MetricKPI Compass StandardApprovedInternal
NBRx
A new-to-brand prescription identifying a patient's first qualifying use of a specific brand within a defined lookback period.
Definition
NBRx, or new-to-brand prescription, is intended to measure brand adoption by identifying patients newly starting a specific branded therapy. Implementations generally apply a lookback period to determine whether prior use of the brand exists.
Formula
Count of patients or prescriptions meeting the new-to-brand rule
Sources
- IQVIAVerified 2026-08-04
- IQVIA (secondary)