Prescription drug, healthcare utilization, and lost earnings cost of behavioral interventions for fear of cancer recurrence in breast cancer survivors.

Abstract

e24095 Background: Breast cancer survivors experience distress due to the fear of cancer recurrence. Acceptance and commitment therapy (ACT) and cognitive behavioral therapy (CBT) can treat the fear of cancer recurrence. However, no study has applied economic evaluation methods to estimate ACT and CBT behavioral intervention costs for breast cancer survivors. Methods: 384 adult stage I-IIIA breast cancer survivors with fear of cancer recurrence were randomly assigned to either the ACT (n = 128), CBT (n = 128), or enhanced usual care (EUC, n = 128) groups. Through micro-costing, we assessed the societal perspective cost of behavioral interventions using 2022 dollars. Per-capita drug costs, healthcare utilization, and lost productivity were calculated using participant survey data. Drug costs were estimated using Micromedex’s Red Book wholesale unit price. The 2022 Medicare Physician Fee Schedule for Indiana estimated healthcare utilization costs from outpatient, inpatient, and emergency visits. Lost productivity costs included work loss, productivity loss, and unpaid work loss, valued by Indiana's mean hourly wage. We assessed the cost differences between baseline (T1) and after the 6-week intervention period (T2). We evaluated between-group differences with Bonferroni's tests for each pairwise group comparison and within-group differences with a paired t-test at a p-value of < 0.05. Results: The mean total per-capita cost change from T1 to T2 in the ACT, CBT, and EUC groups was -$563, -$1622, and -$981, respectively (Table 1). This cost reduction stemmed from drug and healthcare utilization. There was no significant between-group difference in total cost at T1 or T2 and no significant between-group or within-group cost change from T1 to T2. Conclusions: Our cost estimates will be updated at 6 and 12 months of intervention and combined with changes in quality of life and mental health metrics to assess the cost-effectiveness of ACT and CBT for fear of breast cancer recurrence. Clinical trial information: NCT05364450 . [Table: see text]