Modeling explains prolonged SARS-CoV-2 nasal shedding relative to lung shedding in remdesivir-treated rhesus macaques.
Modeling explains prolonged SARS-CoV-2 nasal shedding relative to lung shedding in remdesivir-treated rhesus macaques.
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模型解释了Remdesivir治疗的恒河猴中SARS-CoV-2鼻脱落相对于肺脱落的延长。
DOI:
10.1016/j.isci.2022.104448
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发表时间:
2022-06-17
期刊:
影响因子:
5.8
通讯作者:
Schiffer, Joshua T.
中科院分区:
文献类型:
--
作者:
Goyal, Ashish;Duke, Elizabeth R.;Cardozo-Ojeda, E. Fabian;Schiffer, Joshua T.
In clinical trials, remdesivir decreased recovery time in hospitalized patients with SARS- CoV-2 and prevented hospitalization when given early during infection, despite not reducing nasal viral loads. In rhesus macaques, early remdesivir prevented pneumonia and lowered lung viral loads, but viral loads increased in nasal passages after five days. We developed mathematical models to explain these results. Our model raises the following hypotheses: 1) in contrast to nasal passages, viral load monotonically decreases in lungs during therapy because of infection-dependent generation of refractory cells, 2) slight reduction in lung viral loads with an imperfect agent may result in a substantial decrease in lung damage, and 3) increases in nasal viral load may occur because of a blunting of peak viral load that decreases the intensity of the innate immune response. We demonstrate that a higher potency drug could lower viral loads in nasal passages and lungs. A math model captures viral load decrease in lungs during remdesivir treatment The model predicts moderate antiviral potency sufficient to limit lung damage Generation of refractory cells in lung may assist in limiting lung damage The model explains the surprising increase in nasal viral load during treatment Molecular modeling; Virology
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DOI:
10.3390/v9110350
发表时间:
2017-11-18
期刊:
Viruses
影响因子:
--
作者:
Goyal A;Ribeiro RM;Perelson AS
通讯作者:
Perelson AS
影响因子:
8
作者:
Hung LY;Sen D;Oniskey TK;Katzen J;Cohen NA;Vaughan AE;Nieves W;Urisman A;Beers MF;Krummel MF;Herbert DR
通讯作者:
Herbert DR
DOI:
10.1056/nejmoa2102685
发表时间:
2021-10-07
期刊:
The New England journal of medicine
影响因子:
--
作者:
Dougan M;Nirula A;Azizad M;Mocherla B;Gottlieb RL;Chen P;Hebert C;Perry R;Boscia J;Heller B;Morris J;Crystal C;Igbinadolor A;Huhn G;Cardona J;Shawa I;Kumar P;Adams AC;Van Naarden J;Custer KL;Durante M;Oakley G;Schade AE;Holzer TR;Ebert PJ;Higgs RE;Kallewaard NL;Sabo J;Patel DR;Dabora MC;Klekotka P;Shen L;Skovronsky DM;BLAZE-1 Investigators
通讯作者:
BLAZE-1 Investigators
影响因子:
13.6
作者:
Goyal A;Cardozo-Ojeda EF;Schiffer JT
通讯作者:
Schiffer JT
影响因子:
9.8
作者:
Kim KS;Ejima K;Iwanami S;Fujita Y;Ohashi H;Koizumi Y;Asai Y;Nakaoka S;Watashi K;Aihara K;Thompson RN;Ke R;Perelson AS;Iwami S
通讯作者:
Iwami S