Related Experiment Video
Updated: Dec 1, 2025

Live Imaging and Quantification of Viral Infection in K18 hACE2 Transgenic Mice Using Reporter-Expressing Recombinant SARS-CoV-2
Published on: November 5, 2021
COVID-19 update: The race to therapeutic development
Julianne D Twomey1, Shen Luo1, Alexis Q Dean1
1Office of Biotechnology Products, Center for Drug Evaluation and Research, Food and Drug Administration, Silver Spring, MD 20993, United States.
This review explores COVID-19 treatments, focusing on repurposed drugs like remdesivir and dexamethasone, and novel biologics targeting viral entry. It also discusses drug resistance and clinical trial design for managing SARS-CoV-2 infection.
Area of Science:
- Virology
- Infectious Diseases
- Pharmacology
Background:
- The COVID-19 pandemic, caused by SARS-CoV-2, poses a significant global health challenge with millions of cases and deaths.
- Current COVID-19 management is primarily supportive, with ongoing research into various therapeutic interventions.
Purpose of the Study:
- To review recent advances in understanding SARS-CoV-2 pathobiology and identify potential therapeutic targets.
- To highlight current strategies for COVID-19 treatment, including drug repurposing and novel biological products.
Main Methods:
- Literature review of recent advances in SARS-CoV-2 pathobiology and therapeutic strategies.
- Analysis of drug repurposing (antivirals, immunomodulators) and novel biological products (neutralizing antibodies, soluble ACE2).
Main Results:
- Two main therapeutic strategies are discussed: repurposing existing drugs and developing novel biologics targeting viral entry.
- Novel approaches include neutralizing antibodies against the spike protein and recombinant soluble ACE2 protein.
Conclusions:
- Understanding SARS-CoV-2 pathobiology is crucial for developing effective treatments.
- Future research should address potential drug resistance mechanisms and optimize clinical trial designs for diverse COVID-19 manifestations.
More Related Videos
Related Concept Videos
Clinical Trials: Overview
Preclinical Development: Overview
Therapeutic Drug Monitoring: Overview and Classification
Microorganisms in Medicine and Therapeutics
Drug Administration and Therapy Phases: Overview
The pharmaceutical phase focuses on leveraging the physicochemical properties of the drug to design and manufacture an effective product. Variants include orally administered tablets or capsules, topical creams or ointments, and parenteral-delivery solutions or emulsions.
The pharmacokinetic phase...
Clinical Trials
There are four phases in a clinical trial. A phase one...

