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Clinical pharmacology of siRNA therapeutics: current status and future prospects
Expert Rev Clin Pharmacol. 2022 Oct 17. doi: 10.1080/17512433.2022.2136166. Online ahead of print.ABSTRACTINTRODUCTION: Small interfering RNA (siRNA) has emerged as a powerful tool for post-transcriptional downregulation of multiple genes for various therapies. Naked siRNA molecules are surrounded by several barriers that tackle their optimum delivery to target tissues such as limited cellular uptake, short circulation time, degradation by endonucleases, glomerular filtration, and capturing by the reticuloendothelial system (RES).AREAS COVERED: This review provides insights into studies that investigate various siRNA-based...
Source: Expert Review of Clinical Pharmacology - October 17, 2022 Category: Drugs & Pharmacology Authors: Ahmed Khaled Abosalha Jacqueline Boyajian Waqar Ahmad Paromita Islam Merry Ghebretatios Sabrina Schaly Rahul Thareja Karan Arora Satya Prakash Source Type: research

Lipid nanoparticle formulations for optimal RNA-based topical delivery to murine airways
CONCLUSION: LNP formulations enable the delivery of RNA payloads into human airway epithelial cells, and in the murine respiratory system; they can be delivered to nasal mucosa and lower respiratory tract via intranasal delivery. The composition of helper lipids in LNPs crucially modulates transfection efficiencies in airway epithelia, highlighting their importance in effective delivery of therapeutic products for airways diseases.PMID:35688311 | DOI:10.1016/j.ejps.2022.106234
Source: European Journal of Pharmaceutical Sciences - June 10, 2022 Category: Drugs & Pharmacology Authors: A Tam J Kulkarni K An L Li D R Dorscheid G K Singhera P Bernatchez Gsd Reid Kyt Chan D Witzigmann P R Cullis D D Sin C J Lim Source Type: research

Difference in the lipid nanoparticle technology employed in three approved siRNA (Patisiran) and mRNA (COVID-19 vaccine) drugs
Drug Metab Pharmacokinet. 2021 Oct 10;41:100424. doi: 10.1016/j.dmpk.2021.100424. Online ahead of print.ABSTRACTNucleic acid therapeutics are developing into precise medicines that can manipulate specific genes. However, the development of safe and effective delivery system for the target cells has remained a challenge. Lipid nanoparticles (LNPs) have provided a revolutionary delivery system that can ensure multiple clinical translation of RNA-based candidates. In 2018, Patisiran (Onpattro) was first approved as an LNP-based siRNA drug. In 2020, during the coronavirus disease 2019 (COVID-19) outbreak, LNPs have enabled the...
Source: Drug Metabolism and Pharmacokinetics - November 10, 2021 Category: Drugs & Pharmacology Authors: Yuta Suzuki Hiroshi Ishihara Source Type: research

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