Addressing the Financial Burden of Cancer Clinical Trial Participation: Longitudinal Effects of an Equity Intervention

Background: The financial burden experienced by patients with cancer represents a barrier to clinical trial participation, and interventions targeting patients' financial concerns are needed. We sought to assess the impact of an equity intervention on clinical trial patients' financial burden.

Materials And Methods: We developed an equity intervention to reimburse nonclinical expenses related to trials (e.g., travel and lodging). From July 2015 to July 2017, we surveyed intervention and comparison patients matched by age, sex, cancer type, specific trial, and trial phase. We longitudinally assessed financial burden (e.g., trial-related travel and lodging cost concerns, financial wellbeing [FWB] with the COmprehensive Score for financial Toxicity [COST] measure) at baseline, day 45, and day 90. We used longitudinal models to assess intervention effects over time.

Results: Among 260 participants, intervention patients were more likely than comparison patients to have incomes under $60,000 (52% vs. 24%, < .001) and to report travel-related (41.0% vs. 6.8%, < 0.001) and lodging-related (32.5% vs. 2.0%, < .001) cost concerns at baseline. Intervention patients were more likely to report travel to appointments as their most significant financial concern (24.0% vs. 7.0%, = .001), and they had worse FWB than comparison patients (COST score: 15.32 vs. 23.88, < .001). Over time, intervention patients experienced greater improvements in their travel-related (-10.0% vs. +1.2%, = .010) and lodging-related (-3.9% vs. +4.0%, = .003) cost concerns. Improvements in patients reporting travel to appointments as their most significant financial concern and COST scores were not statistically significant.

Conclusion: Cancer clinical trial participants may experience substantial financial issues, and this equity intervention demonstrates encouraging results for addressing these patients' longitudinal financial burden.

Implications For Practice: Clinical trials are critical for developing novel therapies for patients with cancer, yet financial barriers may discourage some patients from participating in cancer clinical trials. This study found that patients who received financial assistance from an equity intervention experienced significant improvements over time in their concerns about the cost of travel and lodging associated with clinical trials compared with comparison patients who did not receive financial assistance from the equity intervention. Among cancer clinical trial participants, an equity intervention shows potential for addressing patients' concerns regarding clinical trial-related travel and lodging expenses.