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Mao L, Shaabani N, Zhang X, Jin C, Xu W, Argent C, Kushnareva Y, Powers C, Stegman K, Liu J, Xie H, Xu C, Bao Y, Xu L, Zhang Y, Yang H, Qian S, Hu Y, Shao J, Zhang C, Li T, Li Y, Liu N, Lin Z, Wang S, Wang C, Shen W, Lin Y, Shu D, Zhu Z, Kotoi O, Kerwin L, Han Q, Chumakova L, Teijaro J, Royal M, Brunswick M, Allen R, Ji H, Lu H, Xu X. Olgotrelvir, a dual inhibitor of SARS-CoV-2 M pro and cathepsin L, as a standalone antiviral oral intervention candidate for COVID-19. Med 2024; 5:169-171. [PMID: 38340710 DOI: 10.1016/j.medj.2024.01.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
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Mao L, Shaabani N, Zhang X, Jin C, Xu W, Argent C, Kushnareva Y, Powers C, Stegman K, Liu J, Xie H, Xu C, Bao Y, Xu L, Zhang Y, Yang H, Qian S, Hu Y, Shao J, Zhang C, Li T, Li Y, Liu N, Lin Z, Wang S, Wang C, Shen W, Lin Y, Shu D, Zhu Z, Kotoi O, Kerwin L, Han Q, Chumakova L, Teijaro J, Royal M, Brunswick M, Allen R, Ji H, Lu H, Xu X. Olgotrelvir, a dual inhibitor of SARS-CoV-2 M pro and cathepsin L, as a standalone antiviral oral intervention candidate for COVID-19. Med 2024; 5:42-61.e23. [PMID: 38181791 DOI: 10.1016/j.medj.2023.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 08/18/2023] [Accepted: 12/03/2023] [Indexed: 01/07/2024]
Abstract
BACKGROUND Oral antiviral drugs with improved antiviral potency and safety are needed to address current challenges in clinical practice for treatment of COVID-19, including the risks of rebound, drug-drug interactions, and emerging resistance. METHODS Olgotrelvir (STI-1558) is designed as a next-generation antiviral targeting the SARS-CoV-2 main protease (Mpro), an essential enzyme for SARS-CoV-2 replication, and human cathepsin L (CTSL), a key enzyme for SARS-CoV-2 entry into host cells. FINDINGS Olgotrelvir is a highly bioavailable oral prodrug that is converted in plasma to its active form, AC1115. The dual mechanism of action of olgotrelvir and AC1115 was confirmed by enzyme activity inhibition assays and co-crystal structures of AC1115 with SARS-CoV-2 Mpro and human CTSL. AC1115 displayed antiviral activity by inhibiting replication of all tested SARS-CoV-2 variants in cell culture systems. Olgotrelvir also inhibited viral entry into cells using SARS-CoV-2 Spike-mediated pseudotypes by inhibition of host CTSL. In the K18-hACE2 transgenic mouse model of SARS-CoV-2-mediated disease, olgotrelvir significantly reduced the virus load in the lungs, prevented body weight loss, and reduced cytokine release and lung pathologies. Olgotrelvir demonstrated potent activity against the nirmatrelvir-resistant Mpro E166 mutants. Olgotrelvir showed enhanced oral bioavailability in animal models and in humans with significant plasma exposure without ritonavir. In phase I studies (ClinicalTrials.gov: NCT05364840 and NCT05523739), olgotrelvir demonstrated a favorable safety profile and antiviral activity. CONCLUSIONS Olgotrelvir is an oral inhibitor targeting Mpro and CTSL with high antiviral activity and plasma exposure and is a standalone treatment candidate for COVID-19. FUNDING Funded by Sorrento Therapeutics.
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Affiliation(s)
- Long Mao
- ACEA Therapeutics, Inc., San Diego, CA 92121, USA
| | | | - Xiaoying Zhang
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Can Jin
- ACEA Therapeutics, Inc., San Diego, CA 92121, USA
| | - Wanhong Xu
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | | | | | - Colin Powers
- Sorrento Therapeutics, Inc., San Diego, CA 92121, USA
| | - Karen Stegman
- Sorrento Therapeutics, Inc., San Diego, CA 92121, USA
| | - Jia Liu
- ACEA Therapeutics, Inc., San Diego, CA 92121, USA
| | - Hui Xie
- Sorrento Therapeutics, Inc., San Diego, CA 92121, USA
| | - Changxu Xu
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Yimei Bao
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Lijun Xu
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Yuren Zhang
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Haigang Yang
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Shengdian Qian
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Yong Hu
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Jianping Shao
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Can Zhang
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Tingting Li
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Yi Li
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Na Liu
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Zhenhao Lin
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Shanbo Wang
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Chao Wang
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Wei Shen
- ACEA Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, P.R. China
| | - Yuanlong Lin
- Shenzhen Third People's Hospital, SUSTech, Shenzhen, P.R. China
| | - Dan Shu
- Shenzhen Third People's Hospital, SUSTech, Shenzhen, P.R. China
| | - Zhenhong Zhu
- ACEA Therapeutics, Inc., San Diego, CA 92121, USA
| | - Olivia Kotoi
- ACEA Therapeutics, Inc., San Diego, CA 92121, USA
| | - Lisa Kerwin
- Sorrento Therapeutics, Inc., San Diego, CA 92121, USA
| | - Qing Han
- Structure Based Design, Inc., San Diego, CA 92121, USA
| | | | - John Teijaro
- Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Mike Royal
- Sorrento Therapeutics, Inc., San Diego, CA 92121, USA
| | | | - Robert Allen
- Sorrento Therapeutics, Inc., San Diego, CA 92121, USA
| | - Henry Ji
- Sorrento Therapeutics, Inc., San Diego, CA 92121, USA
| | - Hongzhou Lu
- Shenzhen Third People's Hospital, SUSTech, Shenzhen, P.R. China.
| | - Xiao Xu
- ACEA Therapeutics, Inc., San Diego, CA 92121, USA.
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