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Poster 42

(#42) Real-World Treatment Patterns of Patients With Schizophrenia Using Oral Olanzapine and the Associated Impact of Non-adherence on Healthcare Resource Utilization

John Kane - Northwell Health, New York, NY, USA
Sangtaeck Lim - Teva Branded Pharmaceutical Products R&D LLC, West Chester, PA, USA
Handing Xie - Teva Branded Pharmaceutical Products R&D LLC, West Chester, PA, USA
Mark Suett - Teva UK Limited, Harlow, UK
Kelli Franzenburg - Teva Branded Pharmaceutical Products R&D LLC, West Chester, PA, USA
Rolf Hansen - Teva Branded Pharmaceutical Products R&D LLC, West Chester, PA, USA
Amit Kumar - KMK Consulting Inc, Morristown, NJ, USA
Jose Rubio - Northwell Health, New York, NY, USA

Psych Congress Elevate 2025
Abstract: Non-adherence to oral antipsychotics is a barrier to optimal outcomes for patients with schizophrenia. This study aimed to identify treatment patterns and the impact of treatment non-adherence on healthcare resource utilization (HCRU) for patients receiving oral olanzapine. This retrospective study using the US MarketScan Medicaid Claims database included adult patients with schizophrenia (?1 inpatient/?2 outpatient diagnoses;ICD-10:F20) who initiated oral olanzapine (2019ñ2021). Patients had ?1 additional oral olanzapine claim within 90 days. Treatment patterns and HCRU were assessed for adherent (proportion of days covered [PDC]?0.8) and non-adherent (PDC