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Shi J, Chen X, Diao J, Jiang L, Li L, Li S, Liang W, Jin X, Wang Y, Wong C, Zhang XT, Tse FLS. Bioanalysis in the Age of New Drug Modalities. AAPS JOURNAL 2021; 23:64. [PMID: 33942188 PMCID: PMC8093172 DOI: 10.1208/s12248-021-00594-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 04/09/2021] [Indexed: 12/14/2022]
Abstract
In the absence of regulatory guidelines for the bioanalysis of new drug modalities, many of which contain multiple functional domains, bioanalytical strategies have been carefully designed to characterize the intact drug and each functional domain in terms of quantity, functionality, biotransformation, and immunogenicity. The present review focuses on the bioanalytical challenges and considerations for RNA-based drugs, bispecific antibodies and multi-domain protein therapeutics, prodrugs, gene and cell therapies, and fusion proteins. Methods ranging from the conventional ligand binding assays and liquid chromatography-mass spectrometry assays to quantitative polymerase chain reaction or flow cytometry often used for oligonucleotides and cell and gene therapies are discussed. Best practices for method selection and validation are proposed as well as a future perspective to address the bioanalytical needs of complex modalities.
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Affiliation(s)
- Jing Shi
- Bioanalytical Services Department, WuXi AppTec, 288 Fute Zhong Road, Waigaoqiao, Shanghai, 200131, China.
| | - Xuesong Chen
- Bioanalytical Services Department, WuXi AppTec, 288 Fute Zhong Road, Waigaoqiao, Shanghai, 200131, China
| | - Jianbo Diao
- Bioanalytical Services Department, WuXi AppTec, 288 Fute Zhong Road, Waigaoqiao, Shanghai, 200131, China
| | - Liying Jiang
- Bioanalytical Services Department, WuXi AppTec, 288 Fute Zhong Road, Waigaoqiao, Shanghai, 200131, China
| | - Lan Li
- Bioanalytical Services Department, WuXi AppTec, 288 Fute Zhong Road, Waigaoqiao, Shanghai, 200131, China
| | - Stephen Li
- Bioanalytical Services Department, WuXi AppTec, 288 Fute Zhong Road, Waigaoqiao, Shanghai, 200131, China
| | - Wenzhong Liang
- Bioanalytical Services Department, WuXi AppTec, 288 Fute Zhong Road, Waigaoqiao, Shanghai, 200131, China
| | - Xiaoying Jin
- Bioanalytical Services Department, WuXi AppTec, 288 Fute Zhong Road, Waigaoqiao, Shanghai, 200131, China
| | - Yonghui Wang
- Bioanalytical Services Department, WuXi AppTec, 288 Fute Zhong Road, Waigaoqiao, Shanghai, 200131, China
| | - Colton Wong
- Bioanalytical Services Department, WuXi AppTec, 288 Fute Zhong Road, Waigaoqiao, Shanghai, 200131, China
| | - Xiaolong Tom Zhang
- Bioanalytical Services Department, WuXi AppTec, 288 Fute Zhong Road, Waigaoqiao, Shanghai, 200131, China
| | - Francis L S Tse
- Bioanalytical Services Department, WuXi AppTec, 288 Fute Zhong Road, Waigaoqiao, Shanghai, 200131, China
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