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Trials to assess the safety and efficacy of the AstraZeneca vaccine in children between the ages of 6 and 17 began in late February in the UK, trials that enrolled around 300 volunteers and are known to have this Tuesday, have been temporarily suspended while investigating the relationship between the vaccine and cases of rare blood clots detected in adults.
Professor Andrew Pollard of the University of Oxford explained to the BBC that there are no concerns regarding the trial, in line with what he noted in a statement from the University, in which he detailed that “although there are no security problems in In the pediatric clinical trial, we await further information from the MHRA (the UK Medicines and Health Products Regulatory Agency) on their review of rare cases of thrombosis / thrombocytopenia in adults, before administering more vaccines in the trial. ‘ The text goes on to say that “Parents and children must continue to attend all scheduled visits.”
This suspension comes after an official of the European Medicines Agency (EMA) recognized that there appears to be a link between the vaccine and blood clots. However, so far the European and British health agencies have declared that its benefits continue to outweigh the risks, which, as several experts comment, exist with the use of any drug.
British Prime Minister Boris Johnson came out on Tuesday in defense of the preparation, during a visit to an AstraZeneca plant in Macclesfield, Cheshire. “With regard to the Oxford-AstraZeneca vaccine, the best thing people can do is pay attention to what the MHRA says, our independent regulator … that’s why we have it, because it is independent,” said the premier, who a few days ago was injected with the first dose of this vaccine. The MHRA’s advice, Johnson continued, “is to get the first dose, and get the second dose.” «The best thing is to vaccinate our population, getting everyone to get their vaccine, this is key and that is what I advocate for in the first place, “he said.
The MHRA and EMA are investigating the link between the vaccine and a very rare type of cerebral blood clot, known as cerebral venous sinus thrombosis (CVST), which has occurred at the same time as thrombocypenia, that is, low levels of platelets in the blood, in several people after receiving the vaccine. According to the British regulator, There are 30 cases identified in the UK so far, including seven deaths, among the 18.1 million people who had received the AstraZeneca vaccine as of March 24.
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