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Copay Accumulator Programs Increase Costs for Cancer Patients

March 30, 2026

Many cancer patients struggle to afford the cost of their prescription drugs, and copay assistance is often the only way they can manage the required cost sharing. Copay accumulator programs, however, prevent patients from fully benefiting from this assistance, shifting the financial responsibility from health plans to patients.

This overview provides an introduction to copay accumulators and the impact of these programs on patients, and this sample scenario illustrates how money moves among the enrollee, pharmacy, and insurer under these programs.