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. 2011 Sep;7(5):330–333. doi: 10.1200/JOP.2011.000236

Table 1.

Reasons for Nonparticipation in Clinical Trials

Reason Listed As One Reason (%) Listed As Most Important Reason (%)*
Possible side effects 50 20
Concern about random assignment 44 18
Cost/no insurance 28 12
Overwhelmed 32 12
Time 32 12
Physician recommended not participating 5 5
Other (surgical biopsy, moving, uncertainty of study treatment effect) 9 8

NOTE. Patients who were offered trial participation but chose not to participate (n = 120) were asked to select or write in reasons for their decision. Percentage of patients selecting specific reasons contributing to decision to decline trial participation is listed.

*

Not all patients indicated most important reason.