The World Health Organization (WHO) has discouraged the use of blood plasma from people recovered from covid-19 for the treatment of convalescent patients with mild or moderate symptoms, because for now there is no evidence that this therapy improves the survival of patients with coronavirus.
It is believed that the antibodies present in this type of plasma could neutralize the SARS-CoV-2 virus, which causes covid-19, preventing its replication and stopping tissue damage. For this reason, in experimental treatments the plasma transfusion from a person who has recovered from the disease to patients who are battling it.
However, “current evidence shows that convalescent plasma does not improve survival or reduce the need for mechanical ventilation, and its administration is expensive,” the WHO concluded. The recommendation was made by an independent panel of experts from the agency that is responsible for issuing guidelines to the countries’ health systems.
“It has no benefit”
After analyzing the data from 16 studies that included a total of 16,236 patients with covid-19 who presented mild, severe and critical symptoms, the panel experts concluded that convalescent plasma “has no benefit” in the three groups of patients.
At the same time, the WHO stresses that the plasma of people who recovered from covid-19 must used only in clinical trials with patients who present serious and critical pictures of the disease.
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