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T'jollyn H, Venkatasubramanian R, Neyens M, Gopal S, Russu A, Nandy P, Perez-Ruixo JJ, Ackaert O. Model-Informed Clinical Development of 6-Monthly Injection of Paliperidone Palmitate in Patients with Schizophrenia: Dosing Strategies Guided by Population Pharmacokinetic Modeling and Simulation (Part II). Eur J Drug Metab Pharmacokinet 2024; 49:491-506. [PMID: 38769284 DOI: 10.1007/s13318-024-00899-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/28/2024] [Indexed: 05/22/2024]
Abstract
BACKGROUND AND OBJECTIVE Paliperidone palmitate 6-month (PP6M) intramuscular (IM) injection is the longest-acting treatment available for patients with schizophrenia. A population pharmacokinetic (popPK) modeling and simulation approach was deployed to inform dosing strategies for PP6M. METHODS The extensive analysis database included 15,932 paliperidone samples from 700 patients receiving gluteal paliperidone palmitate 3-month (PP3M) or PP6M injections in the double-blind phase of a phase-3 noninferiority study (NCT03345342). Exposure parameters for paliperidone appeared to increase dose-proportionally within each dosing schedule (PP3M/PP6M). The range of paliperidone exposures after IM administration of PP6M overlaps with that of corresponding doses of oral paliperidone extended release, PP 1-month (PP1M), and PP3M. Model-based simulations were performed to investigate paliperidone exposures in different PP6M dosing scenarios and relevant subpopulations. RESULTS A dosing window of ≤ 2 weeks earlier and ≤ 3 weeks later than the target 6-month interval for maintenance treatment with PP6M dosing maintains paliperidone exposures at levels that are not expected to substantially impact its safety and efficacy. For missed-dose scenarios, tailored re-initiation regimens are proposed that should be applied before resuming PP6M maintenance dosing. Regarding subpopulations, PP6M 700 mg eq. is the highest dose recommended in mild renal-impairment patients; the paliperidone pharmacokinetics after PP6M administration is not affected by sex, body mass index, or age in a clinically meaningful way. CONCLUSION Paliperidone concentration-time profiles after PP6M and PP3M dosing were adequately described by the popPK model. Model-based simulation results provide guidance for clinicians on initiating PP6M therapy, transitioning between paliperidone formulations, the dosing windows to use for maintenance dosing, and managing missed PP6M doses.
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Affiliation(s)
- Huybrecht T'jollyn
- Janssen Research & Development, LLC, Turnhoutseweg 30, 2340, Beerse, Belgium.
| | | | - Martine Neyens
- Janssen Research & Development, LLC, Turnhoutseweg 30, 2340, Beerse, Belgium
| | - Srihari Gopal
- Janssen Research & Development, LLC, Titusville, NJ, USA
- Regeneron Pharmaceuticals, Tarrytown, NY, USA
| | - Alberto Russu
- Janssen Research & Development, LLC, Turnhoutseweg 30, 2340, Beerse, Belgium
| | - Partha Nandy
- Janssen Research & Development, LLC, Raritan, NJ, USA
- CSL Behring, King of Prussia, PA, USA
| | | | - Oliver Ackaert
- Janssen Research & Development, LLC, Turnhoutseweg 30, 2340, Beerse, Belgium
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T'jollyn H, Russu A, Venkatasubramanian R, Gopal S, Nandy P, Neyens M, Faelens R, Samtani MN, Ackaert O, Perez-Ruixo JJ. Model-Informed Clinical Development of Once-Every-6-Month Injection of Paliperidone Palmitate in Patients with Schizophrenia: A Pharmacometric Bridging Approach (Part I). Eur J Drug Metab Pharmacokinet 2024; 49:477-489. [PMID: 38750386 DOI: 10.1007/s13318-024-00900-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/28/2024] [Indexed: 06/26/2024]
Abstract
BACKGROUND AND OBJECTIVE A model-informed drug development (MIDD) approach was implemented for paliperidone palmitate (PP) 6-month (PP6M) clinical development, using pharmacokinetics and pharmacokinetic/pharmacodynamic model-based simulations. METHODS PP6M pharmacokinetics were simulated by extending the PP 3-month (PP3M) pharmacokinetic model to account for increased injection volume, and hence dose. Contribution of the MIDD approach to the design of the pivotal PP6M phase-3 study (PP6M/PP3M noninferiority study, NCT03345342) investigating schizophrenia relapse rates was twofold: (1) PP6M dose selection, and (2) hypothesis generation that lower trough concentrations (Ctrough) associated with PP6M, relative to PP3M, were not associated with lower efficacy, which was to be evaluated in the phase-3 study. Moreover, accompanied by an intense sampling scheme to adequately characterize paliperidone pharmacokinetics and to elucidate the potential relationship between concentration and safety/efficacy, the bridging strategy eliminated the need for additional phase-1/phase-2 clinical studies. RESULTS Using a MIDD bridging strategy, PP6M doses were selected that, compared with PP3M, were expected to have a similar range of exposures and a noninferior relapse rate and safety profile. Clinical data from PP6M/PP3M noninferiority study confirmed that PP6M, compared with PP3M, had a similar range of exposures (T'jollyn et al. in Eur J Drug Metab Pharmacokinet 2024), as well as a noninferior relapse rate and safety profile (this manuscript). CONCLUSIONS Consistency of the MIDD approach with observed clinical outcomes confirmed the hypothesis that lower Ctrough did not lead to increased relapse rates at the doses administered. Although higher paliperidone peak concentrations are achieved with corresponding doses of PP6M relative to PP3M in the phase-3 clinical study, types and incidences of treatment-related adverse events were comparable between PP6M and PP3M groups and no new safety concerns emerged for PP6M (Najarian et al. in Int J Neuropsychopharmacol 25(3):238-251, 2022).
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Affiliation(s)
- Huybrecht T'jollyn
- Janssen Research and Development, Turnhoutseweg 30, 2340, Beerse, Belgium.
| | - Alberto Russu
- Janssen Research and Development, Turnhoutseweg 30, 2340, Beerse, Belgium
| | | | - Srihari Gopal
- Janssen Research and Development, LLC, Titusville, NJ, USA
- Regeneron Pharmaceuticals, Tarrytown, NY, USA
| | - Partha Nandy
- Janssen Research and Development, LLC, Titusville, NJ, USA
- CSL Behring, King of Prussia, PA, USA
| | - Martine Neyens
- Janssen Research and Development, Turnhoutseweg 30, 2340, Beerse, Belgium
| | - Ruben Faelens
- Janssen Research and Development, Turnhoutseweg 30, 2340, Beerse, Belgium
| | | | - Oliver Ackaert
- Janssen Research and Development, Turnhoutseweg 30, 2340, Beerse, Belgium
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Marquez-Megias S, Nalda-Molina R, Más-Serrano P, Ramon-Lopez A. Population Pharmacokinetic Model of Adalimumab Based on Prior Information Using Real World Data. Biomedicines 2023; 11:2822. [PMID: 37893195 PMCID: PMC10604709 DOI: 10.3390/biomedicines11102822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 09/14/2023] [Accepted: 10/13/2023] [Indexed: 10/29/2023] Open
Abstract
Adalimumab is a fully human monoclonal antibody used for the treatment of inflammatory bowel disease (IBD). Due to its considerably variable pharmacokinetics and the risk of developing antibodies against adalimumab, it is highly recommended to use a model-informed precision dosing approach. The aim of this study is to develop a population pharmacokinetic (PopPK) model of adalimumab for patients with IBD based on a literature model (reference model) to be used in the clinical setting. A retrospective observational study with 54 IBD patients was used to develop two different PopPK models based on the reference model. One of the developed models estimated the pharmacokinetic population parameters (estimated model), and the other model incorporated informative priors (prior model). The models were evaluated with bias and imprecision. Clinical impact was also assessed, evaluating the differences in dose interventions. The developed models included the albumin as a continuous covariate on apparent clearance. The prior model was superior to the estimated model in terms of bias, imprecision and clinical impact on the target population. In conclusion, the prior model adequately characterized adalimumab PK in the studied population and was better than the reference model in terms of predictive performance and clinical impact.
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Affiliation(s)
- Silvia Marquez-Megias
- School of Pharmacy, Miguel Hernández University, 03550 San Juan de Alicante, Spain; (S.M.-M.); (P.M.-S.); (A.R.-L.)
| | - Ricardo Nalda-Molina
- School of Pharmacy, Miguel Hernández University, 03550 San Juan de Alicante, Spain; (S.M.-M.); (P.M.-S.); (A.R.-L.)
- Alicante Institute for Health and Biomedical Research (ISABIAL-FISABIO Foundation), 03010 Alicante, Spain
| | - Patricio Más-Serrano
- School of Pharmacy, Miguel Hernández University, 03550 San Juan de Alicante, Spain; (S.M.-M.); (P.M.-S.); (A.R.-L.)
- Alicante Institute for Health and Biomedical Research (ISABIAL-FISABIO Foundation), 03010 Alicante, Spain
- Clinical Pharmacokinetics Unit, Pharmacy Department, Alicante University General Hospital, 03010 Alicante, Spain
| | - Amelia Ramon-Lopez
- School of Pharmacy, Miguel Hernández University, 03550 San Juan de Alicante, Spain; (S.M.-M.); (P.M.-S.); (A.R.-L.)
- Alicante Institute for Health and Biomedical Research (ISABIAL-FISABIO Foundation), 03010 Alicante, Spain
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Siemons M, Schroyen B, Darville N, Goyal N. Role of Modeling and Simulation in Preclinical and Clinical Long-Acting Injectable Drug Development. AAPS J 2023; 25:99. [PMID: 37848754 DOI: 10.1208/s12248-023-00864-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 09/28/2023] [Indexed: 10/19/2023] Open
Abstract
Innovations in the field of long-acting injectable drug development are increasingly being reported. More advanced in vitro and in vivo characterization can improve our understanding of the injection space and aid in describing the long-acting injectable (LAI) drug's behavior at the injection site more mechanistically. These innovations may enable unlocking the potential of employing a model-based framework in the LAI preclinical and clinical space. This review provides a brief overview of the LAI development process before delving deeper into the current status of modeling and simulation approaches in characterizing the preclinical and clinical LAI pharmacokinetics, focused on aqueous crystalline suspensions. A closer look is provided on in vitro release methods, available biopharmaceutical models and reported in vitro/in vivo correlations (IVIVCs) that may advance LAI drug development. The overview allows identifying the opportunities for use of model-informed drug development approaches and potential gaps where further research may be most warranted. Continued investment in improving our understanding of LAI PK across species through translational approaches may facilitate the future development of LAI drug products.
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Affiliation(s)
- Maxime Siemons
- Janssen R&D, Johnson & Johnson, Turnhoutseweg 30, Beerse, Belgium.
| | - Bram Schroyen
- Janssen R&D, Johnson & Johnson, Turnhoutseweg 30, Beerse, Belgium
| | - Nicolas Darville
- Janssen R&D, Johnson & Johnson, Turnhoutseweg 30, Beerse, Belgium
| | - Navin Goyal
- Janssen R&D, Johnson & Johnson, Turnhoutseweg 30, Beerse, Belgium
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García-Carmona JA, Pappa S. Cumulative Clinical Experience of the Use of Paliperidone Palmitate 3-Monthly Long-Acting Injection in the Treatment of Schizophrenia: A Critical Appraisal. Drug Healthc Patient Saf 2023; 15:113-123. [PMID: 37720806 PMCID: PMC10504906 DOI: 10.2147/dhps.s339170] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 09/06/2023] [Indexed: 09/19/2023] Open
Abstract
Paliperidone palmitate 3-monthly (PP3M), an approved maintenance treatment for patients with schizophrenia, was the first long-acting antipsychotic injectable (LAI) to require only four administrations per year. Here, we aimed to review the available evidence about its use in the management of schizophrenia to date and highlight key study findings in order to provide a balanced overview of current experience in clinical practice. For that purpose, an extensive search of available literature from PubMed, Embase, and Web of Science was conducted in March 2023. Emerging data from real-world studies appear to signal that the benefits of the use of PP3M may well extent beyond the obvious convenience for patients and resource efficiency for services and may be actually associated with improved effectiveness and patient satisfaction. Large naturalistic studies from Australia, Europe and the US comparing treatment continuation between newer LAIs and/or oral antipsychotics showed that patients treated with PP3M had higher compliance rates and a longer period of continuous use. The risk of relapse, re-hospitalization and number of bed days was also lower with PP3M compared to PP1M and other LAIs as demonstrated by several cohort studies. Furthermore, patients treated with PP3M were using lower doses of benzodiazepines and concomitant oral antipsychotics compared with other LAIs. What is more, PP3M appears to positively impact patients' satisfaction and quality of life, facilitating long-term goals. In fact, recent studies recorded better quality-adjusted life years and decreased stigma, with improved social acceptability and promotion of rehabilitation for patients transitioning to PP3M. The rates of general satisfaction rates with PP3M were also higher among psychiatrists and caregivers who reported overall less concerns. In conclusion, clinical exposure and a growing body of evidence thus far, reinforce the use of PP3M in an effort to enhance patient outcomes alongside individual experience and treatment persistence.
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Affiliation(s)
- Juan Antonio García-Carmona
- Department of Neurology, Santa Lucia University Hospital, Cartagena, Murcia, Spain
- Unit of Acute Psychiatry, Reina Sofía University Hospital, Murcia, Spain
- Group of Clinical and Experimental Pharmacology, Institute for Biomedical Research of Murcia (IMIB), Murcia, Spain
| | - Sofia Pappa
- West London NHS Trust, London, UK
- Department of Brain Sciences, Imperial College London, London, UK
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Convolution-based approach for modeling the paliperidone extended release and Long-Acting Injectable (LAI) PK of once-, and three-monthly products administration and for optimizing the development of new LAI products. J Pharmacokinet Pharmacodyn 2022; 50:89-96. [PMID: 36484885 PMCID: PMC10066107 DOI: 10.1007/s10928-022-09835-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 11/28/2022] [Indexed: 12/13/2022]
Abstract
AbstractThe aim of this paper was to develop a convolution-based modeling approach for describing the paliperidone PK resulting from the administration of extended-release once-a-day oral dose, and once- and three monthly long-acting injectable products and to compare the performances of this approach to the traditional modeling strategy. The results of the analyses indicated that the traditional and convolution-based models showed comparable performances in the characterization of the paliperidone PK. However, the convolution-based approach showed several appealing features that justify the choice of this modeling as a preferred tool for modeling Long Acting Injectable (LAI) products and for deploying an effective model-informed drug development process. In particular, the convolution-based modeling can (a) facilitate the development of in vitro/in vivo correlation, (b) be used to identify formulations with optimal in vivo release properties, and (c) be used for optimizing the clinical benefit of a treatment by supporting the implementation of integrated models connecting in vitro and in vivo drug release, in vivo drug release to PK, and PK to PD and biomarker endpoints. A case study was presented to illustrate the benefits and the flexibility of the convolution-based modeling outcomes. The model was used to evaluate the in vivo drug release properties associated with a hypothetical once-a-year administration of a LAI product with the assumption that the expected paliperidone exposure during a 3-year treatment overlays the exposure expected after repeated administrations of a 3-month LAI product.
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Nguyen VTT, Darville N, Vermeulen A. Pharmacokinetics of Long-Acting Aqueous Nano-/Microsuspensions After Intramuscular Administration in Different Animal Species and Humans-a Review. AAPS J 2022; 25:4. [PMID: 36456852 DOI: 10.1208/s12248-022-00771-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 10/21/2022] [Indexed: 12/04/2022] Open
Abstract
Formulating aqueous suspensions is an attractive strategy to incorporate poorly water-soluble drugs, where the drug release can be tailored to maintain desired release profiles of several weeks to months after parenteral (i.e., intramuscular or subcutaneous) administration. A sustained drug release can be desirable to combat chronic diseases by overcoming pill fatigue of a daily oral intake, hence, improving patient compliance. Although the marketed aqueous suspensions for intramuscular injection efficiently relieve the daily pill burden in chronic diseases, the exact drug release mechanisms remain to be fully unraveled. The in vivo drug release and subsequent absorption to the systemic circulation are influenced by a plethora of variables, resulting in a complex in vivo behavior of aqueous suspensions after intramuscular administration. A better understanding of the factors influencing the in vivo performance of aqueous suspensions could advance their drug development. An overview of the potential influential variables on the drug release after intramuscular injection of aqueous suspensions is provided with, where possible, available pharmacokinetic parameters in humans or other species derived from literature, patents, and clinical trials. These variables can be categorized into drug substance and formulation properties, administration site properties, and the host response towards drug particles. Based on the findings, the most critical factors are particle size, dose level, stabilizing excipient, drug lipophilicity, gender, body mass index, and host response.
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Affiliation(s)
- Vy Thi Thanh Nguyen
- Ghent University, Laboratory of Medical Biochemistry and Clinical Analysis, Faculty of Pharmaceutical Sciences, Ottergemsesteenweg 460, B-9000, Ghent, Belgium.
| | - Nicolas Darville
- Pharmaceutical Product Development & Supply, Janssen Pharmaceutica NV, Turnhoutseweg 30, B-2340, Beerse, Antwerp, Belgium
| | - An Vermeulen
- Ghent University, Laboratory of Medical Biochemistry and Clinical Analysis, Faculty of Pharmaceutical Sciences, Ottergemsesteenweg 460, B-9000, Ghent, Belgium
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Guo X, Zhang M, Guo Y, Liu H, Yang B, Gou J, Yin T, Zhang Y, He H, Liu D, Tang X. Impact of jet pulverization and wet milling techniques on properties of aripiprazole long-acting injection and absorption mechanism research in vivo. Int J Pharm 2021; 612:121300. [PMID: 34793936 DOI: 10.1016/j.ijpharm.2021.121300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 10/31/2021] [Accepted: 11/11/2021] [Indexed: 11/25/2022]
Abstract
This study aims to explore the influence of wet milling and jet pulverization on the aripiprazole microcrystalline long-acting injection. Crystal form and particle size distribution were taken as inspection indicators in vitro, and process parameters were optimized. The formulation prepared by wet milling (AMLAI-WM) was shown to undergo a slight conversion of crystal form by DSC, PXRD, TG, FT-IR and have a wider particle size distribution with D50 and Span values of 2.967 μm and 3.457 compared to the formulation fabricated by jet pulverization (AMLAI-JP) with 2.887 μm and 2.258 respectively. In addition, the in vitro release of AMLAI-WM was faster, whereby the pharmacokinetic data indicated that AMLAI-WM was absorbed more quickly within five days with AUC0-5d of 5243.7 μg·L-1·h and 4818.28 μg·L-1·h, respectively. Furthermore, no statistically significant differences in Cmax, tmax and AUC between AMLAI-JP and the commercial formulation (Abilify Maintena™) were found. The absorption mechanism was studied and showed a 1.4-fold later Tmax after depletion of macrophages and significantly lower Cmax and AUC after inhibiting angiogenesis, indicating inflammatory granuloma could facilitate drug plasma exposure. Overall, we demonstrated that jet pulverization was a good strategy for long-acting microcrystalline injection, and that the absorption behavior was affected by both particle size distribution and inflammatory granuloma.
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Affiliation(s)
- Xueting Guo
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Maolian Zhang
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Yibin Guo
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Hao Liu
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Bing Yang
- Department of Traditional Chinese Pharmaceutics, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Jingxin Gou
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Tian Yin
- Department of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Yu Zhang
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Haibing He
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Dongchun Liu
- Department of Traditional Chinese Pharmaceutics, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Xing Tang
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110016, China.
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Review of Pharmacokinetics and Pharmacogenetics in Atypical Long-Acting Injectable Antipsychotics. Pharmaceutics 2021; 13:pharmaceutics13070935. [PMID: 34201784 PMCID: PMC8308912 DOI: 10.3390/pharmaceutics13070935] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/01/2021] [Accepted: 06/21/2021] [Indexed: 12/17/2022] Open
Abstract
Over the last two decades, pharmacogenetics and pharmacokinetics have been increasingly used in clinical practice in Psychiatry due to the high variability regarding response and side effects of antipsychotic drugs. Specifically, long-acting injectable (LAI) antipsychotics have different pharmacokinetic profile than oral formulations due to their sustained release characteristics. In addition, most of these drugs are metabolized by CYP2D6, whose interindividual genetic variability results in different metabolizer status and, consequently, into different plasma concentrations of the drugs. In this context, there is consistent evidence which supports the use of therapeutic drug monitoring (TDM) along with pharmacogenetic tests to improve safety and efficacy of antipsychotic pharmacotherapy. This comprehensive review aims to compile all the available pharmacokinetic and pharmacogenetic data regarding the three major LAI atypical antipsychotics: risperidone, paliperidone and aripiprazole. On the one hand, CYP2D6 metabolizer status influences the pharmacokinetics of LAI aripiprazole, but this relation remains a matter of debate for LAI risperidone and LAI paliperidone. On the other hand, developed population pharmacokinetic (popPK) models showed the influence of body weight or administration site on the pharmacokinetics of these LAI antipsychotics. The combination of pharmacogenetics and pharmacokinetics (including popPK models) leads to a personalized antipsychotic therapy. In this sense, the optimization of these treatments improves the benefit–risk balance and, consequently, patients’ quality of life.
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Pharmacokinetic Correlates of Once-Monthly Paliperidone Palmitate-Related Adverse Drug Reactions. Clin Pharmacokinet 2021; 60:1583-1589. [PMID: 34142360 DOI: 10.1007/s40262-021-01044-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/28/2021] [Indexed: 10/21/2022]
Abstract
OBJECTIVE The objective of this study was to investigate associations between pharmacokinetic correlates and once-monthly paliperidone palmitate (PP1M)-related adverse drug reactions (ADRs). METHODS Plasma concentrations and dose-adjusted plasma concentrations ('concentration-by-dose' [C/D]) of paliperidone from a naturalistic therapeutic drug monitoring database of PP1M-treated patients were compared between patients with ADRs, classified according to the Udvalg for Kliniske Undersogelser side-effect rating scales categories, and patients without ADRs. Analyses included non-parametric tests and a logistic regression model with a significance level set at 0.05. RESULTS In 172 patients, we found no differences in sex, age, smoking, body mass index, PP1M dose, paliperidone plasma concentrations, and C/D values (p > 0.05) between 44 patients with and 128 patients without PP1M-related ADRs. We did not detect differences when specifying for different types of ADRs (p > 0.05). Injection intervals were shorter in patients with vs patients without ADRs (p = 0.03). The logistic regression did not report effects for sex, plasma concentrations, or C/D values (p > 0.05). Post hoc analyses in male patients receiving PP1M every 28 weeks reported higher paliperidone concentrations and C/D values in patients with vs without ADRs (p = 0.049 and p = 0.022). Within the group of male patients, we found an odds ratio of 3.07 for PP1M-associated ADRs in patients with C/D values above 7.7 (ng/mL)/(mg/day). CONCLUSIONS Our findings did not reveal distinct patterns of paliperidone concentrations in patients with PP1M-related ADRs. However, male patients receiving PP1M every 28 days with C/D values higher than 7.7 (ng/mL)/(mg/day) showed a higher risk for ADRs, implying that therapeutic drug monitoring may be useful in assessing the risk of PP1M-related ADRs.
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Sharan S, Fang L, Lukacova V, Chen X, Hooker AC, Karlsson MO. Model-Informed Drug Development for Long-Acting Injectable Products: Summary of American College of Clinical Pharmacology Symposium. Clin Pharmacol Drug Dev 2021; 10:220-228. [PMID: 33624456 DOI: 10.1002/cpdd.928] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 01/30/2021] [Indexed: 01/12/2023]
Affiliation(s)
- Satish Sharan
- Division of Quantitative Methods and Modeling (DQMM), Office of Research and Standards (ORS), Office of Generic Drugs (OGD), Center for Drug Evaluation and Research (CDER), U.S. Food and Drug Administration (FDA), Silver Spring, Maryland, USA
| | - Lanyan Fang
- Division of Quantitative Methods and Modeling (DQMM), Office of Research and Standards (ORS), Office of Generic Drugs (OGD), Center for Drug Evaluation and Research (CDER), U.S. Food and Drug Administration (FDA), Silver Spring, Maryland, USA
| | - Viera Lukacova
- Simulation Sciences, Simulations Plus, Inc., Lancaster, CA, USA
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O'Donnell A, Rao S, Turkoz I, Gopal S, Kim E. Defining "Adequately Treated": A Post Hoc Analysis Examining Characteristics of Patients with Schizophrenia Successfully Transitioned from Once-Monthly Paliperidone Palmitate to Once-Every-3-Months Paliperidone Palmitate. Neuropsychiatr Dis Treat 2021; 17:1-9. [PMID: 33442251 PMCID: PMC7797315 DOI: 10.2147/ndt.s278298] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 11/26/2020] [Indexed: 11/23/2022] Open
Abstract
PURPOSE Paliperidone palmitate once every 3 months (PP3M) is indicated in adults with schizophrenia adequately treated with once-monthly paliperidone palmitate (PP1M) for at least 4 months, in whom the last two consecutive doses are the same. The decision of when to transition to PP3M is based on the patient's symptom status while receiving PP1M. PATIENTS AND METHODS In a double-blind relapse-prevention study (NCT01529515), patients who met Positive and Negative Syndrome Scale (PANSS) score stabilization criteria after 4 months of PP1M were eligible for transition to PP3M; those who continued to meet stabilization criteria after 12 weeks following an open-label PP3M dose were randomized to receive PP3M or placebo. We compared (post hoc) PANSS, Clinical Global Impression-Severity (CGI-S), and Personal and Social Performance (PSP) scores during the pre-randomization, open-label phase in patients in randomized versus non-randomized groups using analysis of variance or chi-square tests. RESULTS Of 506 patients enrolled, 305 were randomized. After 4 months' PP1M treatment, PANSS and CGI-S scores were significantly lower and PSP scores significantly higher in randomized patients versus non-randomized patients (least squares means [95% CI]: 57.1 [55.7, 58.6] vs 62.2 [60.0, 64.3], 2.9 [2.8, 3.1] vs 3.3 [3.1, 3.4], and 67.0 [65.7, 68.3] vs 64.5 [62.6, 66.4], respectively); changes from baseline between groups differed significantly (all P ≤0.009). CONCLUSION Confirming adequate stabilization with PP1M prior to transitioning to PP3M is critical in maximizing treatment response; clinicians should consider transitioning patients to PP3M only if patients respond well to PP1M for at least 4 months and their last two consecutive doses are the same.
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Affiliation(s)
- Amy O'Donnell
- Janssen Scientific Affairs, LLC, Titusville, NJ, USA
| | - Sanjai Rao
- Department of Psychiatry, University of California, San Diego, La Jolla, CA, USA
| | - Ibrahim Turkoz
- Janssen Research and Development, LLC, Titusville, NJ, USA
| | - Srihari Gopal
- Janssen Research and Development, LLC, Titusville, NJ, USA
| | - Edward Kim
- Janssen Scientific Affairs, LLC, Titusville, NJ, USA
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13
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Edinoff AN, Doppalapudi PK, Orellana C, Ochoa C, Patti S, Ghaffar Y, Cornett EM, Kaye AJ, Viswanath O, Urits I, Kaye AM, Kaye AD. Paliperidone 3-Month Injection for Treatment of Schizophrenia: A Narrative Review. Front Psychiatry 2021; 12:699748. [PMID: 34621193 PMCID: PMC8490677 DOI: 10.3389/fpsyt.2021.699748] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 08/23/2021] [Indexed: 11/13/2022] Open
Abstract
Given the typical age onset of schizophrenia, there are tremendous economic and social impacts that extend beyond the person and their families. One critical determinant of the diseases' impact is the patient's adherence to antipsychotic drug treatment. Approved in 2015 for the treatment of schizophrenia, paliperidone palmitate (Invega Trinza, a 3-month injection, noted as PP3M) is a second-generation long-acting injectable antipsychotic medication. Among the different formulations offered for palmitate paliperidone, including the 1 and 3-month formulations, the longer duration 3-month formulation was better at preventing relapse in schizophrenic patients. To date, different formulations of palmitate paliperidone that have been studied on relapse episodes of schizophrenia include once-daily extended-release oral paliperidone (ORAL paliperidone), once-monthly paliperidone palmitate (PP1M), and once-every-3-months paliperidone palmitate (PP3M). Post-hoc analyses show that patients who were withdrawn from PP1M paliperidone had the least risk of relapse, followed by patients withdrawn from PP3M and patients withdrawn from ORAL paliperidone. PP3M was better at preventing relapse compared to ORAL paliperidone. The results demonstrated that 50% of patients who were withdrawn from ORAL paliperidone, PP1M, or PP3M remained relapse-free for ~2, 6, and 13 months, respectively. Compared to PP1M, PP3M is just as safe and effective and has the added advantage of increased adherence related to a longer dose interval, decreasing the risk of relapse.
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Affiliation(s)
- Amber N Edinoff
- Department of Psychiatry and Behavioral Medicine, Louisiana State University Health Science Center Shreveport, Shreveport, LA, United States
| | - Prithvi K Doppalapudi
- Department of Psychiatry and Behavioral Medicine, Louisiana State University Health Science Center Shreveport, Shreveport, LA, United States
| | - Claudia Orellana
- Department of Psychiatry and Behavioral Medicine, Louisiana State University Health Science Center Shreveport, Shreveport, LA, United States
| | - Caroline Ochoa
- School of Medicine, Louisiana State University Shreveport, Shreveport, LA, United States
| | - Shelby Patti
- School of Medicine, Louisiana State University Shreveport, Shreveport, LA, United States
| | - Yahya Ghaffar
- School of Medicine, Louisiana State University Shreveport, Shreveport, LA, United States
| | - Elyse M Cornett
- Department of Anesthesiology, Louisiana State University Health Shreveport, Shreveport, LA, United States
| | - Aaron J Kaye
- Department of Anesthesiology, Medical University of South Carolina, Charleston, SC, United States
| | - Omar Viswanath
- College of Medicine, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, United States.,Department of Anesthesiology, Creighton University School of Medicine, Omaha, NE, United States.,Valley Anesthesiology and Pain Consultants - Envision Physician Services, Phoenix, AZ, United States
| | - Ivan Urits
- Department of Anesthesiology, Louisiana State University Health Shreveport, Shreveport, LA, United States.,Southcoast Health, Southcoast Physicians Group Pain Medicine, Wareham, MA, United States
| | - Adam M Kaye
- Thomas J. Long School of Pharmacy and Health Sciences, Department of Pharmacy Practice, University of the Pacific, Stockton, CA, United States
| | - Alan D Kaye
- Department of Anesthesiology, Louisiana State University Health Shreveport, Shreveport, LA, United States
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14
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Correll CU, Kim E, Sliwa JK, Hamm W, Gopal S, Mathews M, Venkatasubramanian R, Saklad SR. Pharmacokinetic Characteristics of Long-Acting Injectable Antipsychotics for Schizophrenia: An Overview. CNS Drugs 2021; 35:39-59. [PMID: 33507525 PMCID: PMC7873121 DOI: 10.1007/s40263-020-00779-5] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/23/2020] [Indexed: 12/13/2022]
Abstract
The availability of long-acting injectable (LAI) antipsychotics for the treatment of schizophrenia provides clinicians with options that deliver continuous drug exposure and may improve adherence compared with daily oral antipsychotics. However, all LAI antipsychotics have unique formulations and pharmacokinetic characteristics that have implications for medication selection, administration interval, and injection site. This review outlines key differences in drug formulations and pharmacokinetics among LAI antipsychotics. A systematic search of the PubMed database was conducted to identify physical and formulation properties and pharmacokinetic data of commercially available LAI antipsychotics, including flupentixol decanoate, fluphenazine decanoate, haloperidol decanoate, zuclopenthixol decanoate, aripiprazole monohydrate, aripiprazole lauroxil, olanzapine pamoate, paliperidone palmitate, risperidone microspheres, and risperidone polymeric microspheres. Additional information was obtained from package inserts and product monographs. Relevant data on drug properties, administration details, pharmacokinetic parameters, and oral dose equivalencies of LAI antipsychotics are summarized. Based on our analysis, formulation characteristics (e.g., vehicle medium) and administration characteristics (e.g., injection site) can affect rate of absorption and adverse effects and may factor into whether oral supplementation or an additional injection is needed. Dose adjustments may be necessary based on potential drug-drug interactions, and approximate dose equivalence with oral formulations can help inform titration when switching from oral to LAI formulations. Clinicians administering LAI antipsychotics should consider these formulation and pharmacokinetic factors to maximize clinical impact and to adjust to an individual patient's needs and treatment goals.
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Affiliation(s)
- Christoph U Correll
- Department of Psychiatry and Molecular Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA
- Division of Psychiatric Research, Zucker Hillside Hospital, Glen Oaks, NY, USA
- Department of Child and Adolescent Psychiatry, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Edward Kim
- Janssen Scientific Affairs, LLC, Titusville, NJ, USA
| | | | - Wayne Hamm
- Janssen Scientific Affairs, LLC, Spring Hill, TN, USA
| | - Srihari Gopal
- Janssen Research and Development, LLC, Titusville, NJ, USA
| | - Maju Mathews
- Janssen Research and Development, LLC, Titusville, NJ, USA
| | | | - Stephen R Saklad
- College of Pharmacy, Pharmacotherapy Division, The University of Texas at Austin, 7703 Floyd Curl Drive, MC 6220, San Antonio, TX, 78229-3900, USA.
- Long School of Medicine, Pharmacotherapy Education and Research Center, UT Health San Antonio, San Antonio, TX, 78229-3900, USA.
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15
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Nkanga CI, Fisch A, Rad-Malekshahi M, Romic MD, Kittel B, Ullrich T, Wang J, Krause RWM, Adler S, Lammers T, Hennink WE, Ramazani F. Clinically established biodegradable long acting injectables: An industry perspective. Adv Drug Deliv Rev 2020; 167:19-46. [PMID: 33202261 DOI: 10.1016/j.addr.2020.11.008] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 11/09/2020] [Accepted: 11/10/2020] [Indexed: 12/11/2022]
Abstract
Long acting injectable formulations have been developed to sustain the action of drugs in the body over desired periods of time. These delivery platforms have been utilized for both systemic and local drug delivery applications. This review gives an overview of long acting injectable systems that are currently in clinical use. These products are categorized in three different groups: biodegradable polymeric systems, including microparticles and implants; micro and nanocrystal suspensions and oil-based formulations. Furthermore, the applications of these drug delivery platforms for the management of various chronic diseases are summarized. Finally, this review addresses industrial challenges regarding the development of long acting injectable formulations.
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Affiliation(s)
- Christian Isalomboto Nkanga
- Center for Chemico- and Bio-Medicinal Research (CCBR), Department of Chemistry, Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa; Faculty of Pharmaceutical Sciences, University of Kinshasa, B.P. 212, Kinshasa, XI, Democratic Republic of the Congo; Technical Research and Development, Novartis Pharma AG, Basel 4002, Switzerland
| | - Andreas Fisch
- Technical Research and Development, Novartis Pharma AG, Basel 4002, Switzerland
| | - Mazda Rad-Malekshahi
- Department of Pharmaceutical Biomaterials and Medical Biomaterials Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Birgit Kittel
- Novartis Institute for Biomedical Research, Novartis Pharma AG, Basel 4002, Switzerland
| | - Thomas Ullrich
- Novartis Institute for Biomedical Research, Novartis Pharma AG, Basel 4002, Switzerland
| | - Jing Wang
- Technical Research and Development, Novartis Pharma AG, Basel 4002, Switzerland
| | - Rui Werner Maçedo Krause
- Center for Chemico- and Bio-Medicinal Research (CCBR), Department of Chemistry, Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa
| | - Sabine Adler
- Technical Research and Development, Novartis Pharma AG, Basel 4002, Switzerland
| | - Twan Lammers
- Department of Experimental Molecular Imaging, RWTH Aachen University, Aachen, Germany
| | - Wim E Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, the Netherlands
| | - Farshad Ramazani
- Technical Research and Development, Novartis Pharma AG, Basel 4002, Switzerland.
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16
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Chan Kwong AHXP, Calvier EAM, Fabre D, Gattacceca F, Khier S. Prior information for population pharmacokinetic and pharmacokinetic/pharmacodynamic analysis: overview and guidance with a focus on the NONMEM PRIOR subroutine. J Pharmacokinet Pharmacodyn 2020; 47:431-446. [PMID: 32535847 PMCID: PMC7520416 DOI: 10.1007/s10928-020-09695-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 06/08/2020] [Indexed: 12/13/2022]
Abstract
Abstract Population pharmacokinetic analysis is used to estimate pharmacokinetic parameters and their variability from concentration data. Due to data sparseness issues, available datasets often do not allow the estimation of all parameters of the suitable model. The PRIOR subroutine in NONMEM supports the estimation of some or all parameters with values from previous models, as an alternative to fixing them or adding data to the dataset. From a literature review, the best practices were compiled to provide a practical guidance for the use of the PRIOR subroutine in NONMEM. Thirty-three articles reported the use of the PRIOR subroutine in NONMEM, mostly in special populations. This approach allowed fast, stable and satisfying modelling. The guidance provides general advice on how to select the most appropriate reference model when there are several previous models available, and to implement and weight the selected parameter values in the PRIOR function. On the model built with PRIOR, the similarity of estimates with the ones of the reference model and the sensitivity of the model to the PRIOR values should be checked. Covariates could be implemented a priori (from the reference model) or a posteriori, only on parameters estimated without prior (search for new covariates). Graphic abstract ![]()
Electronic supplementary material The online version of this article (10.1007/s10928-020-09695-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Anna H-X P Chan Kwong
- Pharmacokinetic and Modeling Department, School of Pharmacy, Montpellier University, Montpellier, France.
- Probabilities and Statistics Department, Institut Montpelliérain Alexander Grothendieck (IMAG), UMR 5149, CNRS, Montpellier University, Montpellier, France.
- SMARTc group, Inserm, CNRS, Institut Paoli-Calmettes, CRCM, Aix-Marseille University, Marseille, France.
- Pharmacokinetics-Dynamics and Metabolism (PKDM), Sanofi R&D, Translational Medicine and Early Development, Montpellier, France.
| | - Elisa A M Calvier
- Pharmacokinetics-Dynamics and Metabolism (PKDM), Sanofi R&D, Translational Medicine and Early Development, Montpellier, France
| | - David Fabre
- Pharmacokinetics-Dynamics and Metabolism (PKDM), Sanofi R&D, Translational Medicine and Early Development, Montpellier, France
| | - Florence Gattacceca
- SMARTc group, Inserm, CNRS, Institut Paoli-Calmettes, CRCM, Aix-Marseille University, Marseille, France
| | - Sonia Khier
- Pharmacokinetic and Modeling Department, School of Pharmacy, Montpellier University, Montpellier, France
- Probabilities and Statistics Department, Institut Montpelliérain Alexander Grothendieck (IMAG), UMR 5149, CNRS, Montpellier University, Montpellier, France
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17
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Death following an intramuscular injection of paliperidone: A case report. TOXICOLOGIE ANALYTIQUE ET CLINIQUE 2020. [DOI: 10.1016/j.toxac.2019.10.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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18
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Pharmacokinetic-Pharmacodynamic Characterization of Relapse Risk for Paliperidone Palmitate 1-Month and 3-Month Formulations. J Clin Psychopharmacol 2020; 39:567-574. [PMID: 31688450 DOI: 10.1097/jcp.0000000000001137] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Pharmacokinetic-pharmacodynamic (PK/PD) models were developed to describe the relationship between the time course of paliperidone plasma concentrations and the risk of relapse of schizophrenia symptoms following administration of paliperidone palmitate 1-month (PP1M) and 3-month (PP3M) long-acting injectables, and to identify relevant covariates for relapse and dropout events. METHODS Patient data from two global phase 3, relapse prevention studies comparing PP3M to placebo (study A) and PP3M to PP1M (study B) were analyzed. Dropout and relapse data were assessed using survival analysis as two separate single time-to-event models. Baseline covariates included age, sex, race/country, duration of illness, previous hospitalizations, prior use of long-acting injectables and use of multiple (≥2) antipsychotics at screening. RESULTS The PK/PD analysis data set included 305 patients who were randomized to receive PP3M or placebo in the double-blind phase of study A and 1002 patients randomized to receive PP3M or PP1M in the double-blind phase of study B. Risk of relapse decreased with increasing paliperidone concentrations for both PP1M and PP3M, while it appeared to increase in patients with higher number of previous hospitalizations and/or with higher prerandomization (trough) paliperidone concentration (study A), and in patients on concomitant benzodiazepine medication and/or at Japan centers (study B). These findings are reflective of different illness severity in the population and of differences in medical practice for Japanese patients. In model-based simulations, PP3M and PP1M displayed similar relapse rates over time. CONCLUSIONS This PK/PD analysis confirmed that PP1M and PP3M provide comparable efficacy in terms of relapse prevention, and that PP3M is superior to placebo. The PK/PD models presented here may as well be applied to studies with similar designs as either study A or B.
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19
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Claerhout B, Kalra D, Mueller C, Singh G, Ammour N, Meloni L, Blomster J, Hopley M, Kafatos G, Garvey A, Kuhn P, Lewi M, Vannieuwenhuyse B, Marchal B, Patel K, Schindler C, Sundgren M. Federated electronic health records research technology to support clinical trial protocol optimization: Evidence from EHR4CR and the InSite platform. J Biomed Inform 2019; 90:103090. [DOI: 10.1016/j.jbi.2018.12.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 10/30/2018] [Accepted: 12/21/2018] [Indexed: 01/24/2023]
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20
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Jann MW, Penzak SR. Long-Acting Injectable Second-Generation Antipsychotics: An Update and Comparison Between Agents. CNS Drugs 2018; 32:241-257. [PMID: 29569082 DOI: 10.1007/s40263-018-0508-6] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Schizophrenia is a chronic medical condition with periods of remission and relapses over a patient's lifetime. Antipsychotic medications represent the mainstay of treatment for this disease. Long-acting injectable (LAI) formulations of antipsychotics are an attractive alternative to their oral counterparts, as they enhance patient adherence. A number of second-generation antipsychotics (SGAs) are available in LAI formulations. These include paliperidone, aripiprazole, olanzapine, and risperidone. This article reviews the most recently developed and approved of these formulations-aripiprazole monohydrate, aripiprazole lauroxil, and paliperidone palmitate. While all were initially available as once-monthly formulations, a paliperidone palmitate 3-monthly injection formulation has been approved and is the first LAI agent to extend the dosing administration beyond the typical monthly time period. In addition, aripiprazole lauroxil every 6-week and 8-week administration preparations have been developed. LAI preparations of the SGAs have all demonstrated superiority over placebo and are comparable to their oral counterparts in terms of safety and tolerability, if injection site reactions are not taken into account. First-generation antipsychotic LAI preparations (e.g., haloperidol decanoate) have recently been compared with SGA LAI agents, and both formulations demonstrated comparable efficacy with the expected adverse events seen with each drug. Despite their availability, barriers to the use of LAIs remain. Education of both patients and clinicians on the use of LAI formulations and the continued development of these agents are important steps in ensuring these medications are available to the patients they would be most likely to benefit.
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Affiliation(s)
- Michael W Jann
- Department of Pharmacotherapy, University of North Texas System College of Pharmacy (UNTSCP), University of North Texas Health Science Center (UNTHSC), 3500 Camp Bowie Blvd., Fort Worth, TX, 76107, USA.
| | - Scott R Penzak
- Department of Pharmacotherapy, University of North Texas System College of Pharmacy (UNTSCP), University of North Texas Health Science Center (UNTHSC), 3500 Camp Bowie Blvd., Fort Worth, TX, 76107, USA
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21
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Mathews M, Nuamah I, Savitz AJ, Hough DW, Najarian D, Kim E, Gopal S. Time to onset and time to resolution of extrapyramidal symptoms in patients with exacerbated schizophrenia treated with 3-monthly vs once-monthly paliperidone palmitate. Neuropsychiatr Dis Treat 2018; 14:2807-2816. [PMID: 30498351 PMCID: PMC6207222 DOI: 10.2147/ndt.s175364] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE The aim of this study was to evaluate the safety of 3-monthly paliperidone palmitate (PP3M) vs once-monthly paliperidone palmitate (PP1M) treatment with regard to extrapyramidal symptom (EPS)-related treatment-emergent adverse events (TEAEs) in patients with schizophrenia, previously stabilized on PP1M treatment. PATIENTS AND METHODS Data on overall incidence, time to onset (TTO), and time to resolution (TTR) of EPS-related TEAEs (overall, subclasses such as dyskinesia, dystonia, hyperkinesia, parkinsonism, and tremor) from a randomized double-blind (DB) non-inferiority study were compared between PP3M and PP1M. Subgroup analysis was performed by age (18-25, 26-50, and 50+ years) and final open-label (OL) dose (50/75, 100, and 150 mg eq.). RESULTS Overall incidence of spontaneously reported EPS-related TEAEs decreased from 12.6% (PP1M) in OL phase to 8.3% (PP3M) and 7.4% (PP1M) in the DB phase; overall median TTO and TTR values were comparable between both groups. Among patients with reported EPS-related TEAEs, the median TTO for all EPS-related TEAEs was 17 days (PP1M) in OL phase and 115 days (PP3M) and 98.5 days (PP1M) in DB phase; median TTR was 36.5 days (PP1M) in OL phase and 91 days (PP3M) and 85.5 days (PP1M) in DB phase. No clear dose- or age-related differences in TTO and TTR of EPS-related TEAEs were noted. CONCLUSION Despite differences in apparent half-life and pharmacokinetic profiles (peak plasma exposure of PP3M formulation is 70% higher than that of PP1M formulation), both PP3M and PP1M formulations exhibited comparable incidence of EPS-related TEAEs, TTO, and TTR in patients with schizophrenia.
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Affiliation(s)
- Maju Mathews
- Janssen Research and Development, LLC, Titusville, NJ, USA,
| | - Isaac Nuamah
- Janssen Research and Development, LLC, Titusville, NJ, USA,
| | - Adam J Savitz
- Janssen Research and Development, LLC, Titusville, NJ, USA,
| | - David W Hough
- Janssen Research and Development, LLC, Titusville, NJ, USA,
| | - Dean Najarian
- Janssen Scientific Affairs, Titusville, LLC, NJ, USA
| | - Edward Kim
- Janssen Scientific Affairs, Titusville, LLC, NJ, USA
| | - Srihari Gopal
- Janssen Research and Development, LLC, Titusville, NJ, USA,
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22
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Magnusson MO, Samtani MN, Plan EL, Jonsson EN, Rossenu S, Vermeulen A, Russu A. Dosing and Switching Strategies for Paliperidone Palmitate 3-Month Formulation in Patients with Schizophrenia Based on Population Pharmacokinetic Modeling and Simulation, and Clinical Trial Data. CNS Drugs 2017; 31:273-288. [PMID: 28258365 DOI: 10.1007/s40263-017-0416-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Paliperidone palmitate 3-month formulation (PP3M), a long-acting injectable atypical antipsychotic, was recently approved in the US and Europe for the treatment of schizophrenia in adult patients who have already been treated with paliperidone palmitate 1-month formulation (PP1M) for ≥4 months. This article reviews the pharmacokinetic rationale for the approved dosing regimens for PP3M, dosing windows, management of missed doses and treatment discontinuation, switching to other formulations, and dosing in special populations. Approved PP3M dosing regimens are based on the comparisons of simulations with predefined dosing regimens using paliperidone palmitate and oral paliperidone extended release (ER) population pharmacokinetic models (one-compartment model with two saturable absorption processes for PP3M; one-compartment model with parallel zero- and first-order absorption for PP1M; two-compartment model with sequential zero- and first-order absorption for ER) versus clinical trial data. Covariates were obtained by resampling subject covariates from the pharmacokinetics database for PP1M and PP3M. Simulation scenarios with varying doses and covariate values were generated. The population median and 90% prediction interval of the simulated concentration-time profiles were plotted for simulation outcomes evaluation. Simulations described in this paper provide (a) simulated plasma exposures for switching from PP1M to PP3M, (b) support for a once-every-3-months injection cycle, (c) information on dosing windows and managing missed doses of PP3M, (d) important guidance on PP3M dosing in special patient populations, and (e) key PP3M pharmacokinetic exposure metrics based on the population pharmacokinetic PP3M model. Population pharmacokinetics provided practical guidance to establish dosing regimens for PP3M.
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Affiliation(s)
- Mats O Magnusson
- Pharmetheus, U-A Science Park, Dag Hammarskjölds v. 52b, 752 37, Uppsala, Sweden.
| | | | - Elodie L Plan
- Pharmetheus, U-A Science Park, Dag Hammarskjölds v. 52b, 752 37, Uppsala, Sweden
| | - E Niclas Jonsson
- Pharmetheus, U-A Science Park, Dag Hammarskjölds v. 52b, 752 37, Uppsala, Sweden
| | - Stefaan Rossenu
- Janssen Research & Development, A Division of Janssen Pharmaceutica NV, Beerse, Belgium
| | - An Vermeulen
- Janssen Research & Development, A Division of Janssen Pharmaceutica NV, Beerse, Belgium
| | - Alberto Russu
- Janssen Research & Development, A Division of Janssen Pharmaceutica NV, Beerse, Belgium
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23
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Mauri MC, Reggiori A, Paletta S, Di Pace C, Altamura AC. Paliperidone for the treatment of schizophrenia and schizoaffective disorders - a drug safety evaluation. Expert Opin Drug Saf 2017; 16:365-379. [PMID: 28140680 DOI: 10.1080/14740338.2017.1288716] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Paliperidone, the major active metabolite of risperidone, is a second-generation antipsychotic that has been developed as an extended-release (ER) oral formulation and a long-acting injectable paliperidone palmitate (PP) formulation. Paliperidone has demonstrated efficacy in the reduction of acute schizophrenia symptoms and clinical benefits were maintained also in the long-term treatments. Paliperidone ER and PP are generally well tolerated with a predictable adverse event profile. Areas covered: Data from studies evaluating safety and tolerability in the acute and maintenance treatment of schizophrenia with paliperidone are reviewed. The reported treatment-emergent adverse events of these formulations are discussed. Expert opinion: In the treatment of schizophrenia and schizoaffective disorders the safety profile has a central role because it can enhance patient compliance. In fact treatment-emergent adverse events are one of the main causes of discontinuation in these patients. In particular the main limitation in the administration of paliperidone could be represented by the onset of hyperprolactinemia (especially in women) and of mild parkinsonism. Paliperidone has a high impact on current long-term drug strategies, especially given the new 3 month long-acting injectable formulation of PP.
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Affiliation(s)
- M C Mauri
- a Department of Neuroscience and Mental Health, Clinical Psychopharmacology Unit , Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico , Milan , Italy
| | - A Reggiori
- a Department of Neuroscience and Mental Health, Clinical Psychopharmacology Unit , Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico , Milan , Italy
| | - S Paletta
- a Department of Neuroscience and Mental Health, Clinical Psychopharmacology Unit , Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico , Milan , Italy
| | - C Di Pace
- a Department of Neuroscience and Mental Health, Clinical Psychopharmacology Unit , Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico , Milan , Italy
| | - A C Altamura
- a Department of Neuroscience and Mental Health, Clinical Psychopharmacology Unit , Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico , Milan , Italy
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