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Distribution of a highly lipophilic drug cannabidiol into different lymph nodes following oral administration in lipidic vehicle

Jewell, Adelaide; Brookes, Alice; Feng, Wanshan; Ashford, Marianne; Gellert, Paul; Butler, James; Fischer, Peter M.; Scurr, David J.; Stocks, Michael J.; Gershkovich, Pavel

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Authors

Adelaide Jewell

Alice Brookes

Wanshan Feng

Marianne Ashford

Paul Gellert

James Butler

Peter M. Fischer

DAVID SCURR DAVID.SCURR@NOTTINGHAM.AC.UK
Principal Research Fellow

MICHAEL STOCKS MICHAEL.STOCKS@NOTTINGHAM.AC.UK
Professor of Medicinal Chemistry and Drug Discovery



Abstract

Efficient delivery of highly lipophilic drugs or prodrugs to the mesenteric lymph nodes (MLN) can be achieved following oral administration with lipids. However, it remains unclear which specific MLN can be targeted and to what extent. Moreover, the efficiency of drug delivery to the retroperitoneal lymph nodes (RPLN) has not been assessed. The aim of this study was to assess the distribution of a highly lipophilic model drug cannabidiol (CBD), known to undergo intestinal lymphatic transport following administration with lipids, into specific MLN and RPLN in rats at various time-points post dosing. In vivo studies showed that at 2 h following administration, significantly higher concentrations of CBD were present in the region second from the apex of the MLN chain. From 3 h following administration, concentrations in all MLN were similar. CBD was also found at substantial levels in RPLN. This study demonstrates that drug concentrations in specific MLN are different, at least at the peak of the absorption process. Moreover, in addition to the MLN, the RPLN may also be targeted by oral route of administration, which may have further implications for treatment of a range of diseases.

Journal Article Type Article
Acceptance Date Mar 27, 2022
Online Publication Date Apr 1, 2022
Publication Date May 1, 2022
Deposit Date Mar 28, 2022
Publicly Available Date Apr 2, 2023
Journal European Journal of Pharmaceutics and Biopharmaceutics
Electronic ISSN 1873-3441
Publisher Elsevier BV
Peer Reviewed Peer Reviewed
Volume 174
Pages 29-34
DOI https://doi.org/10.1016/j.ejpb.2022.03.014
Keywords Pharmaceutical Science; General Medicine; Biotechnology
Public URL https://nottingham-repository.worktribe.com/output/7675476
Publisher URL https://www.sciencedirect.com/science/article/pii/S0939641122000625

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