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Baratta M, Jian W, Hengel S, Kaur S, Cunliffe J, Boer J, Hughes N, Kar S, Kellie J, Kim YJ, Lassman M, Mehl J, Morgan L, Palandra J, Sarvaiya H, Zeng J, Zheng N, Wang J, Yuan L, Ji A, Kochansky C, Tao L, Huang Y, Maes E, Barbero L, Contrepois K, Ferrari L, Fu Y, Johnson J, Jones B, Kansal M, Lu Y, Post N, Shen H(H, Xue Y(YJ, Zhang Y(C, Biswas G, Cho S(J, Edmison A, Benson K, Abberley L, Azadeh M, Francis J, Garofolo F, Gupta S, Ivanova I(D, Ishii-Watabe A, Karnik S, Kassim S, Kavetska O, Keller S, Kossary E, Li W, McCush F, Mendes DN, Abhari MR, Scheibner K, Sikorski T, Staack RF, Tabler E, Tang H, Wan K, Wang YM, Whale E, Yang L, Zimmer J, Bandukwala A, Du X, Kholmanskikh O, Gijsel SKD, Wadhwa M, Xu J, Buoninfante A, Cludts I, Diebold S, Maxfield K, Mayer C, Pedras-Vasconcelos J, Abhari MR, Shubow S, Tanaka Y, Tounekti O, Verthelyi D, Wagner L. 2023 White Paper on Recent Issues in Bioanalysis: Deuterated Drugs; LNP; Tumor/FFPE Biopsy; Targeted Proteomics; Small Molecule Covalent Inhibitors; Chiral Bioanalysis; Remote Regulatory Assessments; Sample Reconciliation/Chain of Custody (PART 1A - Recommendations on Mass Spectrometry, Chromatography, Sample Preparation Latest Developments, Challenges, and Solutions and BMV/Regulated Bioanalysis PART 1B - Regulatory Agencies' Inputs on Regulated Bioanalysis/BMV, Biomarkers/IVD/CDx/BAV, Immunogenicity, Gene & Cell Therapy and Vaccine). Bioanalysis 2024; 16:307-364. [PMID: 38913185 PMCID: PMC11216509 DOI: 10.1080/17576180.2024.2347153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 04/22/2024] [Indexed: 06/25/2024] Open
Abstract
The 17th Workshop on Recent Issues in Bioanalysis (17th WRIB) took place in Orlando, FL, USA on June 19-23, 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 this NEW Regulation" 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 covers the recommendations on Mass Spectrometry Assays, Regulated Bioanalysis/BMV (Part 1A) and Regulatory Inputs (Part 1B). Part 2 (Biomarkers, IVD/CDx, LBA and Cell-Based Assays) and Part 3 (Gene Therapy, Cell therapy, Vaccines and Biotherapeutics Immunogenicity) are published in volume 16 of Bioanalysis, issues 7 and 8 (2024), respectively.
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Affiliation(s)
| | - Wenying Jian
- Johnson & Johnson Innovative Medicine, Spring House, PA, USA
| | | | | | | | | | | | | | | | | | | | - John Mehl
- GlaxoSmithKline, Collegeville, PA, USA
| | | | | | | | | | - Naiyu Zheng
- Bristol-Myers Squibb, Lawrenceville, NJ, USA
| | | | | | | | | | | | - Yue Huang
- AstraZeneca, South San Francisco, CA, USA
| | | | | | | | - Luca Ferrari
- F. Hoffmann-La Roche Ltd, Roche Pharma Research & Early Development (pRED), Basel, Switzerland
| | | | | | | | | | - Yang Lu
- US FDA, Silver Spring, MD, USA
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Roland F Staack
- Roche Pharma Research & Early Development, Roche Innovation Center, Munich, Germany
| | | | | | | | | | | | - Li Yang
- US FDA, Silver Spring, MD, USA
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Tao X, Huang W, Pan L, Sheng L, Qin Y, Chen L, Yu L, Wu G, Wan J, Li H. Optimizing ex vivo culture conditions to study human gut microbiome. ISME COMMUNICATIONS 2023; 3:38. [PMID: 37185811 PMCID: PMC10130157 DOI: 10.1038/s43705-023-00245-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 03/30/2023] [Accepted: 04/14/2023] [Indexed: 05/17/2023]
Abstract
The inter-individual variations of gut microbiome contribute to the different responses toward drug therapy among populations, developing a reliable ex vivo culture method for mixed bacteria is the urgent need for predicting personal reaction to drug therapy. Unfortunately, very few attentions have been paid to the bias that could be introduced during the culture process for mixed bacteria. Here we systemically evaluated the factors that may affect the outcomes of cultured bacteria from human feces. We demonstrated that inter-individual difference of host gut microbiome was the main factor affecting the outcomes of cultured bacteria, followed by the culture medium and time point. We further optimized a new medium termed GB based on our established multi-dimensional evaluation method, which could mimic the status of in situ host gut microbiome to the highest extent. Finally, we assessed the inter-individual metabolism by host gut microbiome from 10 donors on three frequently used clinical drugs (aspirin, levodopa and doxifluridine) based on the optimized GB medium. Our results revealed obvious variation in drug metabolism by microbiome from different donors, especially levodopa and doxifluridine. This work suggested the optimized culture medium had the potential for exploring the inter-individual impacts of host gut microbiome on drug metabolism.
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Affiliation(s)
- Xin Tao
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Wenjin Huang
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lingyun Pan
- Experiment Center for Science and Technology, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lili Sheng
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yuan Qin
- College of Acupuncture and Massage, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Luo Chen
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Linhuan Yu
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Gaosong Wu
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jianbo Wan
- Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Houkai Li
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
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