RAND’s multinational benchmark found U.S. prescription drug prices at 278% of prices in comparable countries, with branded products far higher still.[1]
For IPMI carriers and TPAs in 2026, that single number explains why U.S. pharmacy exposure can overwhelm otherwise healthy international medical portfolios unless benefits are engineered with discipline.
1) The 278% Gap Is an Underwriting Reality, Not a Headline
The RAND comparison and related Commonwealth Fund analysis both show the U.S. paying materially more than peer systems for many medicines, especially brands and specialty classes.[1][2] This means a member filling the same therapy in the U.S. versus Europe or Latin America can create multiple-times cost variance.
2) How U.S. Pharmacy Benefits Distort IPMI Loss Ratios
When plans permit unrestricted U.S. pharmacy fill for chronic therapies, claim severity rises through list-price exposure, dispensing channel choice, and weak utilization controls. Employer and payer analyses continue to show pharmacy trend as a key claims-cost pressure point.[3][4]
3) PBM Strategy for International Payers
- Closed/managed formularies with evidence-driven exceptions
- Reference pricing by therapeutic class and geography
- Mandatory generic/biosimilar first where clinically appropriate
- Site-of-fill optimization (retail, specialty, infusion)
These levers are standard in mature U.S. plans but often underused in IPMI books, where legacy benefit design prioritizes convenience over cost containment.[5][6]
4) Specialty Drugs: Small Volume, Outsized Spend
IQVIA and payer trend reports continue to show specialty categories driving disproportionate pharmacy spend growth.[7] For international programs, one unmanaged biologic pathway can wipe out annual margin on an entire member segment.
5) Cross-Border Benefit Engineering That Works
Best-practice designs separate emergency pharmacy access from chronic refill economics. Members should receive urgent supply rapidly while chronic therapy migrates to pre-approved channels with transparent pricing and clinical oversight.[8][9]
6) KPI Stack for 2026 Pharmacy Governance
Track: gross-to-net per script, specialty share of spend, biosimilar conversion rate, U.S.-fill vs non-U.S.-fill mix, prior-auth turnaround, and member interruption rates. Without this dashboard, payers cannot fix leakage fast enough.
The Bottom Line
U.S. drug pricing is structurally higher, and IPMI programs must be designed accordingly. MDabroad helps payers build global pharmacy controls that protect outcomes and margins. For a pharmacy-cost review of your international portfolio, contact us.
References
- RAND Corporation. U.S. Prescription Drug Prices Compared With Other OECD Countries. 2024 update. https://www.rand.org/pubs/research_reports/RRA787-4.html
- The Commonwealth Fund. How U.S. Health Care Prices Compare Internationally. 2024. https://www.commonwealthfund.org
- KFF. Prescription Drug Spending and Trends. 2024. https://www.kff.org
- OECD. Pharmaceutical Spending. 2024. https://www.oecd.org/health/pharmaceuticals
- AHIP. PBM and Formulary Management Practices. 2024. https://www.ahip.org
- AMCP. Managed Care Pharmacy Principles. 2024. https://www.amcp.org
- IQVIA. Global Use of Medicines and Spending Outlook. 2024. https://www.iqvia.com/insights
- FDA. Biosimilar Development and Approvals. 2024. https://www.fda.gov/drugs/biosimilars
- CMS. Drug Spending Dashboard. 2024. https://www.cms.gov/.../drug-spending
- ASPE HHS. Prescription Drug Pricing Trends. 2024. https://aspe.hhs.gov/topics/health-care/prescription-drugs