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  • Title: Association of Participation in Medicare's Oncology Care Model With Spending, Utilization, and Quality Outcomes Among Commercially Insured and Medicare Advantage Members.
    Author: Mullangi S, Ukert B, Devries A, Debono D, Santos J, Fisch MJ, Schleicher SM, Navathe AS, Bekelman JE, Schwartz AL, Parikh RB.
    Journal: J Clin Oncol; 2024 Oct 02; ():JCO2400502. PubMed ID: 39356984.
    Abstract:
    PURPOSE: The Oncology Care Model (OCM), a value-based payment model for traditional Medicare beneficiaries with cancer, yielded total spending reductions that were outweighed by incentive payments, resulting in net losses to the Centers for Medicare & Medicaid Services. We studied whether the OCM yielded spillover effects in total episode spending, utilization, and quality among commercially insured and Medicare Advantage (MA) members, who were not targeted by the program. PATIENTS AND METHODS: This observational study used administrative claims from a large national payer, yielding 157,189 total patients with commercial insurance or MA with solid malignancies who initiated 229,376 systemic anticancer therapy episodes before (2012-2015) and during (2016-2021) the OCM at 125 OCM-participating practices (a subset of total OCM practices) and a 1:10 propensity-matched set of 860 non-OCM practices. We used difference-in-differences analyses to assess the association between the OCM and total episode spending, defined as medical spending during a 6-month episode. Secondary outcomes included hospitalization and emergency department (ED) utilization and quality measures. RESULTS: From the pre-OCM to the OCM period, mean total episode payments increased from $45,504 in US dollars (USD) to $46,239 USD for OCM-participating practices, and increased from $50,519 USD to $58,591 USD for non-OCM practices (adjusted difference-in-differences -$6,287 USD [95% CI, -$10,076 USD to -$2,498 USD], P = .001). The OCM was associated with adjusted spending decreases for both high-risk (-$6,756 USD [95% CI, -$10,731 USD to -$2,781 USD], P = .001) and low-risk (-$4,171 USD [95% CI, -$7,799 USD to -$543 USD], P = .025) episodes. OCM-associated spending reductions were strongest for outpatient (-$5,243 USD [95% CI, -$8,589 USD to -$1,897 USD], P = .002) and infused/injected anticancer drug (-$3,031 USD [95% CI, -$5,193 USD to -$869 USD], P = .006) spending. There were no associations between OCM participation and changes in hospital or ED utilization nor quality of care. CONCLUSION: The OCM was associated with reductions in spending for nontargeted members, a spillover effect.
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