Cited by 48Schizophrenia research and treatmentIntramuscular injections and effectsPharmaceutical studies and practices

A single‐dose, open‐label, parallel, randomized, dose‐proportionality study of paliperidone after intramuscular injections of paliperidone palmitate in the deltoid or gluteal muscle in patients with schizophrenia

Cleton, Adriaan, Rossenu, Stefaan, Crauwels, Herta, Berwaerts, Joris, Hough, David, Gopal, Srihari, Eerdekens, Marielle, Vandebosch, An +3 more·2014·The Journal of Clinical Pharmacology

Abstract

Paliperidone palmitate (PP) is a long‐acting injectable (LAI) antipsychotic, developed for monthly intramuscular (i.m.) administration into deltoid/gluteal muscle, approved for the treatment of schizophrenia in many countries. To assess the options for i.m. injection sites, dose‐proportionality of PP was investigated after injection of a single dose (25–150 mg eq.) of PP in either gluteal (n = 106) or deltoid (n = 95) muscle of schizophrenic patients. Overall, mean (geometric) area under plasma concentration–time curve from time zero to infinity (AUC∞) of paliperidone increased proportionally with increasing PP doses, regardless of injection site. Mean maximum plasma concentration (C max) was slightly less than dose‐proportional for both injection sites at PP doses >50 mg eq. Mean C max was higher after injection in the deltoid compared with the gluteal muscle, except for the 100 mg eq. dose, while AUC∞ for both injection sites was comparable at all doses. Median time to reach C max (t max) ranged from 13–14 days after deltoid and 13–17 days after gluteal injection across all doses. Single PP injections in deltoid and gluteal muscles in the dose range of 25–150 mg eq. were generally tolerable both locally and systemically.

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Crossref · 10.1002/jcph.295

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Authors
Cleton, A., Rossenu, S., Crauwels, H., Berwaerts, J., Hough, D., Gopal, S., Eerdekens, M., Vandebosch, A., Remmerie, B., De Meulder, M., & Fernández, C. M. R.
Affiliations
  • Janssen (Belgium) (BE)
  • Janssen Research & Development (United States) (US)
  • Janssen Research & Development Division of Janssen Pharmaceutica NV Beerse Belgium
  • University Hospital of Bellvitge Barcelona Spain
Venue
The Journal of Clinical Pharmacology
Publisher
Wiley
Published
2014-04-03
Volume
54
Issue
9
Pages
1048-1057
ISSN
  • 0021-9754 (ISSN-L)
  • 0091-2700
  • 1552-4604
OpenAlex
W1600870989
Cited by
48
References
31
Citations by year
2026: 3 · 2025: 6 · 2024: 2 · 2023: 2 · 2022: 4 · 2021: 3 · 2020: 4 · 2019: 2 · 2018: 5 · 2017: 5 · 2016: 8 · 2015: 3 · 2014: 1
FWCI
4.32
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Clinical Pharmacology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Janssen Research and Development
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Health Sciences › Medicine › Emergency Medicine › Intramuscular injections and effects
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Pharmaceutical studies and practices
Keywords
paliperidone palmitate, paliperidone, long-acting injectable antipsychotics, intramuscular injection, injection site, deltoid muscle, gluteal muscles, dose proportionality, schizophrenia, pharmacokinetics, AUC, Cmax, Tmax, tolerability
MeSH terms
Paliperidone Palmitate, Adult, Buttocks, Female, Humans, Injections, Intramuscular, Isoxazoles, Male, Middle Aged, Psychiatric Status Rating Scales, Pyrimidines, Schizophrenia, Shoulder, Antipsychotic Agents, Muscle, Skeletal

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