Nanotechnological and material science for diabetics and advanced transdermal delivery. La délivrance transdermique des médicaments par la nanotechnologie et la science des matériaux : de nouvelles avancées pour la médicine personnalisée du diabète

Archive ouverte : Thèse

Voronova, Anna

Edité par CCSD

Advances in materials science and nanotechnology have allowed the refinements of current drug delivery systems, expected to facilitate the development of personalized medicine (PM). Nanotechnology is the foundation of new generations of nano- andmicro-electromechanical systems for controlled antidiabetic drug delivery. Today, drugs can be administered by many routes, such as buccal, oral, rectal, parenteral, and mucous membranes. Another highly relevant route of drug administration for diabetic personalized medicine is the transdermal route. This route offers the advantage of being able to administer drugs which are little or not tolerated when ingested or inhaled, and also of avoiding their degradation by the gastrointestinal system. Transdermal delivery systems (TDS) using nanotechnology are realistically becoming a key delivery mode for implementing PM. Additionally, TDS, if non-invasive, may ameliorate the therapeutic efficacy of the drug by improving patient adherence. However, the administration of drugs by TDS, in a controlled manner and on demand, remains a technological barrier to be overcome. In this thesis, we investigated different approaches to control the non-invasive TDS delivery of insulin, metformin and ramipril, such as the use of heat in combination with graphene oxide matrices. In vitro and in vivo tests were carried out to evaluate the effectiveness of the proposed concepts. In addition, mats of electrospun fibers with incorporated graphene have been investigated for oral rather than transdermal drug delivery. Furthermore, the use of nanostructures to inhibit the aggregation of IAPP (Islet Amyloid Polypeptide) and the first promising results will be discussed. . Les avancées remarquables qui ont été réalisées ces dernières années dans la science des matériaux et dans la nanotechnologie, ont permis de faire des progrès importants dans les modes de délivrance de médicaments, et ainsi de progresser dans le développement de la médecine personnalisée (MP). Aujourd’hui, des médicaments peuvent être administrés par de nombreuses voies, comme la voie buccale, orale, rectale, parentérale et des muqueuses. Une autre voie d’administration de médicaments extrêmement pertinente pour la MP du diabète est la voie transdermique (TDS). Cette voie offre un avantage de pouvoir administrer des médicaments qui sont peu ou pas tolérés lorsqu’ils sont ingérés ou inhalés, et aussi d’éviter leur dégradation par le système gastro-intestinale. En plus, la TDS, si elle est non-invasive, peut améliorer l’efficacité thérapeutique du médicament en améliorant adhésion thérapeutique des patients. Cependant, l'administration de médicaments par TDS, de manière contrôlée et à la demande, reste un verrou technologique à surmonter. Dans cette thèse, nous avons étudié différentes approches permettant de contrôler la délivrance non-invasive TDS d'insuline, de metformine et de ramipril, comme l'utilisation de la chaleur en combinaison avec des matrices d'oxyde de graphène. Des tests in vitro et in vivo ont été réalisés pour évaluer l'efficacité des concepts proposés. De plus, des tapis de fibres électrofilées avec du graphène incorporé ont été étudiés pour l'administration de médicaments par voie buccale plutôt que par voie transdermique. En outre, l'utilisation de nanostructures pour inhiber l'agrégation de l'IAPP (Islet Amyloid Polypeptide) et les premiers résultats prometteurs sont discutés.

Consulter en ligne

Suggestions

Du même auteur

Photothermal Activatable Mucoadhesive Fiber Mats for On-Demand Delivery of ...

Archive ouverte: Article de revue

Voronova, Anna | 2022-02-21

International audience. Electrospun fiber mats loaded with therapeutics have gained considerable attention as a versatile tool in the biomedical field. While these bandages are largely based on fast-dissolving polym...

Anti-aggregation effect of carbon quantum dots on diabetogenic and beta-cel...

Archive ouverte: Article de revue

Voronova, Anna | 2022-10-21

International audience. Pancreatic islet amyloid deposition is a pathological hallmark of Type 2 diabetes (T2D), contributing to reduced functional β-cell mass. Islet amyloids result not only from the aggregation an...

Heat-based transdermal delivery of a ramipril loaded cream for treating hyp...

Archive ouverte: Article de revue

Voronova, Anna | 2022-09-14

International audience. Angiotensin-converting enzyme (ACE) inhibitors play an important role in the development of anti-hypertension approaches, with ramipril being one of the most widely used ACE inhibitor prodrug...

Du même sujet

Heat-based nanotechnologies : application for photothermal pathogen ablatio...

Archive ouverte: Thèse

Li, Chengnan | 2019-04-04

Despite the availability of different antibiotics, bacterial infections are still one of the leading causes of hospitalization and mortality. The clinical failure of antibiotic treatment is due to a general poor antibiotic penetra...

[Review] State of the art and future research directions of materials scien...

Archive ouverte: Article de revue

Kny, Erich | 2024-04

International audience. Centralized laboratories in which analytical processes are automated to enable the analysis of large numbers of samples at relatively low cost are used for analytical testing throughout the w...

Modelling and evaluation of carbon based foam thermoacoustic effect for eff...

Archive ouverte: Thèse

Guiraud, Pierre, Henri | 2020-11-20

Electroacoustic transducers along with piezoelectric devices are the most widely used methods for acoustic sound generation in gas and liquids. A mechanical movement of a membrane induces fluid vibration thus creating an acoustic ...

Plasmon induced transparency in graphene-based side coupled two rectangular...

Archive ouverte: Communication dans un congrès

Noual, A. | 2018-04-26

International audience. We investigate numerically the plasmon analogue of electromagnetic induced transparency (EIT) in a compact graphene-based waveguide coupled to two rectangular nano-cavities-like structures ma...

Two-Year Outcome of Aflibercept Intravitreal Injection in Vitrectomized Eye...

Archive ouverte: Article de revue

Tran, Thi Ha Chau | 2022

Purpose: To evaluate the efficacy of intravitreal aflibercept injection (IAI) for vitrectomized eyes with diabetic macular edema (DME) at two years.Methods: This is a prospective, non-comparative, multicenter observational study i...

Heat dissipation in partially perforated phononic nano-membranes with perio...

Archive ouverte: Article de revue

Massoud, Antonin | 2022-05-01

International audience. Understanding how thermal-phonon paths can be shaped is key for controlling heat dissipation at the nanoscale. Thermophononic crystals are periodic porous nanostructures with thermal conducti...

Chargement des enrichissements...