Patient-reported disability progression outcomes among patients with multiple sclerosis: Results of an outcomes-based agreement.

Background: Outcomes-based agreements (OBAs) are agreements between payers and manufacturers in which payment for medications is tied to patient outcomes. These contracts aim to measure the value of prescription medications on predefined clinical indicators in real-world patient populations. OBAs are gaining traction in the United States as the health care industry shifts from volume-based to value-based care.