Transdermal Delivery of α-Aminophosphonates as Semisolid Formulations—An In Vitro-Ex Vivo Study

α-Aminophosphonates are organophosphorus compounds with an obvious similarity with α-amino acids. Owing to their biological and pharmacological characteristics, they have attracted the attention of many medicinal chemists. α-Aminophosphonates are known to exhibit antiviral, antitumor, antimicrobial,...

Full description

Bibliographic Details
Main Authors: Dorottya Kocsis, Petra Regina Varga, Rusul Keshwan, Mina Nader, Miléna Lengyel, Pál Szabó, István Antal, Károly Kánai, György Keglevich, Franciska Erdő
Format: Article
Language:English
Published: MDPI AG 2023-05-01
Series:Pharmaceutics
Subjects:
Online Access:https://www.mdpi.com/1999-4923/15/5/1464
_version_ 1797598653062316032
author Dorottya Kocsis
Petra Regina Varga
Rusul Keshwan
Mina Nader
Miléna Lengyel
Pál Szabó
István Antal
Károly Kánai
György Keglevich
Franciska Erdő
author_facet Dorottya Kocsis
Petra Regina Varga
Rusul Keshwan
Mina Nader
Miléna Lengyel
Pál Szabó
István Antal
Károly Kánai
György Keglevich
Franciska Erdő
author_sort Dorottya Kocsis
collection DOAJ
description α-Aminophosphonates are organophosphorus compounds with an obvious similarity with α-amino acids. Owing to their biological and pharmacological characteristics, they have attracted the attention of many medicinal chemists. α-Aminophosphonates are known to exhibit antiviral, antitumor, antimicrobial, antioxidant and antibacterial activities, which can all be important in pathological dermatological conditions. However, their ADMET properties are not well studied. The aim of the current study was to provide preliminary information about the skin penetration of three preselected α-aminophosphonates when applying them as topical cream formulations in static and dynamic diffusion chambers. The results indicate that aminophosphonate <b>1a</b>, without any substituent in the para position, shows the best release from the formulation and the highest absorption through the excised skin. However, based on our previous study, the in vitro pharmacological potency was higher in the case of para-substituted molecules <b>1b</b> and <b>1c</b>. The particle size and rheological studies revealed that the 2% cream of aminophosphonate <b>1a</b> was the most homogenous formulation. In conclusion, the most promising molecule was <b>1a</b>, but further experiments are proposed to uncover the possible transporter interactions in the skin, optimize the topical formulations and improve PK/PD profiles in case of transdermal delivery.
first_indexed 2024-03-11T03:24:09Z
format Article
id doaj.art-2d31ee8581e2479d9482d5fdc4bf1aac
institution Directory Open Access Journal
issn 1999-4923
language English
last_indexed 2024-03-11T03:24:09Z
publishDate 2023-05-01
publisher MDPI AG
record_format Article
series Pharmaceutics
spelling doaj.art-2d31ee8581e2479d9482d5fdc4bf1aac2023-11-18T02:51:57ZengMDPI AGPharmaceutics1999-49232023-05-01155146410.3390/pharmaceutics15051464Transdermal Delivery of α-Aminophosphonates as Semisolid Formulations—An In Vitro-Ex Vivo StudyDorottya Kocsis0Petra Regina Varga1Rusul Keshwan2Mina Nader3Miléna Lengyel4Pál Szabó5István Antal6Károly Kánai7György Keglevich8Franciska Erdő9Faculty of Information Technology and Bionics, Pázmány Péter Catholic University, Práter u. 50a, H-1083 Budapest, HungaryDepartment of Organic Chemistry and Technology, Budapest University of Technology and Economics, H-1521 Budapest, HungaryFaculty of Information Technology and Bionics, Pázmány Péter Catholic University, Práter u. 50a, H-1083 Budapest, HungaryFaculty of Information Technology and Bionics, Pázmány Péter Catholic University, Práter u. 50a, H-1083 Budapest, HungaryDepartment of Pharmaceutics, Semmelweis University, H-1092 Budapest, HungaryCentre for Structural Study, Research Centre for Natural Sciences, H-1117 Budapest, HungaryDepartment of Pharmaceutics, Semmelweis University, H-1092 Budapest, HungaryDepartment of Organic Chemistry and Technology, Budapest University of Technology and Economics, H-1521 Budapest, HungaryDepartment of Organic Chemistry and Technology, Budapest University of Technology and Economics, H-1521 Budapest, HungaryFaculty of Information Technology and Bionics, Pázmány Péter Catholic University, Práter u. 50a, H-1083 Budapest, Hungaryα-Aminophosphonates are organophosphorus compounds with an obvious similarity with α-amino acids. Owing to their biological and pharmacological characteristics, they have attracted the attention of many medicinal chemists. α-Aminophosphonates are known to exhibit antiviral, antitumor, antimicrobial, antioxidant and antibacterial activities, which can all be important in pathological dermatological conditions. However, their ADMET properties are not well studied. The aim of the current study was to provide preliminary information about the skin penetration of three preselected α-aminophosphonates when applying them as topical cream formulations in static and dynamic diffusion chambers. The results indicate that aminophosphonate <b>1a</b>, without any substituent in the para position, shows the best release from the formulation and the highest absorption through the excised skin. However, based on our previous study, the in vitro pharmacological potency was higher in the case of para-substituted molecules <b>1b</b> and <b>1c</b>. The particle size and rheological studies revealed that the 2% cream of aminophosphonate <b>1a</b> was the most homogenous formulation. In conclusion, the most promising molecule was <b>1a</b>, but further experiments are proposed to uncover the possible transporter interactions in the skin, optimize the topical formulations and improve PK/PD profiles in case of transdermal delivery.https://www.mdpi.com/1999-4923/15/5/1464α-aminophosphonatestransdermal penetrationtopical formulationskin-on-a-chiprheologydroplet size distribution
spellingShingle Dorottya Kocsis
Petra Regina Varga
Rusul Keshwan
Mina Nader
Miléna Lengyel
Pál Szabó
István Antal
Károly Kánai
György Keglevich
Franciska Erdő
Transdermal Delivery of α-Aminophosphonates as Semisolid Formulations—An In Vitro-Ex Vivo Study
Pharmaceutics
α-aminophosphonates
transdermal penetration
topical formulation
skin-on-a-chip
rheology
droplet size distribution
title Transdermal Delivery of α-Aminophosphonates as Semisolid Formulations—An In Vitro-Ex Vivo Study
title_full Transdermal Delivery of α-Aminophosphonates as Semisolid Formulations—An In Vitro-Ex Vivo Study
title_fullStr Transdermal Delivery of α-Aminophosphonates as Semisolid Formulations—An In Vitro-Ex Vivo Study
title_full_unstemmed Transdermal Delivery of α-Aminophosphonates as Semisolid Formulations—An In Vitro-Ex Vivo Study
title_short Transdermal Delivery of α-Aminophosphonates as Semisolid Formulations—An In Vitro-Ex Vivo Study
title_sort transdermal delivery of α aminophosphonates as semisolid formulations an in vitro ex vivo study
topic α-aminophosphonates
transdermal penetration
topical formulation
skin-on-a-chip
rheology
droplet size distribution
url https://www.mdpi.com/1999-4923/15/5/1464
work_keys_str_mv AT dorottyakocsis transdermaldeliveryofaaminophosphonatesassemisolidformulationsaninvitroexvivostudy
AT petrareginavarga transdermaldeliveryofaaminophosphonatesassemisolidformulationsaninvitroexvivostudy
AT rusulkeshwan transdermaldeliveryofaaminophosphonatesassemisolidformulationsaninvitroexvivostudy
AT minanader transdermaldeliveryofaaminophosphonatesassemisolidformulationsaninvitroexvivostudy
AT milenalengyel transdermaldeliveryofaaminophosphonatesassemisolidformulationsaninvitroexvivostudy
AT palszabo transdermaldeliveryofaaminophosphonatesassemisolidformulationsaninvitroexvivostudy
AT istvanantal transdermaldeliveryofaaminophosphonatesassemisolidformulationsaninvitroexvivostudy
AT karolykanai transdermaldeliveryofaaminophosphonatesassemisolidformulationsaninvitroexvivostudy
AT gyorgykeglevich transdermaldeliveryofaaminophosphonatesassemisolidformulationsaninvitroexvivostudy
AT franciskaerdo transdermaldeliveryofaaminophosphonatesassemisolidformulationsaninvitroexvivostudy