The Current Status of COVID-19 Vaccines.

The Current Status of COVID-19 Vaccines.
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DOI:
10.3389/fgeed.2020.579297
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发表时间:
2020
影响因子:
--
通讯作者:
Lundstrom K
Lundstrom K
中科院分区:
其他
文献类型:
--
作者:
Lundstrom K

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当前的 COVID-19 大流行大大加速了对高效疫苗的需求。多种方法包括减毒活病毒和灭活病毒、蛋白质亚基和肽、基于病毒载体的递送、DNA 质粒和合成 mRNA。临床前研究表明,啮齿类动物和灵长类动物具有强大的免疫反应、降低的病毒载量以及抵御 SARS-CoV-2 挑战的能力。基于上述所有传递系统的候选疫苗已在健康志愿者中进行了临床试验。 I期临床试验初步结果表明其具有良好的安全性和耐受性。对少数个体的免疫反应进行的评估表明,与在 COVID-19 患者中检测到的免疫原性相比,中和抗体的水平相似或更高。基于腺病毒和基于 mRNA 的疫苗均已进入 II 期,并且 30,000 名参与者的 III 期试验的研究方案已最终确定。
The current COVID-19 pandemic has substantially accelerated the demands for efficient vaccines. A wide spectrum of approaches includes live attenuated and inactivated viruses, protein subunits and peptides, viral vector-based delivery, DNA plasmids, and synthetic mRNA. Preclinical studies have demonstrated robust immune responses, reduced viral loads and protection against challenges with SARS-CoV-2 in rodents and primates. Vaccine candidates based on all delivery systems mentioned above have been subjected to clinical trials in healthy volunteers. Phase I clinical trials have demonstrated in preliminary findings good safety and tolerability. Evaluation of immune responses in a small number of individuals has demonstrated similar or superior levels of neutralizing antibodies in comparison to immunogenicity detected in COVID-19 patients. Both adenovirus- and mRNA-based vaccines have entered phase II and study protocols for phase III trials with 30,000 participants have been finalized.
DOI: 10.1016/j.vaccine.2013.05.086
发表时间: 2013-08-12
期刊: VACCINE
影响因子: 5.5
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