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Preliminary data from a 4-year mirror-image and multicentre study of patients initiating paliperidone palmitate 6-monthly long-acting injectable antipsychotic: the Paliperidone 2 per Year study

Abstract: Background: Paliperidone palmitate 6-monthly (PP6M) is the first long-acting antipsychotic injectable (LAI) to allow for only two medication administrations per year, though there is presently limited insight into its effectiveness and potential added value in real clinical practice conditions. Objectives: To present our ongoing study and draw its preliminary data on patient characteristics initiating PP6M and adherence during the first year of treatment. Methods: The paliperidone 2 per year (P2Y) study is a 4-year, multicentre, prospective mirror-image pragmatic study taking place at over 20 different sites in Europe. The mirror period covers 2 years either side of the PP6M LAI initiation. Retrospective data for the previous 2 years are collected for each patient from the electronic health records. Prospective data are recorded at baseline, 6, 12, 18 and 24?months of drug administration and also cover information on concomitant psychiatric medication, relapses, hospital admissions, side effects, discontinuation and its reasons. Meanwhile, here we present preliminary data from the P2Y study at basal and 6-month period (first and second PP6M administration). Results: At the point of PP6M initiation, the most frequent diagnosis was schizophrenia (69%), the clinical global impression scale mean score was 3.5 (moderately markedly ill) and the rate of previous hospital admissions per patient and year was 0.21. PP6M was initiated after a median of 3-4?years on previous treatment: 146 (73%) from paliperidone palmitate 3-monthly, 37 (19%) from paliperidone palmitate 1-monthly and 17 (9%) from other antipsychotics. The mean dose of the first PP6M was 1098.9 mg. The retention rate at 6 months and 1 year of treatment on PP6M in our cohort was 94%. Conclusion: Patient and clinician preference for LAIs with longer dosing intervals was the main reason for PP6M initiation/switching resulting in high treatment persistence. Future data are needed to evaluate the full impact of PP6M in clinical practice.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Therapeutic Advances in Psychopharmacology, 2023, 13, 1-12

Editorial: SAGE journals

 Año de publicación: 2023

Nº de páginas: 12

Tipo de publicación: Artículo de Revista

 DOI: 10.1177/20451253231220907

ISSN: 2045-1253,2045-1261

Url de la publicación: https://doi.org/10.1177/20451253231220907

Autoría

GARCÍA-CARMONA, JUAN ANTONIO

GARCÍA-PÉREZ, ALBA

GUILLERMO JACOBO ISIDRO GARCIA

FORCEN-MUÑOZ, LUIS ALBERTO

OVEJERO GARCÍA, SANTIAGO

SÁEZ POVEDANO, ROCÍO

GONZÁLEZ-GALDÁMEZ, ANA LUISA

MATA ITURRALDE, LAURA

HERNÁNDEZ-SÁNCHEZ, FERNANDO

MARIA LUZ RAMIREZ BONILLA

FUENTES-PÉREZ, PALOMA

OVEJAS-CATALÁN, CLAUDIA

VALDIVIA-MUÑOZ, FRANCISCO

OMAÑA COLMENARES, MIGUEL

MARTÍN-PÉREZ, ÁNGELA DE LOURDES

CAMPOS-NAVARRO, MARÍA PILAR