期刊
CLINICAL PHARMACOLOGY & THERAPEUTICS
卷 112, 期 4, 页码 882-891出版社
WILEY
DOI: 10.1002/cpt.2686
关键词
-
资金
- Research Participation Program at CDER
This study proposes a mechanism-based, quantitative framework for translating nonclinical findings to clinical outcomes. It demonstrates the possibility of quantitatively predicting clinical outcomes based on nonclinical data and mechanistic understanding of the disease. The framework provides a modularized approach to aid in candidate drug selection and clinical trial design for COVID-19 therapeutics.
With the ongoing global pandemic of coronavirus disease 2019 (COVID-19), there is an urgent need to accelerate the traditional drug development process. Many studies identified potential COVID-19 therapies based on promising nonclinical data. However, the poor translatability from nonclinical to clinical settings has led to failures of many of these drug candidates in the clinical phase. In this study, we propose a mechanism -based, quantitative framework to translate nonclinical findings to clinical outcome. Adopting a modularized approach, this framework includes an in silico disease model for COVID-19 (virus infection and human immune responses) and a pharmacological component for COVID-19 therapies. The disease model was able to reproduce important longitudinal clinical data for patients with mild and severe COVID-19, including viral titer, key immunological cytokines, antibody responses, and time courses of lymphopenia. Using remdesivir as a proof-of-concept example of model development for the pharmacological component, we developed a pharmacological model that describes the conversion of intravenously administered remdesivir as a prodrug to its active metabolite nucleoside triphosphate through intracellular metabolism and connected it to the COVID-19 disease model. After being calibrated with the placebo arm data, our model was independently and quantitatively able to predict the primary endpoint (time to recovery) of the remdesivir clinical study, Adaptive Covid-19 Clinical Trial (ACTT). Our work demonstrates the possibility of quantitatively predicting clinical outcome based on nonclinical data and mechanistic understanding of the disease and provides a modularized framework to aid in candidate drug selection and clinical trial design for COVID--19 therapeutics.
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