There are multiple reasons why patients decide not to participate in clinical trials, and it is essential that healthcare providers understand them to overcome barriers.
PUBLISHED: 7:00 PM, SAT JUNE 1, 2019
Adult participation in cancer clinical trials lags far behind that within the pediatric population,1 limiting the availability of research results to guide therapy decision-making. Interventions are needed to foster improved participation. Yet first and foremost, we need to know why adult participation rates are so low. Numerous reasons have been cited.

Having worked as a research nurse, I have heard an abundance of reasons for low attrition from both providers and patients. Physicians in busy office practices have time constraints limiting their availability to explain the nature of trials. A lack of research personnel in the ambulatory setting is also a barrier. Dedicated staff are needed to determine trial eligibility, engage in the consent process, manage required paperwork, oversee laboratory and radiologic testing, and at times work with pharmacy to ensure the safety and stocking of study drugs.

From patients, the most common response I’ve heard is something along the lines of, “I don’t want to be a guinea pig.” Additionally, there may be added clinic visits, confusion about the randomization process, and misunderstanding about withdrawal or stopping the trial. Lastly, the consent process is overwhelming for many potential trial participants. To ensure that the complete nature of the trial is described and patient safety is ensured, explicit details of the trial are spelled out at length in the consent document. While the use of medical jargon is minimized in the consent, the specifics of the trial often remain confusing.

The outcomes of a Delphi consensus investigation were published. The aim was to establish essential information needed to enhance the informed consent process in an adult sample.2 Ultimately, 15 consensus statements were identified as being key to patient understanding about trial participation that could augment the informed consent process. These included:
  1. What is the trial aiming to do?
  2. What is my chance of receiving the trial drug?
  3. What is my chance of receiving a placebo drug if part of the trial?
  4. What is required of me if I choose to participate in this trial?
  5. How often is the trial drug administered?
  6. What is the length of the trial treatment?
  7. What are the possible risks to me of participation?
  8. What are the possible side effects of the trial drug?
  9. What are the likely discomforts from study procedures?
  10. What are the likely discomforts from study participation?
  11. What are the possible benefits to me of participation?
  12. Will participation in the trial affect my future treatment options?
  13. How does trial care differ from standard care/practice?
  14. What are my rights to enroll or withdraw from this trial?
  15. Who can I contact for further information or if I have any questions?

The results of this research offer substantive evidence of key information required by adult patients that augments understanding of the informed consent document. The lengthy, detailed, and often-overwhelming informed consent document required by institutional review boards could be accompanied by a supplemental factsheet that specifically addresses common patient concerns. Future testing of this intervention would identify its influence on adult clinical trial accrual rates.

References:
1. Unger JM, Cook E, Tai E, Bleyer A. Role of clinical trial participation in cancer research: Barriers, evidence and strategies. Am Soc Clin Oncol Educ Book.  35: 185-198.
2. Kao CY, Aranda S, Krishnasamy M, Hamilton B. Identifying essential information to support patient decision-making regarding participation in cancer clinical trials: A Delphi study. Eur J Cancer Care, 27: e12954.
 

Talk about this article with nurses and others in the oncology community in the General Discussions Oncology Nursing News discussion group.
More from Deborah (Debi) A. Boyle MSN, RN, AOCNS, FAAN
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PUBLISHED: Wed June 12 2019
Over two decades, I experienced cancer as both a daughter and a wife. Despite my oncology nursing expertise, I found myself overwhelmed with the responsibilities of caregiving.
PUBLISHED: Mon April 29 2019

While oncology nurses have historically focused on their roles within active cancer therapy settings, it is timely to consider expanding our influence to encompass cancer prevention.
 
PUBLISHED: Wed March 27 2019
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