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In which groups of COVID-19 patients is remdesivir effective?

Written By : Dr. Kamal Kant Kohli Published On 2023-02-23T11:00:58+05:30  |  Updated On 23 Feb 2023 2:35 PM IST
In which groups of COVID-19 patients is remdesivir effective?
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Researchers have been in look out for effective treatments for COVID-19 since it's outbreak.

Remdesivir was the first antiviral agent approved for treatment of COVID-19, first in the USA in 2020 and later in Europe. The medication was a beacon of hope early in the pandemic and remains in use today.Clinical studies evaluated its effectiveness, but did not generate conclusive results.

A new analysis of the study data shows that a specific group of patients benefits the most from the drug.The results have now appeared in the journal The Lancet Respiratory Medicine.

Multiple international studies since 2020 have investigated how treatment with remdesivir affects mortality in adults hospitalized with COVID-19. The results have been contradictory. It has remained disputed how well the medication works and whether it benefits some patient groups more than others.

Analysis of data from over 10,000 patients

A research team from the University of Basel and the University Hospital of Basel led by clinical epidemiologist Professor Matthias Briel has now collected and reanalyzed individual patient data from eight randomized clinical trials. The data covers over 10,000 unvaccinated patients from over 40 countries who were treated for COVID-19 in a hospital.

Using cutting-edge data analysis methods, the researchers investigated the benefit and potential side effects of the drug and its effects on sub-groups. The goal was to find out which patient groups, if any, benefited from remdesivir.

Beneficial with conventional oxygen therapy

The meta-analysis showed that patients who did not receive oxygen therapy or only received conventional oxygen support experienced a significant survival benefit due to remdesivir. In this group, remdesivir lowered mortality during the four-week observation period by roughly two percent, leading to 20 fewer deaths per 1,000 patients.

However, this positive effect was not observed in all patient groups. “The benefit to patients with intensive ventilation support remains unclear,” explains Dr. Alain Amstutz, first author of the study. This could also be due to the fact that little data is available about this group.

The results are consistent with the current WHO guidelines, which recommend remdesivir for patients with severe but non-critical COVID-19 infections.

There was no evidence that the drug's impact on patients varies depending on age, comorbidities, or various markers of high inflammation. Nor did treatment with remdesivir lead to earlier discharge from the hospital.

Few side effects

“Fortunately, we found that remdesivir does not lead to more serious unwanted side effects than standard treatment,” says Dr. Benjamin Speich, joint first author of the study. The effects of remdesivir on vaccinated people and people who have recovered from COVID-19 and the question of how cost-effective remdesivir is remain to be clarified in future studies.

Reference:

Alain Amstutz, Benjamin Speich, Prof France Mentré, Corina Silvia Rueegg, Drifa Belhadi, Lambert Assoumou, Charles Burdet, Srinivas Murthy, Lori Elizabeth Dodd, Yeming Wang, Prof Kari A O Tikkinen, Prof Florence Ader, Maya Hites, Maude Bouscambert, Mary Anne Trabaud, Mike Fralick, Todd C Lee, Ruxandra Pinto, Andreas Barratt-Due, Fridtjof Lund-Johansen, Prof Fredrik Müller, Olli P O Nevalainen, Prof Bin Cao, Published:February 21, 2023 DOI: https://doi.org/10.1016/S2213-2600(22)00528-8

The Lancet Respiratory MedicineremdesivirCOVID-19oxygen therapy
Source : The Lancet Respiratory Medicine
Dr. Kamal Kant Kohli
Dr. Kamal Kant Kohli

Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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