In vitro and in vivo characterization of Invega Sustenna® (paliperidone palmitate long-acting injectable suspension).

IF 4.4 2区 医学 Q1 PHARMACOLOGY & PHARMACY
Ji Li, Antonela Rodriguez, Kaikai Wang, Karl Olsen, Yan Wang, Anna Schwendeman
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引用次数: 0

Abstract

The aim of this study was to comprehensively characterize paliperidone palmitate (PP) long-acting suspension (Invega Sustenna®) through reverse engineering. We developed a series of analytical methods to assess critical quality attributes of four batches of Invega Sustenna®. The size distributions of the four batches of suspensions were measured using laser diffraction, and variations in the D50 and D90 parameters were observed. The morphology of suspension was determined through scanning electron microscope (SEM), which exhibited irregular granular shape across all batches. The size distributions determined by SEM images were similar to the laser diffraction results. Thermal characteristics were detected using differential scanning calorimetry (DSC) and crystalline properties were assessed by powder X-ray diffraction (PXRD), displaying consistency among the four batches in these two aspects. In vitro dissolution methods (sample separation and dialysis bag methods) were developed to evaluate the release behaviors of Invega Sustenna® and four lots showed a similar dissolution pattern. Furthermore, following a single-dose intramuscular administration to rats, two batches of Invega Sustenna® with the largest size differences demonstrated comparable plasma concentration-time profiles and pharmacokinetics parameters, indicative of one month long-acting release. In summary, we established a systematic quality characteristics assessment for Invega Sustenna®, including particle size distribution, particle morphology, thermal characteristics, crystalline properties, in vitro dissolution kinetics and in vivo pharmacokinetics. Our work will assist pharmaceutical companies and regulatory agencies in the development and regulatory assessment of novel or generic products of long-acting injectable suspension.

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来源期刊
CiteScore
8.80
自引率
4.10%
发文量
211
审稿时长
36 days
期刊介绍: The European Journal of Pharmaceutics and Biopharmaceutics provides a medium for the publication of novel, innovative and hypothesis-driven research from the areas of Pharmaceutics and Biopharmaceutics. Topics covered include for example: Design and development of drug delivery systems for pharmaceuticals and biopharmaceuticals (small molecules, proteins, nucleic acids) Aspects of manufacturing process design Biomedical aspects of drug product design Strategies and formulations for controlled drug transport across biological barriers Physicochemical aspects of drug product development Novel excipients for drug product design Drug delivery and controlled release systems for systemic and local applications Nanomaterials for therapeutic and diagnostic purposes Advanced therapy medicinal products Medical devices supporting a distinct pharmacological effect.
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