A NEW study to see if the Moderna and Pfizer/BionTech jabs spark allergic reactions has started following “safety fears” around the AstraZeneca vaccine.
The National Institute for Health (NIH) in the US has started the study today and results are expected this summer.
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The news from the NIH comes after concerns around the AstraZeneca jabCredit: LNP
It comes after concerns were raised amid reports of blood clots in patients who have had the AstraZeneca vaccine.
There are three coronavirus vaccines currently being rolled out across the UK, the AztraZeneca jab, the Pfizer jab and today the Moderna jab finally arrived and is being administered to patients in Wales.
As with all medications, patients who have vaccines can also experience side effects – and the most common with vaccines is a sore or numb sensation in the arm where the jab was administered.
The NIH study will look specifically at people who have repeated episodes of the symptoms of anaphylaxis.
This could be patients who frequently experience hives, low blood pressure, difficulty breathing and swelling.
Anthony S. Fauci, M.D., director of the National Institute of Allergy and Infectious Diseases today said that data from the study will help doctors advise patients who have “highly allergic or have a mast cell disorder about the risks and benefits of receiving these two vaccine”.
He added: “However, for most people, the benefits of Covid-19 vaccination far outweigh the risks.”
As part of the study 3,400 adults ages 18 to 69 years will be enrolled at 35 centres across the US.
In order for the trial to work, 60 per cent of participants will need a history of severe allergic reactions or a diagnosis of a mast cell disorder.
The other 40 per cent will not need these requirments.
Mast cell disorder is a condition where those affected suffer with repeated episodes of some of the most common signs of an allergic reaction such as swelling and hived and in extreme cases, difficulty breathing.
Those participating will be given the Pfizer, Moderna or a placebo injection.
Participants will be observed for at least 90 minutes after each injection in case any type of reaction occurs and medics will be on hand to help in the event of an allergic reaction.
The Moderna jab has been being administered in the US for months and some patients claimed they had a sore arm after the jab.
This is a common side effect of vaccines but some people posted images online of large red circles where they had their jab up to 11 days after inoculation.
News of the study comes after it was today announced that trials on kids and teenagers would be paused until the regulators had learnt more about the possibility of blood clots.
The MHRA revealed on Friday that the UK has seen 30 blood clot cases in people who received the AstraZeneca jab.
Of those, 22 are the rare CVST kind of clot that caused concern in Europe, and eight were other thrombosis events.
That is out of 18.1million doses administered in the UK – making it extremely rare at around one in 600,000.
But despite scientists saying that the benefit of vaccination far out weighs the risks of blood clots, there are now fears that the use of the jab in younger people is “more complicated”.
This afternoon A review by the European Medicines Agency’s safety committee has concluded that “unusual blood clots with low blood platelets should be listed as very rare side effects” of the Oxford/AstraZeneca vaccine.