2-Hydroxypropyl-β-cyclodextrin-enhanced pharmacokinetics of cabotegravir from a nanofluidic implant for HIV pre-exposure prophylaxis.
Cabotegravir
Formulation
HIV
Implant
PrEP
Journal
Journal of controlled release : official journal of the Controlled Release Society
ISSN: 1873-4995
Titre abrégé: J Control Release
Pays: Netherlands
ID NLM: 8607908
Informations de publication
Date de publication:
28 07 2019
28 07 2019
Historique:
received:
21
03
2019
revised:
14
05
2019
accepted:
23
05
2019
pubmed:
29
5
2019
medline:
15
9
2020
entrez:
29
5
2019
Statut:
ppublish
Résumé
Preexposure prophylaxis (PrEP) with antiretrovirals (ARV) can prevent human immunodeficiency virus (HIV) transmission, but its efficacy is highly dependent on strict patient adherence to daily dosing regimen. Long-acting (LA) ARV formulations or delivery systems that reduce dosing frequency may increase adherence and thus PrEP efficacy. While cabotegravir (CAB) long-acting injectable (CAB LA), an integrase strand transfer inhibitor (INSTI), reduces dosing frequency to bimonthly injections, variable pharmacokinetics (PK) between patients and various adverse reactions necessitate improvement in delivery methods. Here we developed a subcutaneously implantable nanofluidic device for the sustained delivery of CAB formulated with 2-hydroxypropyl-β-cyclodextrin (βCAB) and examined the pharmacokinetics (PK) in Sprague-Dawley rats for 3 months in comparison to CAB. Our study demonstrated βCAB treatment group maintained clinically-relevant plasma CAB concentrations 2 times above the protein-adjusted concentration that inhibits viral replication by 90% (2 × PA-IC
Identifiants
pubmed: 31136811
pii: S0168-3659(19)30301-3
doi: 10.1016/j.jconrel.2019.05.037
pmc: PMC8591786
mid: NIHMS1750592
pii:
doi:
Substances chimiques
Anti-HIV Agents
0
Pyridones
0
2-Hydroxypropyl-beta-cyclodextrin
1I96OHX6EK
cabotegravir
HMH0132Z1Q
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
89-96Subventions
Organisme : NIAID NIH HHS
ID : R01 AI120749
Pays : United States
Informations de copyright
Copyright © 2019 Elsevier B.V. All rights reserved.
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