FTC + HHS/DOJ
PBMs
- HHI
- Withheld
- CR4
- N/A
- Top firm
- N/A
People exposed
Patients, pharmacies, and payersMiddlemen can narrow access, reimbursement, and medicine affordability while firm-level shares stay hidden.Government lever
FTC/HHS transparency orderRequire auditable firm-level shares and outcome data tied to patient and pharmacy choice.Evidence boundaryFirm-level shares and local ownership/control data · incomplete · high confidence