The thesis will provide an overview of the main types of hydrogels applied in antitumor therapy. Hydrogels, due to their distinctive characteristics, represent a promising foundation for the development of therapies focused on the localized delivery of chemotherapeutic drugs. In the first part, thermosensitive hydrogels will be discussed, offering an in-depth analysis of hyperthermia and potential therapies that integrate the effect of heat with the features of this type of hydrogel. An additional chapter is dedicated to pH-sensitive hydrogels, explaining how these interact with pH modification in the tumour environment. For each type of hydrogel discussed, a case study will be also presented as an example of hydrogel-based therapy applications. This will be followed by a discussion on hydrogel-based chemoradiotherapy, a treatment that combines the effects of radiotherapy and chemotherapy with a controlled release system. In particular, the advantages and disadvantages of this therapy will be highlighted, along with the types of targeted delivery (active or passive). Finally, the thesis will conclude with considerations regarding the current state of advancement in existing hydrogel-based antitumor therapies and possible future developments.
La tesi offrirà una panoramica sulle principali tipologie di hydrogel applicati nella terapia antitumorale. Gli hydrogel, grazie alle loro caratteristiche distintive, costituiscono una base promettente per lo sviluppo di terapie focalizzate sulla somministrazione localizzata di farmaci chemioterapici. Nella prima parte, verranno trattati gli hydrogel termo-sensibili, offrendo un'analisi approfondita sull'ipertermia e sulle potenziali terapie che integrano l'effetto del calore con le peculiarità di questo tipo di hydrogel. Un ulteriore capitolo è dedicato agli hydrogel pH-sensibili, in cui viene spiegato come questi interagiscano con la modificazione del pH in ambiente tumorale. Per ognuna delle tipologie di hydrogel trattate, verrà inoltre presentato un case study come esempio di applicazione di terapia a base di hydrogel. Seguirà un approfondimento sulla chemioradioterapia a base di hydrogel, una terapia in cui vengono combinati gli effetti di radioterapia e chemioterapia con un sistema di rilascio controllato. In particolare, verranno evidenziati i vantaggi e svantaggi di tale terapia, le tipologie di somministrazione mirata attiva o passiva. Infine, la tesi si concluderà con delle considerazioni in merito allo stato di avanzamento delle attuali terapie antitumorali basate su hydrogel e possibili sviluppi futuri.
Hydrogel per il rilascio controllato di farmaci chemioterapici
MINELLO, NICOLA
2023/2024
Abstract
The thesis will provide an overview of the main types of hydrogels applied in antitumor therapy. Hydrogels, due to their distinctive characteristics, represent a promising foundation for the development of therapies focused on the localized delivery of chemotherapeutic drugs. In the first part, thermosensitive hydrogels will be discussed, offering an in-depth analysis of hyperthermia and potential therapies that integrate the effect of heat with the features of this type of hydrogel. An additional chapter is dedicated to pH-sensitive hydrogels, explaining how these interact with pH modification in the tumour environment. For each type of hydrogel discussed, a case study will be also presented as an example of hydrogel-based therapy applications. This will be followed by a discussion on hydrogel-based chemoradiotherapy, a treatment that combines the effects of radiotherapy and chemotherapy with a controlled release system. In particular, the advantages and disadvantages of this therapy will be highlighted, along with the types of targeted delivery (active or passive). Finally, the thesis will conclude with considerations regarding the current state of advancement in existing hydrogel-based antitumor therapies and possible future developments.File | Dimensione | Formato | |
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https://hdl.handle.net/20.500.12608/76486