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Repurposing existing drugs for COVID-19 offers a more rapid alternative to a vaccine

Repurposing existing medicines focused on known drug targets is likely to offer a more rapid hope of tackling COVID-19 than developing and manufacturing a vaccine, argue an international team of scientists in the British Journal of Pharmacology today.

Since the emergence of the SARS-CoV-2 virus in late 2019, more than 3.5 million people are known to have been infected, leading to over 240,000 deaths worldwide from COVID-19, the disease caused by the novel coronavirus.

Development of an inactivated vaccine candidate for SARS-CoV-2

In mice, rats, and nonhuman primates, a newly developed SARS-CoV-2 virus vaccine candidate induced antibodies that neutralized several different SARS-CoV-2 strains. Critically, it did so without leading to a phenomenon known as antibody-dependent enhancement (ADE), which previous reports have raised as a concern.

Study reveals most critically ill patients with COVID-19 survive with standard treatment

Clinicians from two hospitals in Boston report that the majority of even the sickest patients with COVID-19 - those who require ventilators in intensive care units - get better when they receive existing guideline-supported treatment for respiratory failure. The clinicians, who are from Massachusetts General Hospital (MGH) and Beth Israel Deaconess Medical Center, published their findings in the American Journal of Respiratory and Critical Care Medicine.

Supercomputer simulations present potential active substances against coronavirus

Several drugs approved for treating hepatitis C viral infection were identified as potential candidates against COVID-19, a new disease caused by the SARS-CoV-2 coronavirus. This is the result of research based on extensive calculations using the MOGON II supercomputer at Johannes Gutenberg University Mainz (JGU). One of the most powerful computers in the world,

Recently recovered COVID-19 patients produce varying virus-specific antibodies

Most newly discharged patients who recently recovered from COVID-19 produce virus-specific antibodies and T cells, suggests a study published on May 3rd in the journal Immunity, but the responses of different patients are not all the same. While the 14 patients examined in the study showed wide-ranging immune responses, results from the 6 of them that were assessed at two weeks after discharge suggest that antibodies were maintained for at least that long.

Researchers identify four possible treatments for COVID-19

While COVID-19 has infected millions of people worldwide and killed hundreds of thousands, there is currently no vaccine. In response, researchers have been evaluating the effectiveness of various antiviral drugs as possible COVID-19 treatments.

Pharmacists warn against malarial drugs as a cure for coronavirus

Pharmacy experts at the University of Huddersfield are urging caution over claims that widely-available antimalarial drugs could be a "magic bullet" to prevent and cure COVID-19. And the medicines can - if used rashly - have serious side effects.

Although there have been some encouraging signs from small-scale preliminary trials of the drugs chloroquine (CQ) and hydroxychloroquine (HCQ) when administered to coronavirus patients, the results are preliminary and should be treated with care, argue Dr Syed Shahzad Hasan and Dr Hamid Merchant.

Research & Development News

Repurposing existing drugs for COVID-19 offers a more rapid alternative to a vaccine

Development of an inactivated vaccine candidate for SARS-CoV-2

Study reveals most critically ill patients with COVID-19 survive with standard treatment

Supercomputer simulations present potential active substances against coronavirus

Recently recovered COVID-19 patients produce varying virus-specific antibodies

Researchers identify four possible treatments for COVID-19

Pharmacists warn against malarial drugs as a cure for coronavirus

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