Application-based market taxonomy for Opicapone Capsules maps directly onto levodopa-associated wearing-off severity. The Hospital channel—covering inpatient initiation, movement-disorder outpatient clinics, and bulk procurement tenders—represents roughly 60 % of 2023 global sales. Hospitals favour opicapone because its once-daily, peripheral COMT inhibition profile reduces neurology nursing time relative to entacapone, translating into lower DRG cost per case. The Retail Pharmacy channel, capturing the remaining 40 %, is driven by chronic refill scripts; here, payer formularies and pharmacist substitution rules determine share accretion. Within retail, a small but growing e-pharmacy sub-segment (<3 %) is emerging in Brazil and India where cash-pay patients seek 30-day convenience packs. Overall, the hospital segment delivers higher net prices (ex-factory +9–12 % versus retail) but slower volume growth, whereas retail scripts expand faster as neurologists increasingly delegate maintenance therapy to primary care prescribers.