Which PBM Best Managed Drug Spending in 2018: CVS Health, Express Scripts, MedImpact, or Prime Therapeutics?

It’s time for our annual Drug Channels’ examination of drug spending reports. For 2018, we again aim our magnifying glass at the annual trend reports from four large pharmacy benefit managers (PBMs): CVS Health, Express Scripts, MedImpact, and Prime Therapeutics. (See their report links below.) The other large PBMs—Humana and OptumRx (UnitedHealth)—provide no public transparency into their performance.