重新利用药物作为协同效应的组合疗法,以抵制水病毒对Tecovirimat的耐药性
Haydar Witwit1, Beatrice Cubitt1, Roaa Khafaji1
1Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA.
Viruses
|January 25, 2025
概括
使用tecovirimat (TPOXX) 与mycophenolate mofetil (MMF) 或IMP-1088的联合治疗显示出治疗麻疹 (mpox) 和预防耐药性的前景. 这些针对宿主的抗病毒药物增强了TPOXX对mpox病毒 (MPXV) 的疗效.
科学领域:
- 病毒学 病毒学
- 传染性疾病 传染性疾病
- 药理学 药理学是指药理学的学科.
背景情况:
- 目前的mopox疫情涉及一种更具毒性的Clade I猿病毒 (MPXV),与2022年全球疫情的Clade II菌株不同.
- 美国食品和药物管理局批准的抗病毒药物Tecovirimat (TPOXX) 用于严重的mopox,但由于有效性有限和新出现的耐药性,它面临着挑战.
- 迫切需要替代疗法和组合疗法来对抗mopox,并防止耐药菌株的传播.
研究的目的:
- 为了评估TPOXX与mycophenolate mofetil (MMF) 或N-myristoyltransferase (NMT) 抑制剂IMP-1088.8的组合治疗的抗病毒疗效.
- 评估这些药物组合对mpox病毒 (MPXV) 的协同效应,使用疫苗病毒 (VACV) 作为替代品.
主要方法:
- 使用疫苗病毒 (VACV) 作为病毒 (MPXV) 研究的替代模型.
- 评估了mycophenolate mofetil (MMF) 和IMP-1088的抗病毒活性,无论是单独使用还是与tecovirimat (TPOXX) 结合使用.
- 确定剂量依赖的抗病毒作用和测试药物之间的协同相互作用.
主要成果:
- 无论是MMF还是IMP-1088,都显示出对VACV和mopox的显著剂量依赖的抗病毒活性.
- 与MMF或IMP-1088进行TPOXX联合治疗显示出强大的协同抗病毒效应.
- 这些发现表明,MMF和IMP-1088可以增强TPOXX对mpox的疗效.
结论:
- 结合疗法包括直接作用的抗病毒药物,如TPOXX和向宿主的药物,如MMF和IMP-1088,是治疗mopox的一种有希望的策略.
- 这种方法在防止TPOXX耐药MPXV变种的出现和传播方面可能是至关重要的.
- 对这些组合疗法的进一步研究可能会导致更有效的mopox治疗方案.
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