Abstract
Bioavailability of the colloidal particles is of great concern. It is because about 40% of the newly discovered colloidal agents are poorly water soluble and thus poorly bioavailable. Various colloidal technologies have been adopted to enhance the bioavailability of such drugs. In this review, advanced colloidal technologies are discussed to understand the mechanism of bioavailability enhancement of drugs, coding latest references from the literature. Additionally, advantages and disadvantages of the concerned colloidal technologies are discussed to understand the potential usage of each process. All these colloidal technologies effectively enhance the bioavailability of poorly bioavailable drugs, either by protecting them from the environment of the gastrointestinal or by prolonging their intended therapeutic effect. Furthermore, complexation of the drug molecule with potential carries, particle size reduction to nanoscale, co-crystallization and self-emulsifying drug delivery system are also discussed which not only enhance the bioavailability but also reduce the potential toxicities of the loaded drugs. It is therefore important to understand the vital colloidal technologies with their recent advancements, potential applications and future challenges, which is discussed in this review. Finally, this article concludes that the advanced colloidal technologies, including freeze-dried liposome, solid lipid nanoparticle, polymeric nanoparticle (polymeric micelles), dendrimers and solid emulsifying drug delivery systems, have the potential to achieve improved bioavailability and targeted drug delivery.
Highlights
Cogent MedicineISSN: (Print) 2331-205X (Online) Journal homepage: https://www.tandfonline.com/loi/oamd
Bioavailability is the unchanged fraction of a drug in the blood circulation, which is available for its therapeutic use
All these colloidal technologies effectively enhance the bioavailability of poorly bioavailable drugs, either by protecting them from the environment of the gastrointestinal or by prolonging their intended therapeutic effect
Summary
ISSN: (Print) 2331-205X (Online) Journal homepage: https://www.tandfonline.com/loi/oamd. Advanced colloidal technologies for the enhanced bioavailability of drugs Fakhar ud Din, Sehrish Saleem, Fatima Aleem, Rida Ahmed, Noor ul Huda, Sohail Ahmed, Nadra Khaleeq, Kifayat Ullah Shah, Izhar Ullah, Alam Zeb & Waqar Aman |.
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