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Kholmanskikh O, Wang YM, Hersey S, Wadhwa M, Block K, Bandukwala A, Szapacs M, Weiner R, Awwad K, Dessy F, Downing S, Du X, Garofolo F, Harris S, Hou V, Jones J, Kar S, Kinhikar A, Li M, Mathews J, Meissen J, Sumner GO, Pan L, Sanderink G, Scully I, Stanta J, Tanaka Y, Vauleon S, Wagner L, Wang K, Zhu L, Eck S, Lin YD, Azadeh M, Decman V, Diebold S, Du X, Goihberg P, Alcaide EG, Gonneau C, Hedrick MN, Hopkins G, Kar S, Loschko J, McCausland M, Mendez L, Sehra S, Stevens E, Sun YS, Tangri S, Trampont PC, Cludts I, Dysinger M, Kavita U, Sugimoto H, Chilewski S, Grimaldi C, Jiang Y, Kamerud J, Liu S, Owen C, Palackal N, Petit-frere C, Pine S, Abhari MR, Scheibner K, Williams L, Xu T, Zhang G. 2023 White Paper on Recent Issues in Bioanalysis: EU IVDR 2017/746 Implementation/Impact, IVD/CDx/CLIA Approved Assays, High Dimensional Cytometry, Multiplexing Technologies, LBA Tissue Analysis, Vaccine Study Endpoints, Cell-Based Assays for Biomarkers, Cell Therapy and Vaccines ( PART 2 - Recommendations on Development & Validation of Biomarkers, IVD, CDx, Cell-Based, Flow Cytometry, Ligand-Binding and Enzyme Assays; Advanced Critical Reagents Strategies). Bioanalysis 2024; 16:179-220. [PMID: 38899739 PMCID: PMC11216500 DOI: 10.1080/17576180.2024.2340961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Accepted: 04/05/2024] [Indexed: 06/21/2024] Open
Abstract
The 17th Workshop on Recent Issues in Bioanalysis (17th WRIB) took place in Orlando, FL, USA on 19-23 June 2023. Over 1000 professionals representing pharma/biotech companies, CROs, and multiple regulatory agencies convened to actively discuss the most current topics of interest in bioanalysis. The 17th WRIB included 3 Main Workshops and 7 Specialized Workshops that together spanned 1 week to allow an exhaustive and thorough coverage of all major issues in bioanalysis of biomarkers, immunogenicity, gene therapy, cell therapy and vaccines.Moreover, in-depth workshops on "EU IVDR 2017/746 Implementation and impact for the Global Biomarker Community: How to Comply with these NEW Regulations" and on "US FDA/OSIS Remote Regulatory Assessments (RRAs)" were the special features of the 17th edition.As in previous years, WRIB continued to gather a wide diversity of international, industry opinion leaders and regulatory authority experts working on both small and large molecules as well as gene, cell therapies and vaccines to facilitate sharing and discussions focused on improving quality, increasing regulatory compliance, and achieving scientific excellence on bioanalytical issues.This 2023 White Paper encompasses recommendations emerging from the extensive discussions held during the workshop and is aimed to provide the bioanalytical community with key information and practical solutions on topics and issues addressed, in an effort to enable advances in scientific excellence, improved quality and better regulatory compliance. Due to its length, the 2023 edition of this comprehensive White Paper has been divided into three parts for editorial reasons.This publication (Part 2) covers the recommendations on Biomarkers, IVD/CDx, LBA and Cell-Based Assays. Part 1A (Mass Spectrometry Assays and Regulated Bioanalysis/BMV), P1B (Regulatory Inputs) and Part 3 (Gene Therapy, Cell therapy, Vaccines and Biotherapeutics Immunogenicity) are published in volume 16 of Bioanalysis, issues 9 and 7 (2024), respectively.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Francis Dessy
- GlaxoSmithKline, Rixensart, Belgium
- Takeda, Cambridge, MA, USA
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Kai Wang
- GlaxoSmithKline, Collegeville, PA, USA
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Kotammagari TK, Saleh LY, Lönnberg T. Organometallic modification confers oligonucleotides new functionalities. Chem Commun (Camb) 2024; 60:3118-3128. [PMID: 38385213 DOI: 10.1039/d4cc00305e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
To improve their properties or to introduce entirely new functionalities, the intriguing scaffolds of nucleic acids have been decorated with various modifications, most recently also organometallic ones. While challenging to introduce, organometallic modifications offer the potential of expanding the field of application of metal-dependent functionalities to metal-deficient conditions, notably those of biological media. So far, organometallic moieties have been utilized as probes, labels and catalysts. This Feature Article summarizes recent efforts and predicts likely future developments in each of these lines of research.
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Affiliation(s)
- Tharun K Kotammagari
- Department of Chemistry, University of Turku, Henrikinkatu 2, 20500 Turku, Finland.
| | - Lange Yakubu Saleh
- Department of Chemistry, University of Turku, Henrikinkatu 2, 20500 Turku, Finland.
| | - Tuomas Lönnberg
- Department of Chemistry, University of Turku, Henrikinkatu 2, 20500 Turku, Finland.
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Bäckström E, Bonetti A, Johnsson P, Öhlin S, Dahlén A, Andersson P, Andersson S, Gennemark P. Tissue pharmacokinetics of antisense oligonucleotides. MOLECULAR THERAPY. NUCLEIC ACIDS 2024; 35:102133. [PMID: 38419941 PMCID: PMC10899043 DOI: 10.1016/j.omtn.2024.102133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 01/30/2024] [Indexed: 03/02/2024]
Abstract
Pharmacokinetics (PK) of antisense oligonucleotides (ASOs) is characterized by rapid distribution from plasma to tissue and slow terminal plasma elimination driven by re-distribution from tissue. Quantitative understanding of tissue PK and RNA knockdown for various ASO chemistries, conjugations, and administration routes is critical for successful drug discovery. Here, we report concentration-time and RNA knockdown profiles for a gapmer ASO with locked nucleic acid ribose chemistry in mouse liver, kidney, heart, and lung after subcutaneous and intratracheal administration. Additionally, the same ASO with liver targeting conjugation (galactosamine-N-acetyl) is evaluated for subcutaneous administration. Data indicate that exposure and knockdown differ between tissues and strongly depend on administration route and conjugation. In a second study, we show that tissue PK is similar between the three different ribose chemistries locked nucleic acid, constrained ethyl and 2'-O-methoxyethyl, both after subcutaneous and intratracheal administration. Further, we show that the half-life in mouse liver may vary with ASO sequence. Finally, we report less than dose-proportional increase in liver concentration in the dose range of 3-30 μmol/kg. Overall, our studies contribute pivotal data to support design and interpretation of ASO in vivo studies, thereby increasing the probability of delivering novel ASO therapies to patients.
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Affiliation(s)
- Erica Bäckström
- Drug Metabolism and Pharmacokinetics, Research and Early Development, Respiratory & Immunology (R&I), BioPharmaceuticals R&D, AstraZeneca, 431 83 Gothenburg, Sweden
| | - Alessandro Bonetti
- Oligonucleotide Discovery, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, 431 83 Gothenburg, Sweden
| | - Per Johnsson
- Oligonucleotide Discovery, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, 431 83 Gothenburg, Sweden
| | - Stefan Öhlin
- Business, Planning Operations, Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, 431 83 Gothenburg, Sweden
| | - Anders Dahlén
- Oligonucleotide Discovery, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, 431 83 Gothenburg, Sweden
| | - Patrik Andersson
- Safety Innovation, Safety Sciences, Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, 431 83 Gothenburg, Sweden
| | - Shalini Andersson
- Oligonucleotide Discovery, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, 431 83 Gothenburg, Sweden
| | - Peter Gennemark
- Drug Metabolism and Pharmacokinetics, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, 431 83 Gothenburg, Sweden
- Department of Biomedical Engineering, Linköping University, 581 85 Linköping, Sweden
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Zhang X, Sha C, Zhang W, Zhao F, Zhu M, Leng G, Liu W. Development, validation and application of an ion-pair reversed-phase liquid chromatography-tandem mass spectrometry method for the quantification of nusinersen. Bioanalysis 2024; 16:305-317. [PMID: 38334103 DOI: 10.4155/bio-2023-0218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024] Open
Abstract
Background: The fully phosphorothioate-modified oligonucleotide (OGN) nusinersen has low ionization efficiency in the negative ion mode, resulting in a low mass spectrometry response. There have been no relevant reports on developing a LC-MS method for the determination of nusinersen by optimizing mobile phase composition. Materials & methods: Mobile phase additives comprised of 15 mM triethylamine/25 mM 1,1,1,3,3,3-hexafluoro-2-propanol with a pH of 9.6. Nusinersen was extracted from plasma using Oasis® HLB solid-phase extraction (Waters, MA, USA). Results & conclusion: By adjusting the pH of the mobile phase to 9.6 by optimizing the type and concentration of ion-pair reagents, a high mass spectrometry response was obtained. The developed method was applied to nusinersen and met the requirements for the pharmacokinetic study of nusinersen in rabbits.
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Affiliation(s)
- Xiao Zhang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology & Drug Evaluation (Yantai University), Yantai University, Yantai, 264005, China
| | - Chunjie Sha
- Department of Traditional Chinese Medicine, Shandong College of Traditional Chinese Medicine, Yantai, China
| | - Wei Zhang
- National Key Laboratory of Advanced Drug Delivery & Release Systems, Luye Pharmaceutical Group, Yantai, China
| | - Fengjuan Zhao
- National Key Laboratory of Advanced Drug Delivery & Release Systems, Luye Pharmaceutical Group, Yantai, China
| | - Mingli Zhu
- National Key Laboratory of Advanced Drug Delivery & Release Systems, Luye Pharmaceutical Group, Yantai, China
| | - Guangyi Leng
- National Key Laboratory of Advanced Drug Delivery & Release Systems, Luye Pharmaceutical Group, Yantai, China
| | - Wanhui Liu
- School of Pharmacy, Key Laboratory of Molecular Pharmacology & Drug Evaluation (Yantai University), Yantai University, Yantai, 264005, China
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Penchovsky R, Georgieva AV, Dyakova V, Traykovska M, Pavlova N. Antisense and Functional Nucleic Acids in Rational Drug Development. Antibiotics (Basel) 2024; 13:221. [PMID: 38534656 DOI: 10.3390/antibiotics13030221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 02/25/2024] [Accepted: 02/26/2024] [Indexed: 03/28/2024] Open
Abstract
This review is focused on antisense and functional nucleic acid used for completely rational drug design and drug target assessment, aiming to reduce the time and money spent and increase the successful rate of drug development. Nucleic acids have unique properties that play two essential roles in drug development as drug targets and as drugs. Drug targets can be messenger, ribosomal, non-coding RNAs, ribozymes, riboswitches, and other RNAs. Furthermore, various antisense and functional nucleic acids can be valuable tools in drug discovery. Many mechanisms for RNA-based control of gene expression in both pro-and-eukaryotes and engineering approaches open new avenues for drug discovery with a critical role. This review discusses the design principles, applications, and prospects of antisense and functional nucleic acids in drug delivery and design. Such nucleic acids include antisense oligonucleotides, synthetic ribozymes, and siRNAs, which can be employed for rational antibacterial drug development that can be very efficient. An important feature of antisense and functional nucleic acids is the possibility of using rational design methods for drug development. This review aims to popularize these novel approaches to benefit the drug industry and patients.
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Affiliation(s)
- Robert Penchovsky
- Laboratory of Synthetic Biology and Bioinformatics, Faculty of Biology, Sofia University, "St. Kliment Ohridski", 8 Dragan Tzankov Blvd., 1164 Sofia, Bulgaria
| | - Antoniya V Georgieva
- Laboratory of Synthetic Biology and Bioinformatics, Faculty of Biology, Sofia University, "St. Kliment Ohridski", 8 Dragan Tzankov Blvd., 1164 Sofia, Bulgaria
| | - Vanya Dyakova
- Laboratory of Synthetic Biology and Bioinformatics, Faculty of Biology, Sofia University, "St. Kliment Ohridski", 8 Dragan Tzankov Blvd., 1164 Sofia, Bulgaria
| | - Martina Traykovska
- Laboratory of Synthetic Biology and Bioinformatics, Faculty of Biology, Sofia University, "St. Kliment Ohridski", 8 Dragan Tzankov Blvd., 1164 Sofia, Bulgaria
| | - Nikolet Pavlova
- Laboratory of Synthetic Biology and Bioinformatics, Faculty of Biology, Sofia University, "St. Kliment Ohridski", 8 Dragan Tzankov Blvd., 1164 Sofia, Bulgaria
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Li XQ, Elebring M, Dahlén A, Weidolf L. In Vivo Metabolite Profiles of an N-Acetylgalactosamine-Conjugated Antisense Oligonucleotide AZD8233 Using Liquid Chromatography High-Resolution Mass Spectrometry: A Cross-Species Comparison in Animals and Humans. Drug Metab Dispos 2023; 51:1350-1361. [PMID: 37429729 DOI: 10.1124/dmd.123.001370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 06/28/2023] [Accepted: 06/29/2023] [Indexed: 07/12/2023] Open
Abstract
AZD8233, a liver-targeting antisense oligonucleotide (ASO), inhibits subtilisin/kexin type 9 protein synthesis. It is a phosphorothioated 3-10-3 gapmer with a central DNA sequence flanked by constrained 2'-O-ethyl 2',4'-bridged nucleic acid (cEt-BNA) wings and conjugated to a triantennary N-acetylgalactosamine (GalNAc) ligand at the 5'-end. Herein we report the biotransformation of AZD8233, as given by liver, kidney, plasma and urine samples, after repeated subcutaneous administration to humans, mice, rats, rabbits, and monkeys. Metabolite profiles were characterized using liquid chromatography high-resolution mass spectrometry. Metabolite formation was consistent across species, mainly comprising hydrolysis of GalNAc sugars, phosphodiester-linker hydrolysis releasing the full-length ASO, and endonuclease-mediated hydrolysis within the central DNA gap followed by exonuclease-mediated 5'- or 3'-degradation. All metabolites contained the 5'- or 3'-cEt-BNA terminus. Most shortmer metabolites had the free terminal alcohol at 5'- and 3'-positions of ribose, although six were found retaining the terminal 5'-phosphorothioate group. GalNAc conjugated shortmer metabolites were also observed in urine. Synthesized metabolite standards were applied for (semi)quantitative metabolite assessment. Intact AZD8233 was the major component in plasma, whereas the unconjugated full-length ASO was predominant in tissues. In plasma, most metabolites were shortmers retaining the 3'-cEt-BNA terminus, whereas metabolites containing the 5'- or 3'-cEt-BNA terminus were detected in both tissues and urine. All metabolites in human plasma were also detected in all nonclinical species, and all human urine metabolites were detected in monkey urine. In general, metabolite profiles in animal species were qualitatively similar and quantitatively exceeded the exposures of the circulating metabolites in humans at the doses studied. SIGNIFICANCE STATEMENT: This study presents metabolite identification and profiling of AZD8233, an N-acetylgalactosamine-conjugated antisense oligonucleotide (ASO), across species. A biotransformation strategy for ASOs was established by utilizing biologic samples collected from toxicology and/or clinical studies and liquid chromatography high-resolution mass spectrometry analysis without conducting bespoke radiolabeled absorption, distribution, metabolism, and excretion studies. The generated biotransformation package was considered adequate by health authorities to progress AZD8233 into a phase 3 program, proving its applicability to future metabolism studies of ASOs in drug development.
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Affiliation(s)
- Xue-Qing Li
- DMPK, Research and Early Development Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden (X.-Q.L., M.E., L.W.); and Oligonucleotide Discovery, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden (A.D.)
| | - Marie Elebring
- DMPK, Research and Early Development Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden (X.-Q.L., M.E., L.W.); and Oligonucleotide Discovery, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden (A.D.)
| | - Anders Dahlén
- DMPK, Research and Early Development Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden (X.-Q.L., M.E., L.W.); and Oligonucleotide Discovery, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden (A.D.)
| | - Lars Weidolf
- DMPK, Research and Early Development Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden (X.-Q.L., M.E., L.W.); and Oligonucleotide Discovery, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden (A.D.)
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7
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Keuper-Navis M, Walles M, Poller B, Myszczyszyn A, van der Made TK, Donkers J, Eslami Amirabadi H, Wilmer MJ, Aan S, Spee B, Masereeuw R, van de Steeg E. The application of organ-on-chip models for the prediction of human pharmacokinetic profiles during drug development. Pharmacol Res 2023; 195:106853. [PMID: 37473876 DOI: 10.1016/j.phrs.2023.106853] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 07/11/2023] [Accepted: 07/14/2023] [Indexed: 07/22/2023]
Abstract
Organ-on-chip (OoC) technology has led to in vitro models with many new possibilities compared to conventional in vitro and in vivo models. In this review, the potential of OoC models to improve the prediction of human oral bioavailability and intrinsic clearance is discussed, with a focus on the functionality of the models and the application in current drug development practice. Multi-OoC models demonstrating the application for pharmacokinetic (PK) studies are summarized and existing challenges are identified. Physiological parameters for a minimal viable platform of a multi-OoC model to study PK are provided, together with PK specific read-outs and recommendations for relevant reference compounds to validate the model. Finally, the translation to in vivo PK profiles is discussed, which will be required to routinely apply OoC models during drug development.
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Affiliation(s)
- Marit Keuper-Navis
- Department of Metabolic Health Research, Netherlands Organisation for Applied Scientific Research (TNO), Leiden, the Netherlands; Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, the Netherlands
| | - Markus Walles
- Pharmacokinetic Sciences, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Birk Poller
- Pharmacokinetic Sciences, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Adam Myszczyszyn
- Faculty of Veterinary Medicine & Regenerative Medicine Center Utrecht (RMCU), Utrecht University, Utrecht, the Netherlands
| | - Thomas K van der Made
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, the Netherlands
| | - Joanne Donkers
- Department of Metabolic Health Research, Netherlands Organisation for Applied Scientific Research (TNO), Leiden, the Netherlands
| | | | | | - Saskia Aan
- Stichting Proefdiervrij, Den Haag, the Netherlands
| | - Bart Spee
- Faculty of Veterinary Medicine & Regenerative Medicine Center Utrecht (RMCU), Utrecht University, Utrecht, the Netherlands
| | - Rosalinde Masereeuw
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, the Netherlands
| | - Evita van de Steeg
- Department of Metabolic Health Research, Netherlands Organisation for Applied Scientific Research (TNO), Leiden, the Netherlands.
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8
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A Novel Hybridization LC-MS/MS Methodology for Quantification of siRNA in Plasma, CSF and Tissue Samples. Molecules 2023; 28:molecules28041618. [PMID: 36838605 PMCID: PMC9967190 DOI: 10.3390/molecules28041618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/01/2023] [Accepted: 02/07/2023] [Indexed: 02/10/2023] Open
Abstract
Therapeutic oligonucleotides, such as antisense oligonucleotide (ASO) and small interfering RNA (siRNA), are a new class of therapeutics rapidly growing in drug discovery and development. A sensitive and reliable method to quantify oligonucleotides in biological samples is critical to study their pharmacokinetic and pharmacodynamic properties. Hybridization LC-MS/MS was recently established as a highly sensitive and specific methodology for the quantification of single-stranded oligonucleotides, e.g., ASOs, in various biological matrices. However, there is no report of this methodology for the bioanalysis of double-stranded oligonucleotides (e.g., siRNA). In this work, we investigated hybridization LC-MS/MS methodology for the quantification of double-stranded oligonucleotides in biological samples using an siRNA compound, siRNA-01, as the test compound. The commonly used DNA capture probe and a new peptide nucleic acid (PNA) probe were compared for the hybridization extraction of siRNA-01 under different conditions. The PNA probe achieved better extraction recovery than the DNA probe, especially for high concentration samples, which may be due to its stronger hybridization affinity. The optimized hybridization method using the PNA probe was successfully qualified for the quantitation of siRNA-01 in monkey plasma, cerebrospinal fluid (CSF), and tissue homogenates over the range of 2.00-1000 ng/mL. This work is the first report of the hybridization LC-MS/MS methodology for the quantification of double-stranded oligonucleotides. The developed methodology will be applied to pharmacokinetic and toxicokinetic studies of siRNA-01. This novel methodology can also be used for the quantitative bioanalysis of other double-stranded oligonucleotides.
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Microflow LC-MS/MS to improve sensitivity for antisense oligonucleotides bioanalysis: critical role of sample cleanness. Bioanalysis 2022; 14:1365-1376. [PMID: 36625771 DOI: 10.4155/bio-2022-0201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Background: Quantitative bioanalysis of antisense oligonucleotides (ASOs) is crucial to study their pharmacokinetic properties. An ultrasensitive bioanalytical method is often desired for quantifying low-concentration ASOs. Results: Effects of microflow LC and sample cleanness on sensitivity improvement of ASOs were evaluated. Sixfold sensitivity improvement of ASO-001 was achieved using microflow LC-MS/MS compared with conventional analytical flow method. Different sample extracts (hybridization, SPE and protein precipitation) were evaluated for sensitivity improvement by microflow LC. More sensitivity improvement was observed in the cleaner sample extract. Conclusion: Microflow LC increases sensitivity for ASO bioanalysis. The cleaner the sample extract, the better the sensitivity improvement. An ultrasensitive hybridization microflow LC-MS/MS method with lower limit of quantification of 0.100 ng/ml was developed and qualified for quantifying ASO-001 in plasma.
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Bege M, Borbás A. The Medicinal Chemistry of Artificial Nucleic Acids and Therapeutic Oligonucleotides. Pharmaceuticals (Basel) 2022; 15:ph15080909. [PMID: 35893733 PMCID: PMC9330994 DOI: 10.3390/ph15080909] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 07/17/2022] [Accepted: 07/20/2022] [Indexed: 02/04/2023] Open
Abstract
Nucleic acids play a central role in human biology, making them suitable and attractive tools for therapeutic applications. While conventional drugs generally target proteins and induce transient therapeutic effects, nucleic acid medicines can achieve long-lasting or curative effects by targeting the genetic bases of diseases. However, native oligonucleotides are characterized by low in vivo stability due to nuclease sensitivity and unfavourable physicochemical properties due to their polyanionic nature, which are obstacles to their therapeutic use. A myriad of synthetic oligonucleotides have been prepared in the last few decades and it has been shown that proper chemical modifications to either the nucleobase, the ribofuranose unit or the phosphate backbone can protect the nucleic acids from degradation, enable efficient cellular uptake and target localization ensuring the efficiency of the oligonucleotide-based therapy. In this review, we present a summary of structure and properties of artificial nucleic acids containing nucleobase, sugar or backbone modifications, and provide an overview of the structure and mechanism of action of approved oligonucleotide drugs including gene silencing agents, aptamers and mRNA vaccines.
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Affiliation(s)
- Miklós Bege
- Department of Pharmaceutical Chemistry, University of Debrecen, Egyetem tér 1, 4032 Debrecen, Hungary;
- Institute of Healthcare Industry, University of Debrecen, Nagyerdei körút 98, 4032 Debrecen, Hungary
- MTA-DE Molecular Recognition and Interaction Research Group, University of Debrecen, Egyetem tér 1, 4032 Debrecen, Hungary
| | - Anikó Borbás
- Department of Pharmaceutical Chemistry, University of Debrecen, Egyetem tér 1, 4032 Debrecen, Hungary;
- National Laboratory of Virology, University of Pécs, Ifjúság útja 20, 7624 Pécs, Hungary
- Correspondence:
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Migliorati JM, Liu S, Liu A, Gogate A, Nair S, Bahal R, Rasmussen TP, Manautou JE, Zhong XB. Absorption, Distribution, Metabolism, and Excretion of US Food and Drug Administration-Approved Antisense Oligonucleotide Drugs. Drug Metab Dispos 2022; 50:888-897. [PMID: 35221287 PMCID: PMC11022858 DOI: 10.1124/dmd.121.000417] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 02/22/2022] [Indexed: 04/19/2024] Open
Abstract
Absorption, distribution, metabolism, and excretion (ADME) are the key biologic processes for determination of a drug's pharmacokinetic parameters, which have direct impacts on efficacy and adverse drug reactions (ADRs). The chemical structures, dosage forms, and sites and routes of administration are the principal determinants of ADME profiles and consequent impacts on their efficacy and ADRs. Newly developed large molecule biologic antisense oligonucleotide (ASO) drugs have completely unique ADME that is not fully defined. ASO-based drugs are single-stranded synthetic antisense nucleic acids with diverse modes of drug actions from induction of mRNA degradation, exon skipping and restoration, and interactions with proteins. ASO drugs have a great potential to treat certain human diseases that have remained untreatable with small molecule-based drugs. The ADME of ASO drugs contributes to their unique set of ADRs and toxicity. In this review, to better understand their ADME, the 10 US Food and Drug Administration (FDA)-approved ASO drugs were selected: fomivirsen, pegaptanib, mipomersen, nusinersen, inotersen, defibrotide, eteplirsen, golodirsen, viltolarsen, and casimersen. A meta-analysis was conducted on their formulation, dosage, sites of administration, local and systematic distribution, metabolism, degradation, and excretion. Membrane permeabilization through endocytosis and nucleolytic degradation by endonucleases and exonucleases are major ADME features of the ASO drugs that differ from small-molecule drugs. The information summarized here provides comprehensive ADME characteristics of FDA-approved ASO drugs, leading to a better understanding of their therapeutic efficacy and their potential ADRs and toxicity. Numerous knowledge gaps, particularly on cellular uptake and subcellular trafficking and distribution, are identified, and future perspectives and directions are discussed. SIGNIFICANCE STATEMENT: Through a systematic analysis of the existing information of absorption, distribution, metabolism, and excretion (ADME) parameters for 10 US Food and Drug Administration (FDA)-approved antisense oligonucleotide (ASO) drugs, this review provides an overall view of the unique ADME characteristics of ASO drugs, which are distinct from small chemical drug ADME. This knowledge is useful for discovery and development of new ASO drugs as well as clinical use of current FDA-approved ASO drugs.
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Affiliation(s)
- Julia M Migliorati
- Department of Pharmaceutical Sciences, School of Pharmacy (J.M.M., S.L., A.L., A.G., R.B., T.P.R., J.E.M., X.Z.) and Department of Molecular and Cell Biology (S.N.), University of Connecticut, Storrs, Connecticut
| | - Sunna Liu
- Department of Pharmaceutical Sciences, School of Pharmacy (J.M.M., S.L., A.L., A.G., R.B., T.P.R., J.E.M., X.Z.) and Department of Molecular and Cell Biology (S.N.), University of Connecticut, Storrs, Connecticut
| | - Anna Liu
- Department of Pharmaceutical Sciences, School of Pharmacy (J.M.M., S.L., A.L., A.G., R.B., T.P.R., J.E.M., X.Z.) and Department of Molecular and Cell Biology (S.N.), University of Connecticut, Storrs, Connecticut
| | - Anagha Gogate
- Department of Pharmaceutical Sciences, School of Pharmacy (J.M.M., S.L., A.L., A.G., R.B., T.P.R., J.E.M., X.Z.) and Department of Molecular and Cell Biology (S.N.), University of Connecticut, Storrs, Connecticut
| | - Sreenidhi Nair
- Department of Pharmaceutical Sciences, School of Pharmacy (J.M.M., S.L., A.L., A.G., R.B., T.P.R., J.E.M., X.Z.) and Department of Molecular and Cell Biology (S.N.), University of Connecticut, Storrs, Connecticut
| | - Raman Bahal
- Department of Pharmaceutical Sciences, School of Pharmacy (J.M.M., S.L., A.L., A.G., R.B., T.P.R., J.E.M., X.Z.) and Department of Molecular and Cell Biology (S.N.), University of Connecticut, Storrs, Connecticut
| | - Theodore P Rasmussen
- Department of Pharmaceutical Sciences, School of Pharmacy (J.M.M., S.L., A.L., A.G., R.B., T.P.R., J.E.M., X.Z.) and Department of Molecular and Cell Biology (S.N.), University of Connecticut, Storrs, Connecticut
| | - José E Manautou
- Department of Pharmaceutical Sciences, School of Pharmacy (J.M.M., S.L., A.L., A.G., R.B., T.P.R., J.E.M., X.Z.) and Department of Molecular and Cell Biology (S.N.), University of Connecticut, Storrs, Connecticut
| | - Xiao-Bo Zhong
- Department of Pharmaceutical Sciences, School of Pharmacy (J.M.M., S.L., A.L., A.G., R.B., T.P.R., J.E.M., X.Z.) and Department of Molecular and Cell Biology (S.N.), University of Connecticut, Storrs, Connecticut
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12
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Validation and application of hybridization liquid chromatography-tandem mass spectrometry methods for quantitative bioanalysis of antisense oligonucleotides. Bioanalysis 2022; 14:589-601. [PMID: 35545949 DOI: 10.4155/bio-2022-0015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background: Antisense oligonucleotide (ASO), an emerging modality in drug research and development, demands accurate and sensitive bioanalysis to understand its pharmacokinetic and pharmacodynamic properties. Results: By combining the advantages of both ligand binding and liquid chromatography-mass spectrometry/tandem mass (LC-MS/MS), hybridization LC-MS/MS methods were successfully developed and validated/qualified in a good lab practice (GLP) environment for the quantitation of an ASO drug candidate in monkey serum, cerebrospinal fluid (CSF) and tissues in the range of 0.5-500 ng/ml. Special treatment of CSF samples was employed to mitigate nonspecific binding, improve long-term storage stability and enable the usage of artificial CSF as a more accessible surrogate matrix. The method was also qualified and applied to ASO quantitation in various monkey tissue samples using a cocktail tissue homogenate as a surrogate matrix. Conclusion: This work was the first reported GLP validation and application of ASO bioanalysis using the hybridization LC-MS/MS platform.
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Kramlinger VM, Dalvie D, Heck CJ, Kalgutkar AS, O'Neill J, Su D, Teitelbaum A, Totah RA. Future of Biotransformation Science in the Pharmaceutical Industry. Drug Metab Dispos 2021; 50:258-267. [PMID: 34921097 DOI: 10.1124/dmd.121.000658] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 11/23/2021] [Indexed: 11/22/2022] Open
Abstract
Over the past decades, the number of scientists trained in departments dedicated to traditional medicinal chemistry, biotransformation and/or chemical toxicology have seemingly declined. Yet, there remains a strong demand for such specialized skills in the pharmaceutical industry, particularly within drug metabolism/pharmacokinetics (DMPK) departments. In this position paper, the members of the Biotransformation, Mechanisms, and Pathways Focus Group (BMPFG) steering committee reflect on the diverse roles and responsibilities of scientists trained in the biotransformation field in pharmaceutical companies and contract research organizations. The BMPFG is affiliated with the International Society for the Study of Xenobiotics (ISSX) and was specifically created to promote the exchange of ideas pertaining to topics of current and future interest involving the metabolism of xenobiotics (including drugs). The authors also delve into the relevant education and diverse training skills required to successfully nurture the future cohort of industry biotransformation scientists and guide them towards a rewarding career path. The ability of scientists with a background in biotransformation/organic chemistry to creatively solve complex drug metabolism problems encountered during research and development efforts on both small molecule or large molecular modalities is exemplified in five relevant case studies. Finally, the authors stress the importance and continued commitment to training the next generation of biotransformation scientists who are not only experienced in the metabolism of conventional small molecule therapeutics, but are also equipped to tackle emerging challenges associated with new drug discovery modalities including peptides, protein degraders and antibodies. Significance Statement Biotransformation and mechanistic drug metabolism scientists are critical to advancing chemical entities through discovery and development, yet the number of scientists academically trained for this role is on the decline. This position paper highlights the continuing demand for biotransformation scientists and the necessity to nurture creative ways to train them and guarantee the future growth of this field.
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Affiliation(s)
| | | | - Carley Js Heck
- Pfizer Worldwide Research and Development, United States
| | - Amit S Kalgutkar
- Pharmacokinetics, Dynamics, and Metabolism Dept., Pfizer Worldwide Research and Development, United States
| | | | - Dian Su
- Mersana Therapeutics, United States
| | - Aaron Teitelbaum
- Drug Metabolism and Pharmacokinetics, Boehringer Ingelheim Pharmaceuticals, United States
| | - Rheem A Totah
- Medicinal Chemistry, Univeristy of Washington, United States
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14
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Valenzuela A, Tardiveau C, Ayuso M, Buyssens L, Bars C, Van Ginneken C, Fant P, Leconte I, Braendli-Baiocco A, Parrott N, Schmitt G, Tessier Y, Barrow P, Van Cruchten S. Safety Testing of an Antisense Oligonucleotide Intended for Pediatric Indications in the Juvenile Göttingen Minipig, including an Evaluation of the Ontogeny of Key Nucleases. Pharmaceutics 2021; 13:1442. [PMID: 34575518 PMCID: PMC8470776 DOI: 10.3390/pharmaceutics13091442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/06/2021] [Accepted: 09/07/2021] [Indexed: 11/16/2022] Open
Abstract
The adult Göttingen Minipig is an acknowledged model for safety assessment of antisense oligonucleotide (ASO) drugs developed for adult indications. To assess whether the juvenile Göttingen Minipig is also a suitable nonclinical model for pediatric safety assessment of ASOs, we performed an 8-week repeat-dose toxicity study in different age groups of minipigs ranging from 1 to 50 days of age. The animals received a weekly dose of a phosphorothioated locked-nucleic-acid-based ASO that was assessed previously for toxicity in adult minipigs. The endpoints included toxicokinetic parameters, in-life monitoring, clinical pathology, and histopathology. Additionally, the ontogeny of key nucleases involved in ASO metabolism and pharmacologic activity was investigated using quantitative polymerase chain reaction and nuclease activity assays. Similar clinical chemistry and toxicity findings were observed; however, differences in plasma and tissue exposures as well as pharmacologic activity were seen in the juvenile minipigs when compared with the adult data. The ontogeny study revealed a differential nuclease expression and activity, which could affect the metabolic pathway and pharmacologic effect of ASOs in different tissues and age groups. These data indicate that the juvenile Göttingen Minipig is a promising nonclinical model for safety assessment of ASOs intended to treat disease in the human pediatric population.
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Affiliation(s)
- Allan Valenzuela
- Comparative Perinatal Development, Department of Veterinary Sciences, University of Antwerp, 2610 Wilrijk, Belgium; (A.V.); (M.A.); (L.B.); (C.B.); (C.V.G.)
| | - Claire Tardiveau
- Charles River Laboratories France Safety Assessment SAS, 69210 Saint-Germain-Nuelles, France; (C.T.); (P.F.); (I.L.)
| | - Miriam Ayuso
- Comparative Perinatal Development, Department of Veterinary Sciences, University of Antwerp, 2610 Wilrijk, Belgium; (A.V.); (M.A.); (L.B.); (C.B.); (C.V.G.)
| | - Laura Buyssens
- Comparative Perinatal Development, Department of Veterinary Sciences, University of Antwerp, 2610 Wilrijk, Belgium; (A.V.); (M.A.); (L.B.); (C.B.); (C.V.G.)
| | - Chloe Bars
- Comparative Perinatal Development, Department of Veterinary Sciences, University of Antwerp, 2610 Wilrijk, Belgium; (A.V.); (M.A.); (L.B.); (C.B.); (C.V.G.)
| | - Chris Van Ginneken
- Comparative Perinatal Development, Department of Veterinary Sciences, University of Antwerp, 2610 Wilrijk, Belgium; (A.V.); (M.A.); (L.B.); (C.B.); (C.V.G.)
| | - Pierluigi Fant
- Charles River Laboratories France Safety Assessment SAS, 69210 Saint-Germain-Nuelles, France; (C.T.); (P.F.); (I.L.)
| | - Isabelle Leconte
- Charles River Laboratories France Safety Assessment SAS, 69210 Saint-Germain-Nuelles, France; (C.T.); (P.F.); (I.L.)
| | - Annamaria Braendli-Baiocco
- Roche Pharmaceutical Research and Early Development, F. Hoffmann-La-Roche, Ltd., 4070 Basel, Switzerland; (A.B.-B.); (N.P.); (G.S.); (Y.T.); (P.B.)
| | - Neil Parrott
- Roche Pharmaceutical Research and Early Development, F. Hoffmann-La-Roche, Ltd., 4070 Basel, Switzerland; (A.B.-B.); (N.P.); (G.S.); (Y.T.); (P.B.)
| | - Georg Schmitt
- Roche Pharmaceutical Research and Early Development, F. Hoffmann-La-Roche, Ltd., 4070 Basel, Switzerland; (A.B.-B.); (N.P.); (G.S.); (Y.T.); (P.B.)
| | - Yann Tessier
- Roche Pharmaceutical Research and Early Development, F. Hoffmann-La-Roche, Ltd., 4070 Basel, Switzerland; (A.B.-B.); (N.P.); (G.S.); (Y.T.); (P.B.)
| | - Paul Barrow
- Roche Pharmaceutical Research and Early Development, F. Hoffmann-La-Roche, Ltd., 4070 Basel, Switzerland; (A.B.-B.); (N.P.); (G.S.); (Y.T.); (P.B.)
| | - Steven Van Cruchten
- Comparative Perinatal Development, Department of Veterinary Sciences, University of Antwerp, 2610 Wilrijk, Belgium; (A.V.); (M.A.); (L.B.); (C.B.); (C.V.G.)
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